| DYESTUFF INTERMEDIATES |
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| Anthranilic Acid |
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Molecular Weight: 137.15
Empirical formula: C7 H7NO2
CAS No.: [118-92-3]
Assay: 99.00% by N.V.
Solubility: 0.35/100@14oC(Water)
10.7/100@10oC(Alcohol 90%)
Appearance:Yellowish Cream/Beige
Colour Powder |
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| 4-Sulpho Anthranilic Acid |
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Molecular Weight: 217.00
Empirical formula: C7 H7SO5N
CAS No.: [98-43-1]
Assay: 75.00% Min. Dry Powder
Solubility: In Alkline Water
Insolubility: 0.30% Min.
Appearance: Light Brownish Colour Powder |
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| 5- Sulpho Anthranilic Acid |
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Molecular Weight: 217.00
Empirical formula: C7 H7NSO3
CAS No.: [3577-63-7]
Assay: 85.00% Min. by N.V.
Solubility: 0.20% Max.
Appearance: Buff to Cream Colour Material |
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| 2,5 Dimethoxy aniline(DMA) |
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Molecular Weight: 153.00
Empirical formula: C8H11NO2
CAS No.: [102-56-7]
Assay: 98.00% by N.V.
Solubility: 0.40% Max.
Appearance: Mustard Yellow to Grey
Granular Powder when freshly Prepared.
Tendency to change colour to Dark Grey
on long Storage due to its air oxidation |
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| De-Hydro thioparatoluidine Sulphonic Acid |
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Molecular Weight: 320.33
Empirical formula: C14 H12N2O3S2
CAS No.: [130-17-6]
Assay: 85.00% Min. by N.V.
Insolubility: 0.50% Max.
Moisture: 0.50% Max.
Appearance: Yellow to Brownish Powder |
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| Chloranil ( Nil Dioxine) |
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Molecular Weight: 246.00
Empirical formula: C6CI4O2
CAS No.: [118-75-2]
Assay: 99.00% Min. (HPLC)
Solubility: 0.50% Max.
Appearance: Golden Yellow Crystalline Powder |
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| 2,5 Diethoxy aniline(DEA) |
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Molecular Weight: 181.00
Empirical formula: C10H15NO2
CAS No.: [94-85-9]
Assay: 98.00% Min. by N.V.
99.50% by G.L.C.
Insolubility: 0.4% Max.(20% Acetic Acid)
Appearance: Light Cream/Greenish
Yellow Crystals |
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| Meta Phenylene Diamine 4-Sulfonic Acid (MPDSA), Free Acid |
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Molecular Weight:188.00
Empirical formula: C6 H8N2SO3
CAS No.: [88-63-1]
Assay: 99.00% Min. by N.V.
Insolubility: 0.10% Max.
Iron Content: 40 ppm Max.
Appearance: Light Grey Granular Powder |
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| Scheffer's Acid ( 2-Napthol-6-Sulphonic Acid ) |
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Molecular Weight: 224.00
Empirical formula: C10 H8SO4
CAS No.: [93-01-6]
Assay: 65.00% Min. by C.V.
Insolubility: 0.20% Max.
R. Solt: 0.50% Max.
Appearance: Off-white to Light
Grey Pink
Coloured Wet Cake |
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| Bronner's Acid ( 2 Naphthylamine-6-Sulphonic Acid ) |
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Molecular Weight: 223.00
Empirical formula: C10 H9NSO3
CAS No.: [93-00-5]
Assay: 90.00% Min. by C.V.
Insolubility: 0.20% Max.
Appearance: White to Creamish Powder |
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| DASA (4'4 Diamino Benzo Sulphanilide) |
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Molecular Weight:263.00
Empirical formula: C12 H13N3SO2
CAS No.: [16803-97-07]
Assay: 93.00% Min. by N.V.
Insolubility: 0.40% Max. |
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| 4- Sulpho Formazone (MC Base for R.Blue 221) |
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Molecular Weight: 639.995
Empirical formula: C20 H12CuN5Na2O9S2
CAS No.: [xyz]
Assay: 65.00% Min. by N.V.
Nominal Mass: 639 Da
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| Para Phenylene Diamine-2-Sulphonic Acid (PPD2SA) |
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Molecular Weight: 188.00
Empirical formula: C6 H8O3SN2
CAS No.: [88-45-9]
Assay: 80.00% Min.
Insolubility: 0.20% Max.
Solubility: In Water
Appearance: Light Pinkish Powder |
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| Para Anisidine 2 Sulphonic Acid |
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Molecular Weight: 203.00
Empirical formula: C7 H9NSO4
CAS No.: [6470-17-3]
Assay: 90.00% Min.
Insolubility: 0.20% Max.
Solubility: In Water
Appearance: Pink White Dry Powder |
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| Para Amino Acetanilide 3 Sulphonic Acid |
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Molecular Weight: 230.00
Empirical formula: C8 H10O4SN2
CAS No.: [96-78-6]
Assay: 80.00% Min.
Insolubility: 0.20% Max.
Solubility: In Water
Appearance: Light Pinkish Dry Powder |
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| Para Amino Azobenzene-4-Sulphonic Acid |
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Molecular Weight: 277.00
Empirical formula: C12 H11N3O3S
CAS No.: [104-23-4]
Assay: 90.00% Min.
Insolubility: 0.30% Max.
Solubility:In Water
Appearance: Orange Colour Dry Powder |
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| Para Amino Azobenzene-3,4' Disulphonic Acid |
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Molecular Weight: 357.00
Empirical formula: C12H11N3O6S2
CAS No.: [xyz]
Assay: 65.00% Min.
Insolubility: 0.20% Max.
Solubility: In Water
Appearance: Violet Colour Crystalline Wet Cake |
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| Meta Ureido Aniline |
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Molecular Weight: 151.17
Empirical formula: C7 H9N3O
CAS No.: [059690-88-9]
Assay: 65.00% Min.
Di Ureido content: 3.0% Max.
Appearance: Off-white to Light Colour Material |
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| 4:4' Dinitro Stilbene 2:2' Disulphonic Acid ( Free Acid ) |
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Molecular Weight: 430.00
Empirical formula: C14 H10O10N2S2
CAS No.: [128-42-7]
Assay: 70.00% Min.
Insolubility: 0.15% Max.
Dibenzal: 1.00% Max.
Appearance: Light Yellowish Crystalline Material |
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| 6-Acetylamine 2-Aminophenol 4-Sulphonic Acid (6- Acetyl OAPSA) |
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Molecular Weight: 246.00
Empirical formula: C8 H10N2O5S
CAS No.: [xyz]
Assay: 90.00% Min.
Insolubility: 0.30% Max.
Solubility: Soluble in Alkaline Solution
Appearance: Light Pink Colour |
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| Sodium Phenate (Sodium Phenoxide) |
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Molecular Weight:116.10
Empirical formula: C6 H5ONa
CAS No.: [130-2-6]
Assay: 90.00%+- 2%
Solubility: Highly Soluble in Water & Alcohol
Appearance: White or Yellowish Pink Powder |
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| 4:4' Diamino Diphenyl -2:2' Disulphonic Acid (BDSA) |
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Molecular Weight:344.00
Empirical formula: C12 H12S2O6N2
CAS No.: [117-61-3]
Assay: 72.00% Min. by N.V.
Insolubility: 0.2% Max.
Solubility: Soluble in Soda Ash & Caustic Solution
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| Para Amino Phenyl Azo Salicylic Acid (PAA Base) |
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Molecular Weight: 280.00
Empirical formula: C13H11N3O3Na
CAS No.: [6470-98-0]
Assay: 80.00% Min.
Insolubility: 0.20% Max.
PNA: 0.50% Max.
Appearance: Yellow Colour Powder |
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| 3 Methoxy 4-Amino-Azo-Benzene Meta-Sulphonic Acid (MAA/PG Base) |
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Molecular Weight: 307.00
Empirical formula: C13H13N3SO4
CAS No.: [xyz]
Assay: 80.00% Min.
Insolubility: 0.20% Max.
Appearance: Orange Red Colour Powder |
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