Sodium thioglycolate

Description

Sodium thioglycolate is identified by CAS 367-51-1, molecular formula C2H3NaO2S and molecular weight 113.98 g/mol. UNII D94M78P69V; ChEBI 86481; InChIKey GNBVPFITFYNRCN-UHFFFAOYSA-M.

Identification

CAS Registry Number	367-51-1
PubChem CID	23690444
Molecular formula	C2H3NaO2S
Molecular weight	113.98 g/mol
IUPAC name	sodium 2-sulfanylacetate
InChIKey	GNBVPFITFYNRCN-UHFFFAOYSA-M
UNII (FDA)	D94M78P69V
ChEBI ID	CHEBI:86481

Computed Descriptors

Molecular Weight	114.10
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	113.97514479
Monoisotopic Mass	113.97514479
Topological Polar Surface Area	41.1
Heavy Atom Count	6
Formal Charge	0
Complexity	46.8

Physical description & handling notes

• Thioglycolic acid, sodium salt is a white powder with a slight odor. Used in cold-waving of hair and as a dipilatory.
• Liquid
• Hygroscopic solid with a mild characteristic odor; Discolored by air and iron; [Merck Index] White hygroscopic powder with a stench; [Acros Organics MSDS]
• greater than 572 °F (NTP, 1992)
• Very soluble (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Sodium Thioglycolate) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Depilatory; Reducing
GHS notification summary	1% (3 / 292)

GHS Hazard Classification

GHS notification summary	1% (3 / 292)
Reported hazard statements	H290 (12.7%), H301 (48.3%), H302 (50.7%), H312 (53.1%), H315 (44.5%), H317 (59.9%), H319 (26.4%), H373 (36%)

Documented Uses

• CIR ingredient: Sodium Thioglycolate
• Used in cosmetology (cold-waving of hair and as a depilatory), bacteriology to make thioglycolate media, and as an analytical reagent; [Merck Index]
• Dressing Hair [Category: Other]
• Cosmetics -> Depilatory; Reducing
• Tanning agents not otherwise specified
• Processing aids not otherwise specified

Synonyms

SODIUM THIOGLYCOLATE; 367-51-1; Sodium mercaptoacetate; Mercaptoacetic acid sodium salt; Thioglycolate sodium; Sodium thioglycollate; Mercaptoacetic acid, sodium salt; sodium sulfanylacetate; Sodium 2-mercatoethanoate; Thioglycollic acid, sodium salt; Acetic acid, mercapto-, monosodium salt; Thioglycolic acid, sodium salt; CCRIS 4874; USAF EK-5199; EINECS 206-696-4; EINECS 253-166-3

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium thioglycolate?

CAS 367-51-1; molecular formula C2H3NaO2S; molecular weight 113.98 g/mol.

What other names is Sodium thioglycolate known by?

SODIUM THIOGLYCOLATE, 367-51-1, Sodium mercaptoacetate, Mercaptoacetic acid sodium salt, Thioglycolate sodium, Sodium thioglycollate.

What is the regulatory status of Sodium thioglycolate?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Sodium Thioglycolate) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Depilatory; Reducing.

Is Sodium thioglycolate classified as hazardous?

1% of GHS notifications report no hazard classification (3 of 292).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.