Bismuththiol

Modify Date: 2026-07-01 15:03:11

Bismuththiol Structure
Bismuththiol structure
 Common Name Bismuththiol
CAS Number 1072-71-5 Molecular Weight 150.246
Density 1.7±0.1 g/cm3 Boiling Point 259.6±23.0 °C at 760 mmHg
Molecular Formula C2H2N2S3 Melting Point 162 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 110.8±22.6 °C
Symbol GHS07
GHS07		 Signal Word Warning

Summary: Bismuththiol (2,5-Dithiopyrimidine), Chinese name: 二巯基噻二唑, CAS number: 1072-71-5, molecular formula: C2H2N2S3, molecular weight: 150.246. Appearance: white to pale yellow crystalline powder, melting point: 162°C (decomposition), boiling point: 259.6°C, density: 1.7g/cm3. For research-use only, not for medical or clinical usage.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Bismuththiol
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.7±0.1 g/cm3
Boiling Point 259.6±23.0 °C at 760 mmHg
Melting Point 162 °C (dec.)(lit.)
Molecular Formula C2H2N2S3
Molecular Weight 150.246
Flash Point 110.8±22.6 °C
Exact Mass 149.938004
PSA 131.62000
LogP 2.17
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.757
InChIKey BIGYLAKFCGVRAN-UHFFFAOYSA-N
SMILES S=c1[nH][nH]c(=S)s1
Water Solubility 20 g/L (20 ºC)

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XI3850000
CHEMICAL NAME :
1,3,4-Thiadiazole-2,5-dithiol
CAS REGISTRY NUMBER :
1072-71-5
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C2-H2-N2-S3
MOLECULAR WEIGHT :
150.24
WISWESSER LINE NOTATION :
T5NN DSJ CSH ESH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0181-0380
TYPE OF TEST :
Rinsed with water
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0181-0380 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
>316 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EESADV Ecotoxicology and Environmental Safety. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1977- Volume(issue)/page/year: 6,149,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9718 No. of Facilities: 335 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 1602 (estimated) No. of Female Employees: 130 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S26-S36-S37/39
RIDADR UN 3335
WGK Germany 2
RTECS XI3850000
HS Code 2934999090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

Carbon disulphide structure

Carbon disulphide

CAS#:75-15-0

~63%

Bismuththiol Structure

Bismuththiol

CAS#:1072-71-5

Learn More
Literature: Australian Journal of Chemistry, , vol. 51, # 6 p. 499 - 509
formohydrazide structure

formohydrazide

CAS#:624-84-0

~%

Bismuththiol Structure

Bismuththiol

CAS#:1072-71-5

Learn More
Literature: Journal of the American Chemical Society, , vol. 78, p. 4475,4476
Thiosemicarbazide structure

Thiosemicarbazide

CAS#:79-19-6

~%

Bismuththiol Structure

Bismuththiol

CAS#:1072-71-5

5-Amino-1,3,4-thiadiazole-2-thiol structure

5-Amino-1,3,4-t...

CAS#:2349-67-9

Learn More
Literature: Annali di Chimica (Rome, Italy), , vol. 49, p. 1464,1466, 1469
5-ethoxycarbonylmercapto-3H-[1,3,4]thiadiazole-2-thione structure

5-ethoxycarbony...

CAS#:116956-14-0

~%

Bismuththiol Structure

Bismuththiol

CAS#:1072-71-5

Learn More
Literature: Zhurnal Obshchei Khimii, , vol. 28, p. 1031,1034; engl. Ausg. S. 1002, 1004
bis-thiohydrazinocarbonyl-sulfane structure

bis-thiohydrazi...

CAS#:25403-90-1

~%

Bismuththiol Structure

Bismuththiol

CAS#:1072-71-5

Learn More
Literature: Journal of the Chemical Society, , vol. 121, p. 2544
Carbon disulphide structure

Carbon disulphide

CAS#:75-15-0

formohydrazide structure

formohydrazide

CAS#:624-84-0

~%

Bismuththiol Structure

Bismuththiol

CAS#:1072-71-5

Learn More
Literature: Journal of the American Chemical Society, , vol. 78, p. 4475,4476

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles13

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

[Kinetics and mechanism of individual and combined oxidation of o-dianisidine and bismuthol I by hydrogen peroxide catalyzed by horseradish peroxidase].

Biokhimiia 45(12) , 2243-53, (1980)

The individual and combined oxidation of 5-mercapto-1,3,4-thiadiazolthione-2 (bismuthol I) and 3,3'-dimethoxybenzidine (o-dianisidine) by hydrogen peroxide catalyzed by horseradish peroxidase (pH 5,0)...

Exploiting metal-organic coordination polymers as highly efficient immobilization matrixes of enzymes for sensitive electrochemical biosensing.

Anal. Chem. 83(17) , 6511-7, (2011)

We report on the exploitation of metal-organic coordination polymers (MOCPs) as new and efficient matrixes to immobilize enzymes for amperometric biosensing of glucose or phenols. A ligand, 2,5-dimerc...

Mercaptothiadiazole capped gold nanoparticles as fluorophore for the determination of nanomolar mercury(II) in aqueous solution in the presence of 50,000-fold major interferents.

Analyst 137(14) , 3349-54, (2012)

The present work describes the determination of picogram Hg(II) using 2,5-dimercapto-1,3,4-thiadiazole stabilized gold nanoparticles (DMT-AuNPs) by a spectrofluorimetry method. DMT-AuNPs show emission...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

T5MMYSYJ CUS EUS
py61h
2,5-dithio-1,3,4-thiadiazole
BismuthonI
Bismuthiol I
DMTZ
EINECS 214-014-1
2,5-bismercapto-1,3,4-thiadiazole
Bismuthiol Ⅰ
Bismutiol I
2,5-Dimercapto-1,3,4-thiadizole
1,3,4-thiadiazole-2,5-dithiol
USAF FA-4
DMTD
1,3,4-Thiadiazolidine-2,5-dithione
MFCD00003103
2,5-dimercapto-1,3,4-thiadiazole
usafa-8354
BISMUTHIOL
2,5-DIMERCAPTO 1,3,4 THIADIAZOLE

 Bismuththiol | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: How is the water solubility of Bismuththiol?
A: Water solubility of Bismuththiol: 20 g/L (20 ºC).
Q: What are the downstream products of Bismuththiol?
A: Related downstream products(CAS) of Bismuththiol: 53723-88-9;19921-88-1;19692-10-5;72676-55-2;133858-21-6;289-06-5;6957-85-3;7653-69-2;6264-40-0;37147-15-2.
Q: What is the boiling point of Bismuththiol?
A: Boiling point of Bismuththiol is 259.6±23.0 °C at 760 mmHg.
Q: What is the InChIKey of Bismuththiol?
A: InChIKey of Bismuththiol is BIGYLAKFCGVRAN-UHFFFAOYSA-N.
Q: What is the polar surface area (PSA) of Bismuththiol?
A: Polar surface area (PSA) of Bismuththiol is 131.62000.
Q: What is the melting point of Bismuththiol?
A: Melting point of Bismuththiol is 162 °C (dec.)(lit.).
Q: What is the CAS number of Bismuththiol?
A: CAS number of Bismuththiol is 1072-71-5.
Q: What is the molecular formula of Bismuththiol?
A: Molecular formula of Bismuththiol is C2H2N2S3.
Q: What is the molecular weight of Bismuththiol?
A: Molecular weight of Bismuththiol is 150.246.
Q: What is the English name of Bismuththiol?
A: The English name of Bismuththiol is Bismuththiol.

 Bismuththiolfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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