3-Amino-5-mercapto-1,2,4-triazole

Modify Date: 2025-08-21 13:02:41

3-Amino-5-mercapto-1,2,4-triazole Structure
3-Amino-5-mercapto-1,2,4-triazole structure
 Common Name 3-Amino-5-mercapto-1,2,4-triazole
CAS Number 16691-43-3 Molecular Weight 116.145
Density 1.7±0.1 g/cm3 Boiling Point 389.1±25.0 °C at 760 mmHg
Molecular Formula C2H4N4S Melting Point >300 °C(lit.)
MSDS N/A Flash Point 189.1±23.2 °C

 Names

Name 3-Amino-5-mercapto-1,2,4-triazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 389.1±25.0 °C at 760 mmHg
Melting Point >300 °C(lit.)
Molecular Formula C2H4N4S
Molecular Weight 116.145
Flash Point 189.1±23.2 °C
Exact Mass 116.015663
PSA 106.39000
LogP -0.08
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.791
Water Solubility SOLUBLE IN HOT WATER

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XZ5357500
CHEMICAL NAME :
3H-1,2,4-Triazole-3-thione, 1,2-dihydro-5-amino-
CAS REGISTRY NUMBER :
16691-43-3
LAST UPDATED :
199712
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C2-H4-N4-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

 Safety Information

Hazard Codes F:Flammable;Xn:Harmful;
Risk Phrases R11;R22;R36/37/38
Safety Phrases S26-S36-S36/37/39-S16
WGK Germany 3
RTECS XZ5357500
Packaging Group II; III
Hazard Class 4.1
HS Code 2933990090

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-amino-s-triazole-3-thio
3-Amino-1,2,4-triazole-5-thiol
5-AMINO-4H-1,2,4-TRIAZOLE-3-THIOL
5-Amino-1H-1,2,4-triazole-3-thiol
3-Amino-5-mercapto-1,2,4-triazole
EINECS 240-735-6
3-Amino-5-mercapto-1
3-amino-5-sulfanyl-1,2,4-triazole
2-amino-5-mercapto-1H-1,3,4-triazole
3-Imino-5-thiourazole
1H-1,2,4-Triazole-5-thiol, 3-amino-
4H-1,2,4-triazole-3-thiol, 5-amino-
MFCD00005231
5-Amino-1,2-dihydro-3H-1,2,4-triazole-3-thione
iminothiourazole
1H-1,2,4-triazole-3-thiol, 5-amino-
3-Amino-4H-1,2,4-triazole-5-thiol
5-imino-2-triazolidine-3-thione
5-amino-3-mercapto-4H-1,2,4-triazole
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Chemsrc provides 3-Amino-5-mercapto-1,2,4-triazole(CAS#:16691-43-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 3-Amino-5-mercapto-1,2,4-triazole are included as well.>> amp version: 3-Amino-5-mercapto-1,2,4-triazole

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