High-Purity Intermediates. Reliably Supplied.
Every product in our portfolio is manufactured to exact specification, with full traceability and consistent batch quality.
Para Nitro Toluene Ortho Sulphonic Acid
Chemical Name : o-Toluenesulfonicacid, 5-nitro- (6CI,7CI,8CI);
4-Nitro-2-toluenesulfonic acid;
5-Nitro-2-methylbenzenesulfonic acid;
5-Nitro-o-toluenesulfonic acid;
p-Nitrotoluene-o-sulfonic acid.
2-Methyl-5-nitrobenzenesulfonic acid.
CAS : : 121-03-9
Empirical Formula : C7H7O5NS Molecular Weight : 217.2 gm/mol
| Form Supplied | Dry Powder |
| Physical Appearance | White Crystal |
| Sales Basis | 100% Basis |
| Used for Production of | Intermediates for Direct Yellow 11 and Direct Orange 15. |
| Purity by Nitrite Value (%) | 83% Min |
| Insoluble (%) | 0.05% Max |
| Acidity (%) | Less than 1% |
| Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
| Storage | Protect from fire and high temperature. |
PNCBOSA – Para Nitro Chloro Benzene Ortho Sulphonic Acid
Chemical Name : 2-Chloro-5-Nitro Benzene Sulfonic Acid
CAS : : 946-30-5 96-73-1
Empirical Formula : C6H4NO5SCL
Molecular Weight : 237.5 gm/mol
| Form Supplied | Moist Powder |
| Physical Appearance | Light Brown to Pinkish Brown |
| Sales Basis | 100% Basis |
| Used for Production of | Dyes Intermediates – 4ADAPSA, 4NADPSA, FC Acid, Xylidine OAPSAMIDE, Blue HEGN Base, Azoic Diazo Component 35 CI 37255, Acid Brown 103 CI 10415 |
| Purity by Nitrite Value (%) | 70.00 Min |
| Salt Content (NaCl) (%) | 3.00 Max |
| Acidity as H2SO4(%) | 2.00 Max |
| Moisture Content (%) | 25.00 Max |
| Insoluble (%) | 0.50 Max |
| HPLC Purity (%) | 98.00 Min |
| 4-Nitro Chlorobenzene (%) | 0.20 Max |
| ONCBPSA (%) | 0.10 Max |
| Sulfone (%) | 0.50 Max |
| Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
| Storage | Protect from fire and high temperature. |
ONCBPSA
Chemical Name : Ortho Nitro Chloro Para Sulphonic Acid,
4-Chloro-3-Nitrobenzene Sulfonic Acid
CAS : : 17691-19-9
Empirical Formula : C6H3NO5SCL
Molecular Weight : 237.5 gm/mol
| Form Supplied | Moist Powder |
| Physical Appearance | White to Off White |
| Sales Basis | 100% Basis |
| Used for Production of | Dyes Intermediate Pigment Intermediate Solvent Green 13 |
| Purity by Nitrite Value (%) | 65.00 Min |
| Salt Content (NaCl) (%) | 3.00 Max |
| Acidity as H2SO4(%) | 5.00 Max |
| Insoluble (%) | 0.50 Max |
| HPLC Purity (%) | 98.00 Min |
| ONCB (%) | 0.50 Max |
| PNCBOSA (%) | 0.10 Max |
| Sulfone (%) | 0.50 Max |
| Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
| Storage | Protect from fire and high temperature. |
Aniline 2,5 Disulphonic Acid
Chemical Name : Sodium 2-amino-5-sulfobenzenesulfonate,
Monosodium Salt of Aniline 2,5-Disulphonic Acid
CAS : : 24605-36-5
Empirical Formula : C6H6NNaO6S2
Molecular Weight : 275.23 gm/mol
| Form Supplied | Powder |
| Physical Appearance | White to light yellow crystalline powder |
| Sales Basis | 100% Basis |
| Used for Production of | Reactive Dyes: Specifically for the synthesis of Reactive Golden Yellow and Reactive Orange series. Acid Dyes: Used in high-performance dyes for nylon and silk. Optical Brighteners: Acts as a precursor for the fluorescent whitening agents used in the detergent and paper industries. |
| Purity by Nitrite Value (%) | 98.00 Min |
| Insoluble (%) | 0.1% Maximum |
| Solubility (%) | Very soluble in water; insoluble in most organic solvents |
| pH (1% solution) | 5.0 – 7.0 |
| Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
| Storage | Store in a cool, dry, and well-ventilated area. Keep containers tightly closed to prevent moisture absorption (hygroscopic nature). |
SULPHO J – ACID
Chemical Name : 2-Amino-5-naphthol- 1-7-disulphonic acid.
CAS : : 6535-70-2
Empirical Formula : C10H9NO7S2
Molecular Weight : 319 gm/mol
| Form Supplied | Moist / Dry |
| Physical Appearance | Grey To Yellowish Brown Material |
| Sales Basis | 100% Basis |
| Used for Production of | Intermediate For Dyestuffs |
| Grey To Yellowish Brown Moist Material | |
| Strength (Coupling Value) | 45% Min. |
| J-Acid | 5.0% Max. On 100% Basis |
| Grey To Yellowish Brown Dry material | |
| Purity By N.V | 62 Min. |
| Sulpho J % By HPLC (254 nm) | 98 Min. |
| J.Acid % By HPLC | 0.5 Max. |
| Other % By HPLC | 1.00 Max. |
| InSolubles At pH 7.0 | 0.5 Max. |
| Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear & M.S. Drums With Liners |
| Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
SULPHO OAVS
Chemical Name : Sulpho ortho anisidine vinyl sulphone,
5-sulphonyl 1-amino 2-methoxylphenyl beta hydroxy ethyl.
CAS : : 121-88-0
Empirical Formula : C9H13NO10S3
Molecular Weight : 391 gm/mol
| Form Supplied | Moist / Dry |
| Physical Appearance | Greyish moist cake |
| Sales Basis | 100% Basis |
| Used for Production of | Reactive Blue 220 Reactive Red 108 Reactive Red 111 |
| Nitrite Value | 50% Min. |
| Purity by HPLC | 92% Min. |
| Insoluble | 0.5 % maximum |
| Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
| Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
Sulfo Para Vinyl Sulphone (Sulfo VS)
Chemical Name : ANILINE-4-BETA-ETHYLE SULFONYL SULFATE-2-SULFONIC ACID BENEZENE SULFONIC ACID-2-AMINO-S-2- SULFOXYETHYL SULFON SULFO PARA BASE ESTER
CAS : : 42986-22-1
Empirical Formula : C8H11NO9S3
Molecular Weight : 361.37 gm/mol
Form Supplied | Moist cake |
Physical Appearance | Light brown color moist cake (Off Grey) |
Sales Basis | 100% Basis |
Used for Production of | Reactive Black 5, Reactive Orange 16, and Reactive Blue 194. |
Purity by Nitrite Value | 65% Min. |
SPVS Purity by HPLC (254 nm) | 92% Min. |
V.S % By HPLC | 2 % maximum |
Di Sulpho % By HPLC | 2 % maximum |
InSolubles At pH 7.0 | 0.5 % maximum |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
Para Cresidine Ortho Sulphonic Acid
Chemical Name : 4-Amino-5-methoxy-2-methylSbenzenesulfonic acid
CAS : : 6471-78-9
Empirical Formula : C8H13NO4S
Molecular Weight : 217 gm/mol
|
Form Supplied |
Moist |
|
Physical Appearance |
Light brown colour moist cake |
|
Sales Basis |
100% Basis |
|
Used for Production of |
High-purity dyes, including Acid Red 40 (FD&C Red 40), Pigment Red 56, and Pigment Red 185 |
|
Purity by Nitrite Value |
80 % (MIN) |
|
Purity by HPLC |
99.0% (MIN) |
|
Pc Content |
0.2 % maximum |
|
Solution Clarity |
Clear in Di-Alkali Solution |
|
Insolubles |
0.1 % maximum |
|
Packing |
25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
|
Storage |
Store in a cool, dry place in tightly sealed, light-resistant containers. |
Para Amino Benzoic Acid (PABA)
Chemical Name : 4 Amino Benzoic Acid, P-Aminobenzoic acid.
CAS : : 150-13-0
Empirical Formula : C7H7NO2
Molecular Weight : 137.14 gm/mol
| Form Supplied | Dry powder |
| Physical Appearance | Off-white solid |
| Sales Basis | 100% Basis |
| Used for Production of | Intermediate for dyes and pigments, specifically Azo dyes |
| Purity by HPLC | 99.5% (MIN) |
| Ignition residuals | 0.3 % maximum |
| Loss on drying | 0.5 % maximum |
| Melting point℃ | 186-189℃ |
| Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear.
|
| Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
Para Nitro Benzoic Acid PNBA
Chemical Name : Benzoicacid, p-nitro- (8CI),
4-Nitrobenzoic acid,
Nitrodracylic acid,
p-Carboxynitrobenzene,
p-Nitrobenzenecarboxylic acid
CAS : : 62-23-7
Empirical Formula : C7H5NO4
Molecular Weight : 137.14 gm/mol
Form Supplied | Dry powder |
Physical Appearance | Off-white to light yellow crystalline powder |
Sales Basis | 100% Basis |
Used for Production of | Intermediates for azo dyes, which are widely used in textile dyeing, paints, and inks |
Purity by HPLC | 99.00% (MIN) |
Melting Range | 238-242℃ |
Moisture Content | 0.30 % maximum |
Ash Content | 0.10 % maximum |
Iron (Fe) | 10 maximum ppm |
Chloride (Cl) | 50 maximum ppm |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear.
|
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
Para Nitro Aniline Ortho Sulphonic Acid (PNAOSA)
Chemical Name : 2-Amino-5-nitrobenzenesulfonic acid sodium salt;4-Nitroaniline-2-sulfonic acidsodium salt;
CAS : : 30693-53-9
Empirical Formula : C6H5N2O5S.Na
Molecular Weight : 239.98 gm/mol
Form Supplied | Dry powder |
Physical Appearance | Off-white to light yellow crystalline powder |
Sales Basis | 100% Basis |
Used for Production of | Acid Yellow 42 Acid Yellow 44 Acid Orange 51 Acid Brown 2 Direct Yellow 28 Direct Yellow 42 Direct Orange 34 Direct Brown 95 |
Purity by HPLC | 98.00% (MIN) |
Melting Range | 150-152℃ |
Moisture Content | 12-15 % |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
ONAPSA
Chemical Name : 2-Nitro Aniline-4-Sulfonic Acid
3-Nitro-4-Amino Benzene Sulfonic Acid
CAS : : 82324-60-5
Empirical Formula : C6H6N2O5S
Molecular Weight : 218 gm/mol
Form Supplied | Dry Powder | ||
Physical Appearance | Yellow to Reddish Yellow | ||
Sales Basis | 100% Basis | ||
Used for Production of | Pigment Yellow 61 Pigment Yellow 61:1 Pigment Yellow 62:1 Pigment Yellow 62 | Pigment Yellow 133 Pigment Yellow 168 Pigment Yellow 169 Acid Orange 23 | |
Purity by Nitrite Value (%) | 88.00 Min | ||
Salt Content (NaCl) (%) | 3.00 Max | ||
Moisture Content (%) | 1.00 Max | ||
Insoluble (%) | 0.20 Max | ||
HPLC Purity (%) | 98.00 Min | ||
4-Nitroaniline-2-Sulfonic Acid (%) | 0.10 Max | ||
Un-sulfonated Amine (%) | 0.30 Max | ||
4-Chloro-3-Nitrobenzene Sulfonic Acid (%) | 0.20 Max | ||
Di-(3-Nitro-4-Aminophenyl)-Sulphone (%) | 0.20 Max | ||
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. | ||
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. | ||
PPDDSA- Para Phenylenediamine 2,5 Disulfonic Acid
Chemical Name : 2,5-Diamino Benzene-1,4-Disulfonic Acid
CAS : : 7139-89-1
Empirical Formula : C6H8O6N2S2
Molecular Weight : 268.27 gm/mol
Form Supplied | Dry Powder |
Physical Appearance | Grey to Light Grey |
Sales Basis | 100% Basis |
Used for Production of | Reactive Blue 160 (HERD) |
Purity by Nitrite Value (%) | 90.00 Min |
Insoluble (%) | 0.30 Max |
HPLC Purity (%) | 97.50 Min |
1,4-Phenylenediamine (%) | 0.50 Max |
PPDSA (%) | 1.50 Max |
| |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear.
|
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
Para Chloro Benezene Sulfonic Acid
Chemical Name : 4-Chloro Benzene Sulfonic Acid
CAS : : 98-66-8
Empirical Formula : C6H5O3SCL
Molecular Weight : 192.62 gm/mol
Form Supplied | Powder |
Physical Appearance | White crystalline powder |
Sales Basis | 100% BASES |
Used for Production of | Acid Yellow 17, Acid Yellow 40, Acid Orange 76, Acid Red 1 Direct Yellow 11, Direct Yellow 12, Direct Orange 39 Reactive Yellow 86, Reactive Blue 168, Pigment Yellow 183, Pigment Red 53:1 |
Purity (HPLC) (%) | 98.00 Min |
Free Acidity (H2SO4)(%) | 1.00 Max |
Moisture Content | 1.00 Max |
Melting Point | 102°C (Anhydrous) |
Water Solubility | Clear solution |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
PA2SA – Para Anisidine 2 Sulfonic Acid
Chemical Name : 1-Methoxy-4-AminoBenzene-2-Sulfonic Acid
CAS : : 6470-17-3
Empirical Formula : C7H9NO4S
Molecular Weight : 203 gm/mol
Form Supplied | Moist Powder |
Physical Appearance | Pinkish White to Pinkish Violet |
Sales Basis | 100% Basis |
Used for Production of | Mordant Yellow 51 Direct Orange 41 Direct Red 76 Direct Yellow 167 Reactive Blue P3R:1 |
Purity by Nitrite Value (%) | 90.00 Min |
Insoluble (%) | 0.20 Max |
HPLC Purity (%) | 99.00 Min |
4-Anisidine (%) | 0.50 Max |
Unknown (%) | 0.20 Max |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
PTDSA – Para Toluidine 2,5 Disulfonic Acid
Chemical Name : 4-methylaniline-2,5-disulphonic acid
CAS : : 26585-57-9
Empirical Formula : C7H9NO6S2
Molecular Weight : 267 gm/mol
|
Form Supplied |
Moist Powder |
|
Physical Appearance |
Light Brown to Greenish Brown |
|
Sales Basis |
100% Basis |
|
Used for Production of |
Textile Dyes |
|
Purity by Nitrite Value (%) |
60.00 Min |
|
Insoluble (%) |
0.20 Max |
|
HPLC Purity (%) |
97.00 Min |
|
PTSA (%) |
0.50 Max |
|
PT2.6DSA (%) |
1.50 Max |
|
Packing |
25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
|
Storage |
Store in a cool, dry place in tightly sealed, light-resistant containers. |
Ortho Anisidine-4-Sulfonic Acid
Chemical Name : Ortho Anisidine-5-Sulfonic Acid (NH2=1)
2-Amino Anisole-4-Sulfonic Acid
2-Methoxy Aniline-5-Sulfonic Acid
CAS : : 98-42-0
Empirical Formula : C7H9NO4S
Molecular Weight : 203 gm/mol
Form Supplied | Moist Powder |
Physical Appearance | White to Pinkish White |
Sales Basis | 100% Basis |
Used for Production of | Acid Brown 83 Acid Brown 86 Direct Red 83 Direct Red 89 Direct Red 220 |
Purity by Nitrite Value (%) | 90.00 Min |
Insoluble (%) | 0.20 Max |
HPLC Purity (%) | 99.00 Min |
OA (%) | 0.50 Max |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
(2B acid) 2-Chloro-4-aminotoluene-5-sulfonic acid
Chemical Name : m-Toluenesulfonicacid,
6-amino-4-chloro- (7CI,8CI);
1-Amino-3-chloro-4-methylbenzene-6-sulfonicacid; 1-Amino-4-methyl-5-chlorobenzene-2-sulfonic acid;
2-Amino-4-chloro-5-methyl-1-benzenesulfonic acid; 2-Chloro-p-toluidine-5-sulfonic acid;
6-Amino-4-chloro-m-toluenesulfonic acid;
Brilliant Toning Red Amine
CAS : : 88-51-7
Empirical Formula : C7H8CINO3S
Molecular Weight : 221.5 gm/mol
Form Supplied | Moist Powder |
Physical Appearance | Light Gray Powder |
Sales Basis | 100% Basis |
Used for Production of | Intermediate for Dyes, Pigments |
Moisture | 1.0 % Max |
Purity (By NV) | 97 % Min |
2 Chloro 4 Toluidine | 0.5 % Max |
Insoluble in Dilute Na2CO3 | 0.5 % Max |
Solubility In Dilute NaOH | Clear Solution |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
Armstrong’s Acid
Chemical Name : 1, 5- Naphthalene Disulfonic Acid
CAS : : 81-04-9
Empirical Formula : C10H8O6S2
Molecular Weight : 288 gm/mol
Form Supplied | Moist Powder |
Physical Appearance | Off White to Pinkish White |
Sales Basis | 100% Basis |
Used for Production of | Colorants Pharmaceuticals |
Purity (%) | 85.00 Min |
Insoluble (%) | 0.20 Max |
Free Acidity as H2SO4 (%) | 10.00 Max |
HPLC Purity (%) | 98.00 Min |
Naphtalene (%) | 0.50 Max |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. |
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. |
4B Acid (PT3SA)
Chemical Name : 4-AminoToluene-3-Sulfonic Acid
CAS : : 88-44-8
Empirical Formula : C7H9NO3S
Molecular Weight : 187.22 gm/mol
Form Supplied | Dry Powder | |
Physical Appearance | Cream to Off White | |
Sales Basis | 100% Basis | |
Used for Production of | Reactive Red 45 | Pigment Red 57 |
| Reactive Red 88 | Pigment Red 57:1 |
| Reactive Red 189 | Pigment Red 57:2 |
| Reactive Red 252 | Pigment Red 57:3 |
| Reactive Red 256 | Pigment Red 70 |
| Acid Blue 81:1 | Direct Violet 40 |
| Acid Blue 145 | Direct Violet 41 |
Purity by Nitrite Value (%) | 98.00 Min | |
Insoluble (%) | 0.20 Max | |
HPLC Purity (%) | 99.00 Min | |
PT (ppm) | 500 Max | |
Other Impurities (%) | 0.50 Max | |
Packing | 25 Kgs / 50 Kgs /500 Kgs HDPE Bags with inner Linear. | |
Storage | Store in a cool, dry place in tightly sealed, light-resistant containers. | |
