2-巯基苯并噻唑钠

Description

Sodium 2-Mercaptobenzothiazole · CAS 2492-26-4 · NaC7H4NS2. UNII 2K7B30DX7O. Boiling Point: 217 °F at 760 mmHg (NTP, 1992); Melting Point: 21 °F (NTP, 1992); Vapor Pressure: 24 mmHg at 77 °F (NTP, 1992).

Identification

CAS Registry Number	2492-26-4
PubChem CID	3714831
Molecular formula	NaC7H4NS2
IUPAC name	sodium 1,3-benzothiazole-2-thiolate
UNII (FDA)	2K7B30DX7O

Computed Descriptors

Molecular Weight	189.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	188.96828576
Monoisotopic Mass	188.96828576
Topological Polar Surface Area	42.1
Heavy Atom Count	11
Formal Charge	0
Complexity	134

Physical & Chemical Properties

Boiling Point	217 °F at 760 mmHg (NTP, 1992)
Melting Point	21 °F (NTP, 1992)
Vapor Pressure	24 mmHg at 77 °F (NTP, 1992)

Physical description & handling notes

• Sodium 2-mercaptobenzothiazol solution appears as an amber liquid with an odor of old rubber. A 50% aqueous solution. Denser than water. (USCG, 1999)
• Liquid; Other Solid; CBI
• 50% aqueous solution: Light amber liquid; [HSDB] Light yellow crystalline powder with a stench; [MSDSonline]
• LIGHT-AMBER LIQUID /50% AQUEOUS SOLN/
• greater than 200 °F (NTP, 1992)
• greater than or equal to 100 mg/mL at 68 °F (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS

GHS Hazard Classification

Reported hazard statements	H314 (95.4%), H317 (82.6%), H318 (72.5%), H400 (83.6%), H410 (95.9%)

Documented Uses

• Electroplating [Category: Plate]
• Pulp and Paper Processing [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Applying Wood Preservatives [Category: Other]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Metal Extraction and Refining [Category: Industry]

Synonyms

2492-26-4; SODIUM 2-MERCAPTOBENZOTHIAZOLE; Sodium mercaptobenzothiazole; Duodex; Sodium MBT; NaMBT; Caswell No. 541C; Sodium 2-mercaptobenzothiolate; Sanbit N-G; Sodium benzothiazolethiolate; Sodium mercaptobenzothiazolate; Benzothiazolethiol, sodium salt; 2-Mercaptobenzothiazole, sodium; DTXSID1026035; HSDB 6141; Sodium 2(3H)-benzothiazolethionate

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium 2-Mercaptobenzothiazole?

CAS 2492-26-4; molecular formula NaC7H4NS2; molecular weight — g/mol.

What other names is Sodium 2-Mercaptobenzothiazole known by?

2492-26-4, SODIUM 2-MERCAPTOBENZOTHIAZOLE, Sodium mercaptobenzothiazole, Duodex, Sodium MBT, NaMBT.

What is the regulatory status of Sodium 2-Mercaptobenzothiazole?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Sodium 2-Mercaptobenzothiazole classified as hazardous?

Hazard statements reported: H314, H317, H318, H400, H410.

What are the key physical properties of Sodium 2-Mercaptobenzothiazole?

Boiling Point: 217 °F at 760 mmHg (NTP, 1992); Melting Point: 21 °F (NTP, 1992); Vapor Pressure: 24 mmHg at 77 °F (NTP, 1992).

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.