Chlorosulfonic acid, 98%

Name: Chlorosulfonic acid, 98%
Brand: Vaqora Chemicals
SKU: VQ-000826

About Chlorosulfonic acid, 98%

Listed under CAS 7790-94-5, Chlorosulfonic acid is a synthetic reagent available from Vaqora Chemicals in Synthesis grade with a typical assay of 98%. Its molecular formula is ClHO3S and its molecular weight is 116.53 g/mol. Systematically, it is named sulfurochloridic acid. Common synonyms include Chlorosulphonic acid and Chlorosulfuric acid.

The material typically appears as a colourless liquid. Reported physical data include a melting point of -80 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, reaction development, medicinal chemistry and pharmaceutical synthesis. Buyers come mainly from academic and industrial research and pharmaceutical manufacturing.

Standard pack sizes are 500 mL and 16 x 500 mL, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Pharmaceutical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Chlorosulfonic acid, 98%
Catalogue No.	VQ-000826
CAS Number	7790-94-5
IUPAC name	sulfurochloridic acid
Molecular formula	ClHO₃S
Molecular weight	116.53 g/mol
Exact mass	115.9335
Grade	Synthesis
Purity / assay	98%
HSN code	28062000
InChIKey	XTHPWXDJESJLNJ-UHFFFAOYSA-N
SMILES	OS(=O)(=O)Cl
PubChem CID	24638

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
Melting point	-80 °C
LogP (XLogP3)	-0.1
H-bond donors / acceptors	1 / 3
TPSA	62.8 Å²
Synonyms	Chlorosulphonic acid, Chlorosulfuric acid, Sulfuric chlorohydrin, Monochlorosulfuric acid, Sulfonic acid, monochloride, Chlorosulphuric acid, Chloridosulfuric acid, Chlorosulfonic acid, 99%, ClHO3S, sulfochloride, chlorosufonic acid, chorosulfonic acid

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H335May cause respiratory irritation

Precautionary statements: P260, P261, P264, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P319, P321, P363, P403 + P233, P405, 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 7790-94-5

AR

Chlorosulfonic acid, GR 99%+

CAS: 7790-94-5
Formula: ClHO₃S
MW: 116.53 g/mol

VQ-000827

Frequently asked questions

What is the CAS number of Chlorosulfonic acid, 98%?

The CAS Registry Number of Chlorosulfonic acid, 98% is 7790-94-5. It is also known as Chlorosulphonic acid, Chlorosulfuric acid, Sulfuric chlorohydrin.

What is the molecular formula and molecular weight of Chlorosulfonic acid, 98%?

Chlorosulfonic acid, 98% has the molecular formula ClHO3S and a molecular weight of 116.53 g/mol. Its IUPAC name is sulfurochloridic acid.

Which grade and pack sizes of Chlorosulfonic acid, 98% can I order?

We supply Chlorosulfonic acid, 98% in Synthesis (98%) grade, in 500 mL, 16 x 500 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chlorosulfonic acid, 98%?

Yes. Every lot of Chlorosulfonic 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 Chlorosulfonic acid, 98% be shipped internationally?

Yes. Chlorosulfonic 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.