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Alias: Sulphanilic Acid; Sulfanilic Acid; Aniline-4-Sulfonic Acid; 4-Aminobenzenesulfonic Acid; p-Aminobenzenesulfonic Acid.
CAS No.:121-57-3
Purity: ≥99%
Lead Time: 14-30 days
Annual Capacity:10000 MT
Appearance: White to off-white powder
Our products have passed SGS for their low contents of heavy metals and carcinogens. Free Aniline lower than 100ppm which makes the end product low subsidiary dyes and fewer impurities. Snow white appearance with actual assay 99.5% by GC.
Items | Specification |
Appearance | White to off white powder |
Assay% | 99.0% min |
Aniline% | 0.01% max |
Insoluble% | 0.03% max |
Moisture% | 0.30% max |
1. Sulfanilic Acid acid is used to manufacture dyes, azo dyes, dyeing aids and so on.
2. Sulphanilic Acid acid is also used as a pesticide in the manufacture of the control of wheat rust.
3. P-aminobenzenesulfonic acid is also used as an intermediate in the manufacture of flavors, food pigments, medicine, whitening agents, pesticides, and so on.
4. P-aminobenzene sulfonic acid was also used as the chromatogram, benchmark reagent, experimental reagent and chromatograph reagent. Sulfanilic acid assay the standards for elemental analysis of ammonia, cerium, aluminum, magnesium, potassium, sodium, iodine, iodide, carbon, hydrogen, nitrogen, oxygen, and sulfur are identical to 1-naphthylamine for the determination of nitrite, osmium and ruthenium for examination, potassium for indirect determination by potassium nitrite, serum bilirubin for determination, and soil analysis.
Keywords: High-quality Chinese Factory Supply Organic Intermediate Sulfanilic Acid / Sulphanilic Acid CAS 121-57-3; Factory Best Selling Best Price 4-Aminobenzenesulfonic Acid / p-Aminobenzenesulfonic Acid; 99% Purity Aniline-4-Sulfonic Acid with Competitive Price.
Melting point | >300 °C(lit.) |
Density | 1.485 |
Refractive index | 1.5500 (estimate) |
Storage temp. | Store in dark! |
Solubility | 10g/l |
Pka | 3.24(at 25℃) |
Form | Solid |
PH | 2.5(10g/l, H2O, 20℃) |
Water Solubility | 0.1 g/100 mL (20 ºC) |
Merck | 148,926 |
BRN | 908765 |
Stability | Stable. Incompatible with strong oxidizing agents. |
InChIKey | HVBSAKJJOYLTQU-UHFFFAOYSA-N |
FDA 21 CFR | 176.18 |
CAS DataBase Reference | 121-57-3(CAS DataBase Reference) |
FDA UNII | 434Z8C2635 |
NIST Chemistry Reference | Benzenesulfonic acid, 4-amino-(121-57-3) |
EPA Substance Registry System | Sulfanilic acid (121-57-3) |
Packing: 25 KG / Woven Bag
Chemball (Hangzhou) Chemicals Co., Ltd. is a chemical trading company under Chemball.com. With high-quality service, professional competence and honest management, we help Chinese excellent chemical manufacturers export their products to countries around the world. Meanwhile, we strictly supervise the manufacturer's product quality and production progress, deal with problems encountered in the transaction process for buyers, so that they can safely achieve the stability of supply chain. Relying on the strength to actively explore domestic and foreign markets, we enjoy a high reputation in the chemical industry. Therefore, the products can be exported to India, Southeast Asian countries, Europe, USA and other regions. In the new era of digitalization, relying on China's high-quality products, we will have greater development in the future.
Our cooperative factory has gradually grown into the world's largest Sulfanilic Acid Factory since 2007, with stable quality, high whiteness, less displaced aniline, and exports to many countries. Our company mainly produces refined Sulfanilic Acid and sodium p-aminobenzene sulfonate, and our products are exported to Europe, America, Southeast Asia and other countries. Since its establishment more than ten years, the company has been unremitting in production management, product quality and product research and development. In 2005, it passed the IS09001 international quality management system, which laid a solid foundation for the sustainable development of the company.
TT, LC, OA, and DA, all the payments are optional, with the support of Chemball.
Of course! We specialized in this line for many years, many customers make a deal with me because we can deliver the goods on time and keep the goods top quality!
You are always warmly welcome to visit us at any time. Before we start B2B, Chemball has audited our company and approved our credit. Commitment is the No.1 Point of our Enterprise’s Value.
It has been produced since 2000. And capacity is 10000 MT annually.
We understand most customers prefer stock, so we will try to keep stock for most products. However, there is no stock available for some of them, and it needs some time to synthesize.
Yes, VQ and allied tech. package is available for serious clients. The audit could be accepted for clients having the business for more than 1 year.
Contact us by Chemball page, email, mobile phone, any way you like! We will try our best to respond ASAP!
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