Phenylmethanesulfonic acid

About Phenylmethanesulfonic acid

Phenylmethanesulfonic acid is an organosulfur compound carrying the CAS registry number 100-87-8. Formula C7H8O3S, molecular weight 172.2 g/mol. It is also known as Benzenemethanesulfonic acid or Toluene-alpha-sulphonic acid.

Keep the container tightly sealed and store it in a cool, dry area. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Phenylmethanesulfonic acid
Catalogue No.	VQ-051789
CAS Number	100-87-8
IUPAC name	phenylmethanesulfonic acid
Molecular formula	C₇H₈O₃S
Molecular weight	172.2 g/mol
Exact mass	172.0194
InChIKey	NIXKBAZVOQAHGC-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)CS(=O)(=O)O
PubChem CID	7532

Physical properties
Physical form	Other
LogP (XLogP3)	0.3
H-bond donors / acceptors	1 / 3
TPSA	62.8 Å²
Synonyms	Benzenemethanesulfonic acid, Toluene-alpha-sulphonic acid, alpha-Toluenesulfonic acid, Methanesulfonic acid, phenyl-, alphaToluenesulfonic acid, Methanesulfonic acid, phenyl, phenylmethanesulphonic acid

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 Phenylmethanesulfonic acid?

The CAS Registry Number of Phenylmethanesulfonic acid is 100-87-8. It is also known as Benzenemethanesulfonic acid, Toluene-alpha-sulphonic acid, alpha-Toluenesulfonic acid.

What is the molecular formula and molecular weight of Phenylmethanesulfonic acid?

Phenylmethanesulfonic acid has the molecular formula C7H8O3S and a molecular weight of 172.2 g/mol. Its IUPAC name is phenylmethanesulfonic acid.

Which grade and pack sizes of Phenylmethanesulfonic acid can I order?

We supply Phenylmethanesulfonic acid, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phenylmethanesulfonic acid?

Yes. Every lot of Phenylmethanesulfonic acid 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 Phenylmethanesulfonic acid be shipped internationally?

Yes. We export Phenylmethanesulfonic acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.