2,4-Diaminobenzenesulphonic acid, 98%

About 2,4-Diaminobenzenesulphonic acid, 98%

2,4-Diaminobenzenesulphonic acid is an organosulfur compound in Synthesis grade carrying the CAS registry number 88-63-1, specified at 98% purity. With the molecular formula C6H8N2O3S, it has a molar mass of 188.21 g/mol. Systematically, it is named 2,4-diaminobenzenesulfonic acid. It is also known as 2,4-Diamino benzenesulfonic acid or 1,3-Phenylenediamine-4-sulfonic acid.

In its supplied form it is a brown crytsalline powder. Key physical data: a melting point of 260-266 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 50 g, 100 g, 500 g and 1 kg packs, 2,4-Diaminobenzenesulphonic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,4-Diaminobenzenesulphonic acid, 98%
Catalogue No.	VQ-010755
CAS Number	88-63-1
IUPAC name	2,4-diaminobenzenesulfonic acid
Molecular formula	C₆H₈N₂O₃S
Molecular weight	188.21 g/mol
Exact mass	188.0256
Grade	Synthesis
Purity / assay	98%
HSN code	2921
InChIKey	JVMSQRAXNZPDHF-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1N)N)S(=O)(=O)O
PubChem CID	66623

Physical properties
Physical form	Powder
Appearance	Brown crytsalline powder
Melting point	260-266 °C
LogP (XLogP3)	-1
H-bond donors / acceptors	3 / 5
TPSA	115 Å²
Synonyms	2,4-Diamino benzenesulfonic acid, 1,3-Phenylenediamine-4-sulfonic acid, o-Aminosulfanilic acid, Benzenesulfonic acid, 2,4-diamino-, 1,3-Diaminobenzene-4-sulfonic acid, m-Phenylenediamine-4-sulfonic acid, 1,3-Diaminobenzene-6-sulfonic acid, 1,3-phenylenediamine-4-sulfo acid, 2,4-diaminobenzene-1-sulfonic acid, 2,4-Diaminobenzenesulphonic acid, 2,4-Diaminobenzenesulfonicacid, m-Phenylenediaminesulfonic 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

Frequently asked questions

What is the CAS number of 2,4-Diaminobenzenesulphonic acid, 98%?

The CAS Registry Number of 2,4-Diaminobenzenesulphonic acid, 98% is 88-63-1. It is also known as 2,4-Diamino benzenesulfonic acid, 1,3-Phenylenediamine-4-sulfonic acid, o-Aminosulfanilic acid.

What is the molecular formula and molecular weight of 2,4-Diaminobenzenesulphonic acid, 98%?

2,4-Diaminobenzenesulphonic acid, 98% has the molecular formula C6H8N2O3S and a molecular weight of 188.21 g/mol. Its IUPAC name is 2,4-diaminobenzenesulfonic acid.

Which grade and pack sizes of 2,4-Diaminobenzenesulphonic acid, 98% can I order?

We supply 2,4-Diaminobenzenesulphonic acid, 98% in Synthesis (98%) grade, in 50 g, 100 g, 500 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,4-Diaminobenzenesulphonic acid, 98%?

Yes. Every lot of 2,4-Diaminobenzenesulphonic acid, 98% 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 2,4-Diaminobenzenesulphonic acid, 98% be shipped internationally?

Yes. 2,4-Diaminobenzenesulphonic acid, 98% 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.