Thiosalicylic acid

Description

Thiosalicylic acid · CAS 147-93-3 · C7H6O2S. UNII CIP6LXN5XW. Melting Point: 168-169 °C; LogP: 2.39.

Identification

CAS Registry Number	147-93-3
PubChem CID	5443
Molecular formula	C7H6O2S
IUPAC name	2-sulfanylbenzoic acid
UNII (FDA)	CIP6LXN5XW

Computed Descriptors

Molecular Weight	154.19
XLogP3	2.4
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	154.00885060
Monoisotopic Mass	154.00885060
Topological Polar Surface Area	38.3
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Melting Point	168-169 °C
LogP	2.39

Physical description & handling notes

• Sulfur-yellow solid; Slightly soluble in hot water; [Merck Index] Yellow powder, soluble in water; [MSDSonline]
• SULFUR-YELLOW FLAKES, PLATES, NEEDLES FROM GLACIAL ACETIC ACID OR ALCOHOL
• LEAVES OR NEEDLES FROM WATER
• CRYSTALS /SODIUM SALT/
• SOL IN WATER /SODIUM SALT/
• SOL IN HOT WATER, ALCOHOL, ETHER, ACETIC ACID; SLIGHTLY SOLUBLE IN PETROLEUM ETHER

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Keratolytic; Antioxidant; Reducing

GHS Hazard Classification

Reported hazard statements	H315 (100%), H319 (100%), H335 (98%)

Documented Uses

• Used in the manufacture of thioindigo dyes and other chemicals and as a reagent for determination of iron; [HSDB]
• MANUFACTURE OF THIOINDIGO DYES, REAGENT FOR DETERMINATION OF IRON
• Cosmetics -> Keratolytic; Antioxidant; Reducing
• PREPARED BY HEATING O-HALOGENATED BENZOIC ACIDS WITH ALKALINE HYDROSULFIDE IN PRESENCE OF COPPER; GERMAN PATENT 189,200 (1906); BY REDUCTION OF DITHIOSALICYLIC ACID: CLAASZ; BER 45, 2427 (1912); GERMAN PATENT 205,450; ALLEN, MACKAY, ORG SYN 12, 76 (1932).
• Benzoic acid, 2-mercapto-: ACTIVE
• A subclass of analgesic agents that typically do not bind to OPIOID RECEPTORS and are not addictive. Many non-narcotic analgesics are offered as NONPRESCRIPTION DRUGS.

Synonyms

Thiosalicylic acid; 2-Mercaptobenzoic acid; 147-93-3; 2-Sulfanylbenzoic acid; o-Mercaptobenzoic acid; 2-Thiosalicylic acid; o-Thiosalicylic acid; 2-Carboxythiophenol; o-Sulfhydrylbenzoic acid; o-Benzoic acid thiol; o-Carboxythiophenol; Benzoic acid, 2-mercapto-; o-Mercaptobenzoesaeure; Salicylic acid, 2-thio-; BENZOIC ACID, O-MERCAPTO-; Thiophenol-2-carboxylic acid

Frequently Asked Questions

What are the CAS number and molecular formula of Thiosalicylic acid?

CAS 147-93-3; molecular formula C7H6O2S; molecular weight — g/mol.

What other names is Thiosalicylic acid known by?

Thiosalicylic acid, 2-Mercaptobenzoic acid, 147-93-3, 2-Sulfanylbenzoic acid, o-Mercaptobenzoic acid, 2-Thiosalicylic acid.

What is the regulatory status of Thiosalicylic acid?

Documented regulatory listings: CIR / INCI: Keratolytic; Antioxidant; Reducing.

Is Thiosalicylic acid classified as hazardous?

Hazard statements reported: H315, H319, H335.

What are the key physical properties of Thiosalicylic acid?

Melting Point: 168-169 °C; LogP: 2.39.

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.