5-Amino-1,3,4-thiadiazole-2-thiol, 98%

Name: 5-Amino-1,3,4-thiadiazole-2-thiol, 98%
Brand: Vaqora Chemicals
SKU: VQ-012331

About 5-Amino-1,3,4-thiadiazole-2-thiol, 98%

Listed under CAS 2349-67-9, 5-Amino-1,3,4-thiadiazole-2-thiol is a sulfur heterocycle available from Vaqora Chemicals with a typical assay of 98%. Formula C2H3N3S2, molecular weight 133.2 g/mol. The IUPAC name is 5-amino-3H-1,3,4-thiadiazole-2-thione. Alternative names: 2-Amino-5-mercapto-1,3,4-thiadiazole and 1,3,4-Thiadiazole-2(3H)-thione, 5-amino-.

The material typically appears as white to light yellow powder or crystals. Literature values give a melting point of 235 °C (dec.). Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis and API 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

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	5-Amino-1,3,4-thiadiazole-2-thiol, 98%
Catalogue No.	VQ-012331
CAS Number	2349-67-9
IUPAC name	5-amino-3H-1,3,4-thiadiazole-2-thione
Molecular formula	C₂H₃N₃S₂
Molecular weight	133.2 g/mol
Exact mass	132.9768
Purity / assay	98%
HSN code	29420090
InChIKey	GDGIVSREGUOIJZ-UHFFFAOYSA-N
SMILES	C1(=NNC(=S)S1)N
PubChem CID	2723847

Physical properties
Physical form	Crystalline
Appearance	White to light yellow powder or crystals
Melting point	235 °C (dec.)
LogP (XLogP3)	0.3
H-bond donors / acceptors	2 / 3
TPSA	108 Å²
Synonyms	2-Amino-5-mercapto-1,3,4-thiadiazole, 5-Amino-1,3,4-thiadiazole-2-thiol, 1,3,4-Thiadiazole-2(3H)-thione, 5-amino-, 5-Amino-2-mercapto-1,3,4-thiadiazole, 2-Thiol-5-amino-1,3,4-thiadiazole, 2-Mercapto-5-amino-1,3,4-thiadiazole, WR-180, 5-Amino-1,3,4-thiadiazole-2(3H)-thione, 5-Amino-1,3,4-thiadiazoline-2-thione, 1,3,4-Thiadiazole-2-thiol, 5-amino-, 2-Amino-5-mercaptothiadiazole, 5-Thiol-2-amino-1,3,4-thiadiazole

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 5-Amino-1,3,4-thiadiazole-2-thiol, 98%?

The CAS Registry Number of 5-Amino-1,3,4-thiadiazole-2-thiol, 98% is 2349-67-9. It is also known as 2-Amino-5-mercapto-1,3,4-thiadiazole, 5-Amino-1,3,4-thiadiazole-2-thiol, 1,3,4-Thiadiazole-2(3H)-thione, 5-amino-.

What is the molecular formula and molecular weight of 5-Amino-1,3,4-thiadiazole-2-thiol, 98%?

5-Amino-1,3,4-thiadiazole-2-thiol, 98% has the molecular formula C2H3N3S2 and a molecular weight of 133.2 g/mol. Its IUPAC name is 5-amino-3H-1,3,4-thiadiazole-2-thione.

Which grade and pack sizes of 5-Amino-1,3,4-thiadiazole-2-thiol, 98% can I order?

We supply 5-Amino-1,3,4-thiadiazole-2-thiol, 98% in (98%) 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 5-Amino-1,3,4-thiadiazole-2-thiol, 98%?

Yes. Every lot of 5-Amino-1,3,4-thiadiazole-2-thiol, 98% 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 5-Amino-1,3,4-thiadiazole-2-thiol, 98% be shipped internationally?

Yes. 5-Amino-1,3,4-thiadiazole-2-thiol, 98% 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.