Sulphanilic acid, GR 99%+

Name: Sulphanilic acid, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-010979

About Sulphanilic acid, GR 99%+

Vaqora Chemicals supplies Sulphanilic acid (AR grade), an organosulfur compound registered under CAS number 121-57-3 with a typical assay of ≥99%. Formula C6H7NO3S, molecular weight 173.19 g/mol. The IUPAC name is 4-aminobenzenesulfonic acid. Common synonyms include Aniline-4-sulfonic acid and p-Aminobenzenesulfonic acid.

The product is provided as a powder. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 g, 500 g, 5 kg and 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sulphanilic acid, GR 99%+
Catalogue No.	VQ-010979
CAS Number	121-57-3
IUPAC name	4-aminobenzenesulfonic acid
Molecular formula	C₆H₇NO₃S
Molecular weight	173.19 g/mol
Exact mass	173.0147
Grade	AR
Purity / assay	≥99%
HSN code	29214234
InChIKey	HVBSAKJJOYLTQU-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1N)S(=O)(=O)O
PubChem CID	8479

Physical properties
Physical form	Powder
Appearance	Powder
LogP (XLogP3)	-0.6
H-bond donors / acceptors	2 / 4
TPSA	88.8 Å²
Synonyms	Aniline-4-sulfonic acid, p-Aminobenzenesulfonic acid, Aniline-p-sulfonic acid, Aniline-p-sulphonic acid, p-Aminophenylsulfonic acid, p-Anilinesulfonic acid, Kyselina sulfanilova, p-sulfoaniline, 4-Sulfoaniline, 4-Sulfanilic acid, 1-aminobenzene-4-sulfonic acid, 4-aminophenylsulfonic acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation

Precautionary statements: P261, P264, P264 + P265, P272, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 121-57-3

Synthesis

Sulphanilic acid, 99%

CAS: 121-57-3
Formula: C₆H₇NO₃S
MW: 173.19 g/mol

VQ-010978

Frequently asked questions

What is the CAS number of Sulphanilic acid, GR 99%+?

The CAS Registry Number of Sulphanilic acid, GR 99%+ is 121-57-3. It is also known as Aniline-4-sulfonic acid, p-Aminobenzenesulfonic acid, Aniline-p-sulfonic acid.

What is the molecular formula and molecular weight of Sulphanilic acid, GR 99%+?

Sulphanilic acid, GR 99%+ has the molecular formula C6H7NO3S and a molecular weight of 173.19 g/mol. Its IUPAC name is 4-aminobenzenesulfonic acid.

Which grade and pack sizes of Sulphanilic acid, GR 99%+ can I order?

We supply Sulphanilic acid, GR 99%+ in AR (≥99%) grade, in 100 g, 500 g, 5 kg, 25 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sulphanilic acid, GR 99%+?

Yes. Every lot of Sulphanilic acid, GR 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sulphanilic acid, GR 99%+ be shipped internationally?

Yes. Sulphanilic acid, GR 99%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.