2-Mercaptobenzoxazole, 95%

About 2-Mercaptobenzoxazole, 95%

2-Mercaptobenzoxazole is a heterocyclic building block carrying the CAS registry number 2382-96-9 with a typical assay of 95%. The compound has the formula C7H5NOS, corresponding to a molecular weight of 151.19 g/mol. Systematically, it is named 3H-1,3-benzoxazole-2-thione. Alternative names: 2-Benzoxazolethiol and 2(3H)-Benzoxazolethione.

The material typically appears as white to almost white powder or crystals. Reported physical data include a melting point of 192-195 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for corrosion inhibition and organic synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 25 g, 100 g and 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Corrosion inhibition
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Mercaptobenzoxazole, 95%
Catalogue No.	VQ-012659
CAS Number	2382-96-9
IUPAC name	3H-1,3-benzoxazole-2-thione
Molecular formula	C₇H₅NOS
Molecular weight	151.19 g/mol
Exact mass	151.0092
Purity / assay	95%
HSN code	29333990
InChIKey	FLFWJIBUZQARMD-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)NC(=S)O2
PubChem CID	712377

Physical properties
Physical form	Crystalline
Appearance	White to almost white powder or crystals
Melting point	192-195 °C
LogP (XLogP3)	1.8
H-bond donors / acceptors	1 / 2
TPSA	53.4 Å²
Synonyms	2-Benzoxazolethiol, 2(3H)-Benzoxazolethione, Benzoxazolinethione, Benzoxazole-2-thione, benzo[d]oxazole-2-thiol, 1,3-benzoxazole-2-thiol, Benzoxazole-2-thiol, Benzooxazole-2-thiol, 2-Benzoxazolinethione, 2-Mercapto-1,3-benzoxazole, Benzoxazole, 2-mercapto-, 1,3-Benzoxazole-2(3H)-thione

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + 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 2-Mercaptobenzoxazole, 95%?

The CAS Registry Number of 2-Mercaptobenzoxazole, 95% is 2382-96-9. It is also known as 2-Benzoxazolethiol, 2(3H)-Benzoxazolethione, Benzoxazolinethione.

What is the molecular formula and molecular weight of 2-Mercaptobenzoxazole, 95%?

2-Mercaptobenzoxazole, 95% has the molecular formula C7H5NOS and a molecular weight of 151.19 g/mol. Its IUPAC name is 3H-1,3-benzoxazole-2-thione.

Which grade and pack sizes of 2-Mercaptobenzoxazole, 95% can I order?

We supply 2-Mercaptobenzoxazole, 95% in (95%) grade, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Mercaptobenzoxazole, 95%?

Yes. Every lot of 2-Mercaptobenzoxazole, 95% 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 2-Mercaptobenzoxazole, 95% be shipped internationally?

Yes. 2-Mercaptobenzoxazole, 95% 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.