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

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Names

[ CAS No. ]:
2349-67-9

[ Name ]:
5-Amino-1,3,4-thiadiazole-2-thiol

[Synonym ]:
T5NN DSJ CZ ESH
5-Amino-1,3,4-thiadi
2-AMINO-5-MERCAPTO-1,3,4-THIADIAZOLE
5-Amino-1,3,4-thiadiazole-2(3H)-thione
usafpd-25
2-amino-5-sulfanyl-1,3,4-thiadiazole
EAMTD
5-amino-2-mercapto-1,3,4-thiadiazole
EINECS 219-078-4
2-amino thiadiazole-5-thiol
1,3,4-Thiadiazole-2(3H)-thione, 5-amino-
5-sulfanyl-1,3,4-thiadiazol-2-ylamine
MFCD00128160
2-Amino-5-mercaptothiadiazole
2-Amino-5-mercapto-1,3,4-thiad
5-amino-3H-1,3,4-thiadiazole-2-thione
2-AMino-5-Mercapto-1
Acetazolamide Impurity 7

Chemical & Physical Properties

[ Density]:
2.0±0.1 g/cm3

[ Boiling Point ]:
242.3±23.0 °C at 760 mmHg

[ Melting Point ]:
235 °C (dec.)(lit.)

[ Molecular Formula ]:
C2H3N3S2

[ Molecular Weight ]:
133.20

[ Flash Point ]:
100.3±22.6 °C

[ Exact Mass ]:
132.976837

[ PSA ]:
118.84000

[ LogP ]:
-0.77

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.991

[ Water Solubility ]:
insoluble

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XI4550000
CHEMICAL NAME :
1,3,4-Thiadiazole-2-thiol, 5-amino-
CAS REGISTRY NUMBER :
2349-67-9
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C2-H3-N3-S2
MOLECULAR WEIGHT :
133.20
WISWESSER LINE NOTATION :
T5NN DSJ CZ ESH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
250 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: AD691-490

Safety Information

[ Hazard Codes ]:
Xi:Irritant

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36-S36/37

[ WGK Germany ]:
3

[ RTECS ]:
XI4550000

[ HS Code ]:
29349990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Carbon disulphide
  • Thiosemicarbazide
  • potassium ethylxanthate
  • 2-mercapto-7-methyl-5-oxo-5H-1,3,4-thiadiazolo[3,2-a]pyrimidine

DownStream

  • Acetic acid,2-[(5-amino-1,3,4-thiadiazol-2-yl)thio]-, ethyl ester
  • 5-(Isopropylthio)-1,3,4-thiadiazol-2-amine
  • 2-AMINO-5-N-PROPYLTHIO-1,3,4-THIADIAZOLE
  • 2-Acetamido-5-mercapto-1,3,4-thiadiazole
  • 2-amino-5-(methylthio)-1,3,4-thiadiazole
  • 5-(2-propynylsulfanyl)-1,3,4-thiadiazol-2-ylamine
  • 5-Isobutylthio-1,3,4-thiadiazol-2-amine
  • 5-BUTYLSULFANYL-[1,3,4]THIADIAZOL-2-YLAMINE
  • 2-[(5-AMINO-1,3,4-THIADIAZOL-2-YL)THIO]-5-NITROBENZONITRILE
  • 2-AMINO-5-BENZYLTHIO-1,3,4-THIADIAZOLE

Customs

[ HS Code ]: 2934999090

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

Related Compounds

  • 5-Amino-1,3,4-thiadiazole-2-thiol
  • 5-Amino-1,3,4-thiadiazole-2-thiol hydrochloride
  • 5-amino-1,3,4-thiadiazole-2-sulfonyl chloride
  • 5-AMINO-[1,3,4]THIADIAZOLE-2-CARBALDEHYDE
  • 5-amino-1,3,4-thiadiazole-2-carbohydrazide
  • 5-amino-[1,3,4]thiadiazole-2-carboxylic acid butyl ester