Phenol disulphonic acid, GR 25%

Name: Phenol disulphonic acid, GR 25%
Brand: Vaqora Chemicals
SKU: VQ-010941

About Phenol disulphonic acid, GR 25%

Phenol disulphonic acid is an organosulfur compound (AR grade) carrying the CAS registry number 96-77-5, specified at 25% purity. Formula C6H6O7S2, molecular weight 254.2 g/mol. The IUPAC name is 4-hydroxybenzene-1,3-disulfonic acid. Alternative names: Phenoldisulfonic acid and 4-Hydroxy-1,3-benzenedisulfonic acid.

The material typically appears as a yellow to brown liquid. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

Key uses span polymer and resin production and paints, coatings and inks. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and paints and coatings.

Available in 500 mL, 5 L and 25 kg packs, Phenol disulphonic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Polymer & resin production
Paints, coatings & inks

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Phenol disulphonic acid, GR 25%
Catalogue No.	VQ-010941
CAS Number	96-77-5
IUPAC name	4-hydroxybenzene-1,3-disulfonic acid
Molecular formula	C₆H₆O₇S₂
Molecular weight	254.2 g/mol
Exact mass	253.9555
Grade	AR
Purity / assay	25%
HSN code	29089990
InChIKey	JXBUOZMYKQDZFY-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1S(=O)(=O)O)S(=O)(=O)O)O
PubChem CID	66787

Physical properties
Physical form	Liquid
Appearance	Yellow to brown liquid
LogP (XLogP3)	-1
H-bond donors / acceptors	3 / 7
TPSA	146 Å²
Synonyms	Phenoldisulfonic acid, 4-Hydroxy-1,3-benzenedisulfonic acid, Phenol-2,4-disulfonic acid, 1-Hydroxy-2,4-disulfobenzene, 4-Hydroxy-m-benzenedisulfonic acid, 1-phenol-2,4-disulfonic acid, 1,3-Benzenedisulfonic acid, 4-hydroxy-, m-Benzenedisulfonic acid, 4-hydroxy-, Phenol2,4disulfonic acid, 1Hydroxy2,4disulfobenzene, 1phenol2,4disulfonic acid, 4Hydroxymbenzenedisulfonic acid

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P363, P403 + P233, P405

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 96-77-5

Phenoldisulphonic acid solution 25% w/v in sulphuric acid

CAS: 96-77-5
Formula: C₆H₆O₇S₂
MW: 254.2 g/mol

VQ-045778

Frequently asked questions

What is the CAS number of Phenol disulphonic acid, GR 25%?

The CAS Registry Number of Phenol disulphonic acid, GR 25% is 96-77-5. It is also known as Phenoldisulfonic acid, 4-Hydroxy-1,3-benzenedisulfonic acid, Phenol-2,4-disulfonic acid.

What is the molecular formula and molecular weight of Phenol disulphonic acid, GR 25%?

Phenol disulphonic acid, GR 25% has the molecular formula C6H6O7S2 and a molecular weight of 254.2 g/mol. Its IUPAC name is 4-hydroxybenzene-1,3-disulfonic acid.

Which grade and pack sizes of Phenol disulphonic acid, GR 25% can I order?

We supply Phenol disulphonic acid, GR 25% in AR (25%) grade, in 500 mL, 5 L, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phenol disulphonic acid, GR 25%?

Yes. Every lot of Phenol disulphonic acid, GR 25% 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 Phenol disulphonic acid, GR 25% be shipped internationally?

Yes. Phenol disulphonic acid, GR 25% 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.