5-ethyl-1,3,4-thiadiazol-2-amine

Modify Date: 2024-01-02 18:09:41

5-ethyl-1,3,4-thiadiazol-2-amine Structure
5-ethyl-1,3,4-thiadiazol-2-amine structure
 Common Name 5-ethyl-1,3,4-thiadiazol-2-amine
CAS Number 14068-53-2 Molecular Weight 129.18300
Density 1.418 g/cm3 (-123 C) Boiling Point 250ºC
Molecular Formula C4H7N3S Melting Point 200-203 °C(lit.)
MSDS N/A Flash Point 115.4ºC

 Names

Name 2-amino-5-ethyl-1,3,4-thiadiazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.418 g/cm3 (-123 C)
Boiling Point 250ºC
Melting Point 200-203 °C(lit.)
Molecular Formula C4H7N3S
Molecular Weight 129.18300
Flash Point 115.4ºC
Exact Mass 129.03600
PSA 80.04000
LogP 1.26390
Vapour Pressure 0.00826mmHg at 25°C
Index of Refraction 1.605

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XI3095000
CHEMICAL NAME :
1,3,4-Thiadiazole, 2-amino-5-ethyl-
CAS REGISTRY NUMBER :
14068-53-2
BEILSTEIN REFERENCE NO. :
0113614
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C4-H7-N3-S
MOLECULAR WEIGHT :
129.20
WISWESSER LINE NOTATION :
T5NN DSJ CZ E2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
810 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 211,367,1950

 Safety Information

Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S37/39-S36/37/39-S22
WGK Germany 3
RTECS XI3095000
HS Code 2934999090

 Synthetic Route

Propanoyl chloride structure

Propanoyl chloride

CAS#:79-03-8

Thiosemicarbazide structure

Thiosemicarbazide

CAS#:79-19-6

~80%

5-ethyl-1,3,4-thiadiazol-2-amine Structure

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

CAS#:14068-53-2

Literature: Pharmaleads Patent: US2009/12153 A1, 2009 ; Location in patent: Page/Page column 12 ;
N/A structure

N/A

CAS#:802294-64-0

Thiosemicarbazide structure

Thiosemicarbazide

CAS#:79-19-6

~86%

5-ethyl-1,3,4-thiadiazol-2-amine Structure

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

CAS#:14068-53-2

Literature: Li, Zheng; Yu, Jin-Lan; Yang, Jing-Ya; Shi, Sheng-Yi; Wang, Xi-Cun Journal of Chemical Research, 2005 , # 5 p. 341 - 343
N/A structure

N/A

CAS#:96133-97-0

~54%

5-ethyl-1,3,4-thiadiazol-2-amine Structure

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

CAS#:14068-53-2

3H-1,2,4-Triazole-3-thione,5-ethyl-1,2-dihydro-(9CI) structure

3H-1,2,4-Triazo...

CAS#:7271-45-6

Literature: Journal of Heterocyclic Chemistry, , vol. 21, p. 1689 - 1698
1-propanoyl-3-thiosemicarbazide structure

1-propanoyl-3-t...

CAS#:20953-13-3

~%

5-ethyl-1,3,4-thiadiazol-2-amine Structure

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

CAS#:14068-53-2

Literature: Yakugaku Zasshi, , vol. 72, p. 376 Chem.Abstr., , p. 3856
N/A structure

N/A

CAS#:41837-55-2

~%

5-ethyl-1,3,4-thiadiazol-2-amine Structure

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

CAS#:14068-53-2

Literature: Bulletin of the Chemical Society of Japan, , vol. 47, p. 2813 - 2817
Thiosemicarbazide structure

Thiosemicarbazide

CAS#:79-19-6

1,1,1-Triethoxypropane structure

1,1,1-Triethoxy...

CAS#:115-80-0

~%

5-ethyl-1,3,4-thiadiazol-2-amine Structure

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

CAS#:14068-53-2

Literature: Journal of the American Chemical Society, , vol. 78, p. 1973
N-(5-ethyl-1,3,4-thiadiazol-2-yl)propanamide structure

N-(5-ethyl-1,3,...

CAS#:25958-42-3

~%

5-ethyl-1,3,4-thiadiazol-2-amine Structure

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

CAS#:14068-53-2

Literature: Archiv der Pharmazie (Weinheim, Germany), , p. 53,61
(propylideneamino)thiourea structure

(propylideneami...

CAS#:22042-87-1

~%

5-ethyl-1,3,4-thiadiazol-2-amine Structure

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

CAS#:14068-53-2

Literature: Farmaco, Edizione Scientifica, , vol. 13, p. 187,196

 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%

 Synonyms

2-Amino-5-ethyl-1,3,4-thiadiazole
5-Ethyl-1,3,4-thiadiazol-2-amine
EINECS 237-921-4
MFCD00003111
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