2,5-二巯基-1,3,4-噻二唑

Description

2,5-Dimercapto-1,3,4-Thiadiazole · CAS 1072-71-5 · C2H2N2S3. UNII 2S78T9T08C.

Identification

CAS Registry Number	1072-71-5
PubChem CID	2723630
Molecular formula	C2H2N2S3
IUPAC name	1,3,4-thiadiazolidine-2,5-dithione
UNII (FDA)	2S78T9T08C

Computed Descriptors

Molecular Weight	150.3
XLogP3	1.3
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	149.93801159
Monoisotopic Mass	149.93801159
Topological Polar Surface Area	114
Heavy Atom Count	7
Formal Charge	0

Physical description & handling notes

• Liquid; Dry Powder
• Slightly yellow solid with an irritating odor; [NTP] Yellow powder with a stench; [Alfa Aesar MSDS]

GHS Hazard Classification

Reported hazard statements	H302 (92.1%), H318 (86.2%), H319 (13.8%), H412 (77.4%)

Documented Uses

• Used in flame and scorch retardant products, to make polymers, heavy metal salts, basic salts, pharmaceuticals, and dyes, in cross linking halogenated polymers, electrode compositions, photography, as an additive in lubricating oils and greases, corrosion inhibitor (for metals, metal coatings, and paints), chelating agent in metal analysis, adhesion improver, biocide, and for purifying and treating wastewater; [NTP]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Sewer and Wastewater Treatment [Category: Industry]
• Photographic Processing [Category: Other]
• Petroleum Lubricating Oil and Grease Manufacturing
• All Other Chemical Product and Preparation Manufacturing

Synonyms

2,5-Dimercapto-1,3,4-thiadiazole; 1072-71-5; Bismuthiol I; 1,3,4-Thiadiazolidine-2,5-dithione; Bismuthiol; 2,5-Dimercaptothiadiazole; Vanchem DMTD; PY 61H; DTXSID6040115; 2S78T9T08C; NSC-4645; DTXCID4020115; bismuthol I; RefChem:82881; 2,5-dimercapto-1-thia-3,4-diazole; 5-mercapto-1,3,4-thiadiazolidine-2-thione

Frequently Asked Questions

What are the CAS number and molecular formula of 2,5-Dimercapto-1,3,4-Thiadiazole?

CAS 1072-71-5; molecular formula C2H2N2S3; molecular weight — g/mol.

What other names is 2,5-Dimercapto-1,3,4-Thiadiazole known by?

2,5-Dimercapto-1,3,4-thiadiazole, 1072-71-5, Bismuthiol I, 1,3,4-Thiadiazolidine-2,5-dithione, Bismuthiol, 2,5-Dimercaptothiadiazole.

Is 2,5-Dimercapto-1,3,4-Thiadiazole classified as hazardous?

Hazard statements reported: H302, H318, H319, H412.

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.