Carboxymethanesulfonyl-acetic acid

About Carboxymethanesulfonyl-acetic acid

Carboxymethanesulfonyl-acetic acid is an organosulfur compound carrying the CAS registry number 123-45-5. The compound has the formula C4H6O6S, corresponding to a molecular weight of 182.15 g/mol. Its systematic (IUPAC) name is 2-(carboxymethylsulfonyl)acetic acid. Alternative names: Sulfonyldiacetic acid and Acetic acid, 2,2'-sulfonylbis-.

Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for fine chemical synthesis and organic synthesis. It is used across 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.

Typical applications

Fine chemical synthesis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Carboxymethanesulfonyl-acetic acid
Catalogue No.	VQ-041009
CAS Number	123-45-5
IUPAC name	2-(carboxymethylsulfonyl)acetic acid
Molecular formula	C₄H₆O₆S
Molecular weight	182.15 g/mol
Exact mass	181.9885
InChIKey	WDYRPTWUNMHTJL-UHFFFAOYSA-N
SMILES	C(C(=O)O)S(=O)(=O)CC(=O)O
PubChem CID	261524

Physical properties
Physical form	Other
LogP (XLogP3)	-1.2
H-bond donors / acceptors	2 / 6
TPSA	117 Å²
Synonyms	Sulfonyldiacetic acid, Acetic acid, 2,2'-sulfonylbis-, Bis(carboxymethyl) sulfone, Sulfonediacetic acid, 2,2'-sulfonyldiacetic acid, 2-(carboxymethanesulfonyl)acetic acid, Acetic acid, sulfonyldi-, Acetic acid,2'-sulfonylbis-, Dimethylenesulfone-.alpha.,.alpha.'-dicarboxylic acid, Acetic acid,2,2'-sulfonylbis-

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H300+H310Fatal if swallowed or in contact with skin
H300Fatal if swallowed
H310Fatal in contact with skin
H331Toxic if inhaled

Precautionary statements: P261, P262, P264, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P316, P321, P330, P361 + P364, 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

Frequently asked questions

What is the CAS number of Carboxymethanesulfonyl-acetic acid?

The CAS Registry Number of Carboxymethanesulfonyl-acetic acid is 123-45-5. It is also known as Sulfonyldiacetic acid, Acetic acid, 2,2'-sulfonylbis-, Bis(carboxymethyl) sulfone.

What is the molecular formula and molecular weight of Carboxymethanesulfonyl-acetic acid?

Carboxymethanesulfonyl-acetic acid has the molecular formula C4H6O6S and a molecular weight of 182.15 g/mol. Its IUPAC name is 2-(carboxymethylsulfonyl)acetic acid.

Which grade and pack sizes of Carboxymethanesulfonyl-acetic acid can I order?

We supply Carboxymethanesulfonyl-acetic 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 Carboxymethanesulfonyl-acetic acid?

Yes. Every lot of Carboxymethanesulfonyl-acetic 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 Carboxymethanesulfonyl-acetic acid be shipped internationally?

Yes. Carboxymethanesulfonyl-acetic acid 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.