Benzene Chemicals

4-(4-Bromo Phenyl) Morpholine

Approx Price: Rs 10,000 / Kilogram 

4-(4-Bromo Phenyl) Morpholine offered finds use for research needs.

 

Features:

 

  • Known by chemical names of 4-(4-Bromophenyl)morpholine; 30483-75-1; N-(4-Bromophenyl)morpholine; Morpholine, 4-(4-bromophenyl) and others
  • Having Molecular Formula of C10H12BrNO

 

Specifications:

 

  • Having Molecular Weight of 242.11238 g/mol
  • Coming with Hydrogen Bond Donor Count of 0
  • Having Hydrogen Bond Acceptor Count of 2
  • Featuring Rotatable Bond Count of 1
  • Having Exact Mass of 241.010226 g/mol and Monoisotopic Mass of 241.010226 g/mol

Additional Information:
  • Item Code: 30483-75-1

4-(4-Formyl Phenoxy) Benzaldehyde

Approx Price: Rs 10,000 / Kilogram 

4-(4-Formyl Phenoxy) Benzaldehyde offered finds use as important precusors in synthesis of macrocyclic or/and macrobicyclic compounds.

 

Features:

 

  • Known by chemical names of 4-(4-Formylphenoxy)benzaldehyde; 4,4'-Oxydibenzaldehyde; Bis(4-formylphenyl) ether
  • Having Molecular Formula of C14H10O3

 

Specifications:

 

  • Coming with Molecular Weight of 226.2274 g/mol
  • Having Hydrogen Bond Donor Count of 0
  • Featuring Hydrogen Bond Acceptor Count of 3
  • Having Rotatable Bond Count of 4
  • Having Exact Mass of 226.062994 g/mol and Monoisotopic Mass of 226.062994 g/mol

4-(Piperidin-1-YL) Benzoic Acid

Approx Price: Rs 150 / Kilogram 
Physical State Powder, Liquid, Crystals

Product Description:

Catalog No.:I04-0514
Synonym:4-(Piperidin-1-YL) Benzoic Acid; 2-[1-[(2-Methylpropan-2-yl)oxycarbonyl]-4-piperidyl]acetic acid; 4-Carboxymethyl-piperidine-1-carboxylic acid tert-butyl ester
Cas#:157688-46-5

Additional Information:
  • Item Code: 22090-24-0

1-(4-(P-Tolyloxy) Phenyl) Ethanone

Approx Price: Rs 10,000 / Piece 
Formulated using best ingredients by our expert professionals, these chemicals find their extensive usage in biotechnology, blood testing and other applications.

Additional Information:
  • Item Code: 2597-56-0

3-OXO-3-M-Tolylpropanenitrile V67-36-2

Approx Price: Rs 10,000 / Kilogram 
Formulated using best ingredients by our expert professionals, these chemicals find their extensive usage in biotechnology, blood testing and other applications.

4-(4-Chlorophenoxy) Phenol

Approx Price: Rs 10,000 / Kilogram 

4-(4-Chlorophenoxy) Phenol offered perfectly support reducing high humidity.

 

Features:

 

  • Stops occurrence of condensation in designated areas/enclosed storage areas
  • By controlling humidity it reduces spoilage, mould, mildew

 

Specifications:

 

  • Provides for non leakage/spillage usage
  • Provides for better security and protection for goods and assets
  • Made from non-toxic natural material, the product is also environmentally safe
  • Best choice of industry chemicals compounds and intermediaries
  • Absorbers are ideal for bulk loaded goods
  • Special design that allows for container to be tilted at 45 degrees angle
  • Ensures dry atmosphere in container when other types of desiccants would be blocked by cargo
  • Even at low humidity levels it has ability to effectively protect cargo throughout entire voyage

1-(Chloroacetyl) Pyrrolidine

Approx Price: Rs 10,000 / Kilogram 

1-(Chloroacetyl) Pyrrolidine offered perfectly support reducing high humidity.

 

Features:

 

  • Stops occurrence of condensation in designated areas/enclosed storage areas
  • By controlling humidity it reduces spoilage, mould, mildew

 

Specifications:

 

  • Provides for non leakage/spillage usage
  • Provides for better security and protection for goods and assets
  • Made from non-toxic natural material, the product is also environmentally safe
  • Best choice of industry chemicals compounds and intermediaries
  • Absorbers are ideal for bulk loaded goods
  • Special design that allows for container to be tilted at 45 degrees angle
  • Ensures dry atmosphere in container when other types of desiccants would be blocked by cargo
  • Even at low humidity levels it has ability to effectively protect cargo throughout entire voyage

4- Chloro Nitro Benzene

Approx Price: Rs 85 / Kilogram 

4- Chloro Nitro Benzene offered finds use as common intermediate in production of number of industrially useful compounds.

 

Features:

 

  • Known by chemical names of 4-Chloronitrobenzene; P-Chloronitrobenzene; P-Nitrochlorobenzene
  • Having Chemical Formula of C6H4ClNO2

 

Specifications:

 

  • Having CAS No. 100-00-5
  • Coming with Molecular Weight of 157.5
  • Product has appearance of light yellow to yellow flakes
  • Set Point of 82.2 °C Min. (Flakes) & 81.0 °C (Liquid)
  • Available packaging of 250 kg Steel Drum / 18 MT FCL
  • Purity by GC of 99.50% Min.
  • Density of 1.520 g / cm3
  • Melting point of 83°C
  • Hydrogen Bond Donor Count of 0 & Acceptor Count of 2
  • Exact Mass of 156.993056 g/mol and Monoisotopic Mass of 156.993056 g/mol

4 - Nitro Aniline (Para Nitro Aniline)

Approx Price: Rs 85 / Kilogram 

4 - Nitro Aniline (Para Nitro Aniline) offered is used as an intermediate in the synthesis of dyes.

 

Features:

  • Available in form of yellow solid with mild odor
  • Known by chemical names of 4-NITROANILINE; P-Nitroaniline; P-Aminonitrobenzene

 

Specifications:

  • Coming with Chemical Formula of C6H4OCH3NH2
  • Having CAS No of 100-01-6
  • Having Molecular Weight of 138.13
  • Featuring Melting Point of 147 oC to 149 oC
  • Having Moisture of 05% MAX (DRY) / 8% TO 10% MAX (W/C)
  • Available in packaging of BAGS-50 KGS / DRUMS-50 KGS, 60 KGS, 100 KGS, 150 KGS
  • Purity by GC of 99.50% Min
  • Hydrogen Bond Donor Count of 1 Acceptor Count of 3
  • Exact Mass Monoisotopic Mass of 138.042927 g/mol

4 - Methoxy Aniline (Para Anisidine)

Approx Price: Rs 25 / Gram 

4 - Methoxy Aniline (Para Anisidine) is widely used as solvents for various organic reactions.

 

Features:

  • Known by chemical names of 4-Methoxyaniline; P-Anisidine; 4-Methoxybenzenamine
  • Coming with chemical formula of C6H4OCH3NH2

 

Specifications:

  • Having CAS No of 104-94-9
  • Having Molecular Weight of 123 and appearance of light brown to brown lumps
  • Having Set Point of 57oC to 58oC
  • Purity by GC of 99.50% Min.
  • Having Hydrogen Bond Donor Count of 1 & Hydrogen Bond Acceptor Count of 2
  • Having Exact Mass of 123.068414 g/mol & Monoisotopic Mass of 123.068414 g/mol

Para Phenylene Diamine (PPDA)

Approx Price: Rs 350 / Kilogram 

Para Phenylene Diamine (PPDA) offered is an organic compound used in hair dyes.

 

Features:

 

  • Also finding use as developing agent in C-41 color photographic film
  • Known by Chemical Names of P-Phenylenediamine; Benzene-1,4-diamine; 1,4-BENZENEDIAMINE

 

Specifications:

 

  • Coming with Chemical Formula of C6H3N2 and CAS No of 106-50-31
  • Having Molecular Weight of 108
  • Having appearance of white to purple colour dry powder form
  • Having Melting Point of 147oC and Flash Point of 155oC
  • Its a standardized chemical allergen
  • Used as dye intermediate and as dye
  • Hydrogen Bond Donor Count Acceptor Count of 2
  • Exact Mass Monoisotopic Mass of 108.068748 g/mol

2 - Nitro 4 - Methoxy Aniline

Approx Price: Rs 25 / Gram 

2 - Nitro 4 - Methoxy Aniline offered is used as a photometric reagent for the determination of ethinylestradiol (ETE).

 

Features:

 

  • Known by Chemical Names of 4-Methoxy-2-nitroaniline; 4-Amino-3-nitroanisole; 2-Nitro-4-methoxyaniline
  • Coming with Chemical Formula of C6H3NO2OCH3NH2

 

Specifications:


  • Having CAS No of 96-96-8 and Molecular Weight of 168.15
  • Having appearance of bright orange red powder form
  • Having Melting Point of 123oC to 125oC
  • Coming with Purity of 98.50%
  • Having Hydrogen Bond Donor Count of 1
  • Coming with Hydrogen Bond Acceptor Count of 4
  • Exact Mass Monoisotopic Mass of 168.053492 g/mol

2,6 Dichloro 4-Nitro Aniline

Approx Price: Rs 150 / Kilogram 

2,6 Dichloro 4-Nitro Aniline finds usage for meeting research needs.

Features:

  • Known by the Chemical Names of 2,6-DICHLORO-4-NITROANILINE; Dichloran; Dicloran
  • Coming with Chemical Formula of C6H2(Cl)2NO2NH2

Specifications:

  • Having CAS No of 99-30-9 and Molecular Weight of 207.02
  • Having appearance of yellow powder
  • Having Melting Point of 190oC to 192oC
  • Having Moisture of 0.5 % Max.
  • Having Purity by GC of 98.0 % Min.
  • Coming with Hydrogen Bond Donor Count of 1 Hydrogen Bond Acceptor Count of 3
  • Having Exact Mass Monoisotopic Mass of 205.964983 g/mol

Para Nitro Phenol

Approx Price: Rs 1,000 / Kilogram 

Chemical Name

Para Nitro Phenol (100-0-7)

 

Chemical Formula

C6H5O3N

CAS No.

100-0-7

Molecular Weight

139

Appearance

Pale Yellow or Light Brown colour crystals

Melting Point

Between 111 oC and 115 oC

Solubility

Soluble in boiling water and Chloro form

Moisture

Not more than 5 %

 

Para Amino Phenol

Approx Price: Rs 1,000 / Kilogram 

Chemical Name

Para Amino Phenol (123-30-8)

 

Chemical Formula

C6H5NO3

CAS No.

123-30-8

Molecular Weight

109

Appearance

Off-White to Buff coloured amorphous powder having characteristic odourdeteriorates under the influence of air, light and moisture

Melting Point

189 oC to 190 oC with decomposition

 

Para Amino Phenol

Approx Price: Rs 1,000 / Kilogram 

Chemical Name

Para Amino Phenol (123-30-8)

 

Chemical Formula

C6H5NO3

CAS No.

123-30-8

Molecular Weight

109

Appearance

Off-White to Buff coloured amorphous powder having characteristic odourdeteriorates under the influence of air, light and moisture

Melting Point

189 oC to 190 oC with decomposition

 

3,5 Di Cloro Nitro Benzene

Approx Price: Rs 70 / Kilogram 
3,5 Di Cloro Nitro Benzene

Cas No.: 618-62-2

3,5 Di Cloro Aniline

Approx Price: Rs 150 / Kilogram 

Chemical Name

3,5 Di Cloro Aniline

 

Appearance

Off White

Melting Point

53 TO 54*C

Purity By GC

99.5% MIN.

 

4 - Nitro 1 - Chloro Benzene 2 - Sulphonic Acid (Para Nitro)

Approx Price: Rs 50 / Kilogram 

Chemical Name

4 - Nitro 1 - Chloro Benzene 2 - Sulphonic Acid (Para Nitro Chloro Benzene Ortho Sulphonic Acid)

 

Chemical Formula

C6H3NO2ClSO3H ( Na Salt )

CAS No.

17691-19-9

Molecular Weight

237.5

Appearance

Brownish

Free Acidity

5.0 % Max.

Purity by DIAZO

60.0 % Min.

 

Ortho Nitro Chloro Benzne (ONCB)

Approx Price: Rs 10 / Kilogram 

Chemical Name

2- Chloro Nitro Benzene (Ortho Nitro Chloro Benzene) (88-73-3)

 

Chemical Formula

C6H4NO2CL

CAS No.

88-73-3

Molecular Weight

157.5

Appearance

LIGHT YELLOW LIQUID

Set Point

31.7°C MIN

Moisture

1000 PPM MAX.

Purity by GC

99.65 % Min.

 

2:4 Dinitro Chloro Benzene (DNCB)

Approx Price: Rs 10 / Kilogram 

Chemical Name

2,4 Dinitro Chloro Benzene (97-00-7)

 

Chemical Formula

C6H3(NO2)2Cl

CAS No.

97-00-7

Molecular Weight

202.5

Appearance

Pale Yellow to Reddish

pH

6.5 to 8.0

Set Point

48.5 oC to 49.5 oC

Moisture

0.2 % Max.

Typical impurity

Insolubles: 0.2 % Max.

Purity by GC

99.0 % Min.

 

Para Dichloro Benzene (PDCB)

Approx Price: Rs 100 / Kilogram 

Paradichloro Benzene

Paradichlorobenzene is a free flowing white colored flake having molecular formula C6H4Cl2.

Specification

Characteristics

Specification

Formula

C6H4CI2

Molecular Weight

147.01

Physical Appearance

Free Flowing, White Flake

Assay by GLC

99.80% Minimum

Crystallization Point

52.7° C

Moisture

0.05% Maximum

ODCB

0.2% Maximum

Packing

25 Kg HDPE/Multi layer paper bags with double LDPE liner

Applications

In Toiletry deodorant, Agro Chemicals, Engineering Plastic, Pigment & Pharma intermediates.

 

 

 

 

Ortho Dichloro Benzene (ODCB)

Approx Price: Rs 10 / Kilogram 

Chemical Name

1,2 Dichloro Benzene (Ortho Dichloro Benzene) (95-50-1)

 

Chemical Formula

C6H4Cl2

CAS No.

95-50-1

Molecular Weight

147

Appearance

Colourless liquid

Purity by GC

99.75 % Min.

 

2 Hydroxy Quinoline

Approx Price: Rs 150 / Kilogram 

Chemical Name

2 Hydroxy Quinoline

 

Chemical Formula

C8H6N2O

Molecular Weight

146

Physical appearance

Off white to light brown powder

Purity (by pot.)

98.50% Minimum

Moisture content

0.50% Max.

Melting point

269 to 2710c

Ash content

0.20 % Max.

Chloride content

0.50 % Max.

 

2:4 Nitro Amino Diphenylamine Sulphonic Acid

Approx Price: Rs 50 / Kilogram 

Chemical Name

2:4 Di Nitro Chloro Benzene Sulphonic Acid (4515-26-8)

 

Chemical Formula

chem. form

CAS No.

4515-26-8

Molecular Weight

282.5

Appearance

Wet cake

 

Ortho Anisidine Para Sulphonic Acid

Approx Price: Rs 50 / Kilogram 
Minimum Order Quantity: 50 Kilogram

Ortho Anisidine Para Sulphonic Acid (6472-58-8)

Product Details

Chemical Name

Ortho Anisidine Para Sulphonic Acid (6472-58-8)

 

Chemical Formula

C7 H9 O4 NS

CAS No.

6472-58-8

Molecular Weight

203

Appearance

White colour crystalline material

Solubility

Soluble in Water

Typical impurity

Insolubility :Less than 1 % W/W

 

Ortho Amino Phenol Para Sulphonic Acid

Approx Price: Rs 50 / Kilogram 

Ortho Amino Phenol Para Sulphonic Acid

Product Details

 

Chemical Name

Ortho Amino Phenol Para Sulphonic Acid (98-37-3)

 

Chemical Formula

C6H7NO4S

CAS No.

98-37-3

Molecular Weight

189

Appearance

Black powder

Product List

ONCB

End Use

Dyestuff Intermediates

 

 

6- Nitro 2- Amino Phenol 4- Sulphonic Acid

Approx Price: Rs 50 / Kilogram 

6- Nitro 2- Amino Phenol 4- Sulphonic Acid 

Product Details 

Chemical Name

6- Nitro 2- Amino Phenol 4- Sulphonic Acid (96-93-5)

 

Chemical Formula

C6H6O6N2S

CAS No.

96-93-5

Molecular Weight

234

Appearance

Light Brown coloured material

Solubility

Soluble in Dilute Alkaline solution

Typical impurity

Insoluble:0.2 % Max.

Product List

ONCB

End Use

Dyestuff Intermediates

 


Nitro Benzene (98-95-3)

Approx Price: Rs 85 / Kilogram 
Nitro Benzene

Specification

Appearance

colourless to pale yellow oily liquid

Acidity

 

Odour

of volatile oil almond

Melting Point

+6 C

Purity

min. 99.80%

Flash Point

89 C

Relative Density

1.197 to 1.200

Auto Ignition Temp

 

Specific Gravity

1.205

Crystallizing Point

5.5

Solubility in H20

y

Vapour Pressure

 

Water Miscibility

 

Distillation Range(Initial BP)

 

Moisture

0.05% max

Distillation Range(Dry BP)

 

Meta Di Chloro Banzene

Approx Price: Rs 10 / Kilogram 

Meta Di Chloro Banzene

Product Detail

Chemical Name

Meta Di Chloro Banzene

 

Chemical Formula

C6H4Cl2

CAS No.

541-73-1

Molecular Weight

147

Appearance

Colourless clear to slight Yellowish liquid

Melting Point

-24.76 oC

Moisture

0.5 % Max.

Typical impurity

PDCB : 0.18%,ODCB : 0.03%,Otherimpurities : 0.13%

Purity by GC

99 % Min.

Product List

Nitro Benzene & Derivatives

End Use

Agro Chemical Intermediates
Speciality Chemicals

 

















2,4 Di Chloro Nitro Benzene

Approx Price: Rs 70 / Kilogram 

2,4-Dichloronitrobenzene

Cas No. : 611-06-3

Formula : C6H3Cl2NO2

Apperance : Yellow Crystals

Mp : 29-32°C(lit.)

Bp : 258°C(lit.)

Density : 1.479

Fp : >230°F

Water Solubility : 188 mg/L (20°C)

 

1,3 - Dinitro Benzene (Meta Di Nitro Benzene)

Approx Price: Rs 70 / Kilogram 

1,3 - Dinitro Benzene

  • CAS Number: 99-65-0
  • Formula: C6H4N2O4
  • Formula Weight: 168.11 g/mol
  • Appearance (Color) : Yellow to Orange to Tan
  • Appearance (Form) : Solid
  • Purity (GC) : > 96.5 %
  • Water (by Karl Fischer) : < 10

Methoxy Methyl-Triphenyl Phosphonium Chloride

Approx Price: Rs 10,000 / Pack 
We are the leading supplier of Methoxy Methyl-Triphenyl Phosphonium Chloride.

Specification:

Cas No.4009-98-7
Empirical FormulaC20H20ClOP
Molecular Formula(C6H5)3P(Cl)CH2OCH3
Molecular Weight342.8
AppearanceWhite Crystalline Powder
Assay (By Titration)NLT 98 %
MoistureNMT 0.1 %
Chloride ContentNLT 10%

Mono-Methyl 5-Nitro-Isophthalate

Approx Price: Rs 10,000 / Pack 
We are the leading supplier of Mono-Methyl 5-Nitro-Isophthalate.

Specifications:


Mono-Methyl 5-Nitro-Isophthalate
A unique non interpenetrated 2D bilayer cobalt (II) - organic framework, [{ Co (dpe) (NO2-BDC)}·0.5(dpe)] N·NH2O (1), possessing nanoscale rectangular channels that clathrate large organic molecules, has been hydrothermally synthesized by reaction of cobalt (II) salt with 5-nitro-1, 3- benzenedicarboxylic acid (NO2-H2BDC) and 1, 2-bis(4-pyridyl)ethylene.

Sodium Methyl Paraben I.P.

Approx Price: Rs 10,000 / Pack 
We are the leading suppliers of Sodium Methyl Paraben I.P.

Specifications:

1DescriptionWhite, crystalline powder, odourless or almost odourless; hygroscopic.
2SolubilityFreely soluble in water, sparingly soluble in ethanol (95%); practically insoluble in fixed oils.
3IdentificationA. Dissolve 0.5 gm in 5 ml of water and acidify to litmus paper with hydrochloric acid; a white precipitate is produced. Wash the precipitate with water and dry. The infrared absorption spectrum of the precipitate, appendix 5.4 is concordant with the reference spectrum of Methyl Paraben or with the spectrum obtained from Methyl Paraben RS. \B. The precipitate obtained in test A on ignition gives the reactions of sodium salts, appendix 3.1
4PHBetween 9.5 to 10.5, determined in a 0.1% w/v solution, appendix 8.11
5Appearance of solutionA 10% solution in water is clear, or not more opalescence than Opalescence standard OS1 prepared by 5.0 ml of Opalescence standard & 95 ml of water .
6ChlorideNot more than 330 ppm
7SulphateNot more than 0.12 %
8WaterNot more than 5.0 %

Methyl Paraben BP

Approx Price: Rs 10,000 / Number 
We are the leading supplier of Methyl Paraben BP.

Specifications:

1AppearanceA white, Crystalline powder.
2SolubilityVery slightly soluble in water, freely soluble in alcohol and in Methanol.
2IdentificationFirst identification: A, B.Second identification: A, C, D.A. Melts between 125°C and 128°C.B. The infrared absorption spectrum is concordant with the reference spectrum of methyl paraben or with the spectrum obtained from methyl paraben CRS.C. Examine the chromatograms obtained in the test for related substances. The principle spot in the chromatogram obtained with test solution (b) is similar in position and size to the principle spot in the chromatogram obtained with reference solution (b).D. To about 10 mg in a test tube add 1 ml of sodium carbonate solution R, boil for 30 seconds and cool (solution A). To a further 10 mg in a test tube add 1 ml of sodium carbonate solution R, the substance partly dissolves (solution B). Add at the same time to each of solutions A and B 5 ml of aminopyrazolone solution and 1 ml of potassium ferricyanide solution R and mix. Solution B is yellow to orange brown. Solution A is orange to Red, the colour is clearly more intense than any similar colour that may be obtained with solution B
3Appearance of solutionDissolve 1.0 gm in alcohol R and dilute to 10 ml with the same solvent is clear and not more intensely coloured than reference solution prepared by mixing 1.5 ml ferric chloride colorimetric solution, 0.8 ml cobaltous chloride colorimetric solution, 0.2 ml cupric sulphate colorimetric solution and 97.5 ml of 1% w/v HCl solution.
4AcidityTo 2 ml of the Solution S and 3 ml of Alcohol R, 5 ml of carbon dioxide-free water R and 0.1 ml of bromocresol green solution R. Not more than 0.1 ml of 0.1M sodium hydroxide is required to change the colour of the indicator to blue.
5Related substances· Any impurity: Any spot in the chromatogram obtained with Test Solution (a) apart from the principal spot is not more intense than the spot in the chromatogram obtained with reference solution (a) (0.5 %).· System suitability: The test is not valid unless the chromatogram obtained with reference solution (c) shows two clearly separated principal spots.
6Sulphated ashNot more than 0.1%
7Assay, w/w98.0 - 102.0 %

Methyl Paraben N.F

Approx Price: Rs 10,000 / Number 
We are the leading supplier of Methyl Paraben N.F.

Specifications:


1DescriptionWhite crystalline powder or colorless crystals.
2SolubilitySlightly soluble in water, freely soluble in alcohol and in methanol
3IdentificationA. Infrared absorption <197M>.B. Melting Range <741>:between 125°C and 128°C
4Color of solutionThe solution is clear and not more intensely colored than matching fluid G.
5AcidityNot more than 0.1 ml is required to produce a blue color.
6Residue on IgnitionNot more than 0.1%.
7Related SubstancesThe intensity of any individual secondary spot in the chromatogram of the test solution is not greater than that of the principal spot obtained in the chromatogram of standard solution A (0.5 %)
9Organic volatile ImpuritiesMethod IV <467>. Meets the requirements.
10Assay, w/wNot less than 98.0% and not more than 102.0% of C8H8O3

Sodium Methyl Paraben E.P.

Approx Price: Rs 10,000 / Number 
We are the leading supplier of Sodium Methyl Paraben E.P.

Specifications:

1CharactersA white, crystalline powder, freely soluble in water, sparingly soluble in alcohol, practically insoluble in methylene chloride.
2IdentificationFirst identification A, B, ESecond identification A, C, D, E
A. Dissolve 0.5 g in 50 ml of water R. Immediately adds 5ml of hydrochloric acid R1. Filter and wash the precipitate with water R. Dry under vacuum at 80oC for 2 hours. The precipitate obtained melts (2.2.14) at 125°C to 128°C.
B. Examine the precipitate obtained in identification test A by infrared absorption spectrophotometry (2.2.24) comparing with the spectrum obtained with methyl parahydroxy benzoate CRS.
C. Examine the chromatograms obtained in the test for related substances. The principal spot in the chromatogram obtained with test solution (b) is similar in position and size to the principal spot in the chromatogram obtained with reference solution (c).
D. To about 10 mg in a test-tube add 1 ml of sodium carbonate solution R, boil for 30s and cool. Add 5 ml of aminopyrazolone solution R and 1 ml of potassium ferricyanide solution R and mix. An orange to red colour develops.
E. To 1 ml of Solution S (see Tests) add 1 ml of water R. The solution gives reaction (a) of sodium (2.3.1)
3Appearance of solutionDissolve 5 gm in carbon-dioxide free water R prepared from distilled water R and dilute to 50 ml examine immediately after preparation is clear (2.2.1) and not more intensely coloured than reference solution BY6 (2.2.2, Method I).
4pHBetween 9.5 to 10.5 (1 gm in 1000 ml carbon-dioxide free water)
5Related substancesImpurity A: any spot due to impurity A is not more intense than the spot in the Chromatogram obtained with reference solution (a) (4 %)
Any other impurity: Any spot, apart from the principal spot and due to 4-hydroxy benzoic acid is not more intense than the spot in the chromatogram obtained with reference solution (b) (0.5 %)
System suitability: The test is not valid unless the chromatogram obtained with reference solution (d) showstwoclearlyseparated principal spots.
6ChloridesNot more than 350 ppm.
7SulphateNot more than 300 ppm.
8Heavy MetalsNot more than 10 ppm.
9WaterNot more than 5.0%.
10AssayNot less than 99.0% to not more than 102.0% of sodium 4(methoxycabonyl)Phenolate, calculated with reference to the anhydrous substance.
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