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

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Names

[ CAS No. ]:
16691-43-3

[ Name ]:
3-Amino-5-mercapto-1,2,4-triazole

[Synonym ]:
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

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

MSDS

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

Synthetic Route

Precursor & DownStream

Precursor

  • 2,5-Dithiobiurea
  • 1,6-bis(ethoxycarbonyl)bithiourea

DownStream

  • 5,7-DIMETHYL[1,2,4]TRIAZOLO[1,5-A]PYRIMIDIN-2-YLHYDROSULFIDE
  • 3-[(4-chlorophenyl)methylsulfanyl]-1H-1,2,4-triazol-5-amine
  • 3-AMINO-5-METHYLTHIO-1H-1,2,4-TRIAZOLE
  • 3-(Benzylsulfanyl)-1H-1,2,4-triazol-5-ylamine
  • ethyl 2-[(5-amino-1H-1,2,4-triazol-3-yl)sulfanyl]acetate
  • 3-(ETHYLTHIO)-1H-1,2,4-TRIAZOL-5-AMINE

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%


Related Compounds

  • 3-AMINO-5-MERCAPTO-1,2,4-TRIAZOLE
  • .3-amino-5-mercapto-1,2,4-triazole
  • 3-(β-naphthyloxymethyl)-4-amino-5-mercapto-1,2,4-triazole
  • 3-(4-chloroanilinomethyl)-4-amino-5-mercapto-1,2,4-triazole
  • 3-(4-chloro-3-methylphenoxymethyl)-4-amino-5-mercapto-1,2,4-triazole
  • 4-amino-5-(naphthalen-1-yl-methyl)-3-mercapto-1,2,4-triazole
  • N-((4-(piperidin-1-yl)pyrimidin-2-yl)methyl)picolinamide
  • N-(2-ethoxyphenyl)-4-(2-methyl-6-(pyridin-2-ylamino)pyrimidin-4-yl)piperazine-1-carboxamide
  • 1-(2-Chloroisonicotinoyl)thiosemicarbazide
  • N-((4-(piperidin-1-yl)pyrimidin-2-yl)methyl)isonicotinamide
  • 5,8-Dimethyl-1,6-naphthyridin-2(1H)-one
  • N-((1-(furan-3-carbonyl)piperidin-4-yl)methyl)-2-phenylthiazole-4-carboxamide
  • N-(2-chloro-4-methylphenyl)-4-(2-methyl-6-(pyridin-2-ylamino)pyrimidin-4-yl)piperazine-1-carboxamide
  • N-((1-(furan-3-carbonyl)piperidin-4-yl)methyl)-6-methoxy-1H-indole-2-carboxamide
  • 2-(3,5-dimethylisoxazol-4-yl)-N-((1-(furan-3-carbonyl)piperidin-4-yl)methyl)acetamide
  • 2-(2-chloro-6-fluorophenyl)-N-((1-(furan-3-carbonyl)piperidin-4-yl)methyl)acetamide
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