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Thiophenes, Thiazoles & Thiadiazoles

Bismuthiol I

ARAvailable on request

Buy Bismuthiol I (CAS 1072-71-5) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-011402.

Pack sizes
Bismuthiol I chemical structure
CAS number1072-71-5
FormulaC2H2N2S3
Molar mass150.3 g/mol
Physical formSolid
HS code29349900
Purity98%
InChIKeyBIGYLAKFCGVRAN-UHFFFAOYSA-N
IUPAC name1,3,4-thiadiazolidine-2,5-dithione

About Bismuthiol I

Bismuthiol I is part of the Zemixal thiophenes, Thiazoles & Thiadiazoles range. For your records (AR), the material is defined by CAS 1072-71-5, formula C2H2N2S3 and molar mass 150.3 g/mol. Expect solid.

Typical applications

  • Polymer & resin production
  • Fuels & lubricants

Safe handling

Literature values: melting point 162 °C (dec.). Classified under GHS with signal word Danger and hazard statements H302, H318, H319 and H412. Read the SDS before first use.

Standard pack sizes are 10 g, 100 g and 1 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Specifications and identifiers

Specifications of Bismuthiol I
Product nameBismuthiol I
Catalogue numberZX-011402
CAS number1072-71-5
IUPAC name1,3,4-thiadiazolidine-2,5-dithione
Molecular formulaC2H2N2S3
Molar mass150.3 g/mol
Exact mass149.938
GradeAR
Purity / assay98%
Physical formSolid
AppearanceSolid
Melting point162 °C (dec.)
XLogP31.3
H-bond donors / acceptors2 / 3
Topological polar surface area114 Ų
HS code29349900
InChIKeyBIGYLAKFCGVRAN-UHFFFAOYSA-N
SMILESC1(=S)NNC(=S)S1
PubChem CID2723630
Synonyms1,3,4-Thiadiazole-2,5-dithiol, 2,5-Dimercapto-1,3,4-thiadiazole, Bismuthiol, 2,5-Dimercaptothiadiazole, Vanchem DMTD, PY 61H, bismuthol I, 2,5-dimercapto-1-thia-3,4-diazole, 5-mercapto-1,3,4-thiadiazolidine-2-thione, USAF A-8354, Usaf fa-4, Bismuththiol

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements P264, P264 + P265, P270, P273, P280, P301 + P317, P305 + P351 + P338, P305 + P354 + P338, P317, P330, P337 + P317, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Bismuthiol I
10 gQuoted on request
100 gQuoted on request
1 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Bismuthiol I

Which CAS number identifies Bismuthiol I?
Bismuthiol I is registered under CAS 1072-71-5. You may also see it listed as 1,3,4-Thiadiazole-2,5-dithiol, 2,5-Dimercapto-1,3,4-thiadiazole, Bismuthiol. Our catalogue number for this item is ZX-011402.
What are the formula and molar mass of Bismuthiol I?
For Bismuthiol I, its formula is C2H2N2S3 and its molar mass is 150.3 g/mol. The systematic (IUPAC) name is 1,3,4-thiadiazolidine-2,5-dithione. InChIKey BIGYLAKFCGVRAN-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Bismuthiol I?
This listing is AR grade with 98% purity. Standard packs are 10 g, 100 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Bismuthiol I?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Bismuthiol I to my country?
Yes. Because Bismuthiol I is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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