2-Ethyl-1,3-thiazole-5-carboxylic acid

Modify Date: 2025-08-25 16:35:26

2-Ethyl-1,3-thiazole-5-carboxylic acid Structure
2-Ethyl-1,3-thiazole-5-carboxylic acid structure
Common Name 2-Ethyl-1,3-thiazole-5-carboxylic acid
CAS Number 30709-68-3 Molecular Weight 157.19000
Density 1.337g/cm3 Boiling Point 305.1ºC at 760 mmHg
Molecular Formula C6H7NO2S Melting Point N/A
MSDS N/A Flash Point 138.3ºC

 Names

Name 2-Ethyl-1,3-thiazole-5-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.337g/cm3
Boiling Point 305.1ºC at 760 mmHg
Molecular Formula C6H7NO2S
Molecular Weight 157.19000
Flash Point 138.3ºC
Exact Mass 157.02000
PSA 78.43000
LogP 1.40370
Index of Refraction 1.581
InChIKey BJGZHUDNXRHBKD-UHFFFAOYSA-N
SMILES CCc1ncc(C(=O)O)s1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XJ3675462
CHEMICAL NAME :
5-Thiazolecarboxylic acid, 2-ethyl-
CAS REGISTRY NUMBER :
30709-68-3
LAST UPDATED :
199806
DATA ITEMS CITED :
2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4045567
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
525 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4045567

 Safety Information

HS Code 2934100090

 Synthetic Route

~%

2-Ethyl-1,3-thiazole-5-carboxylic acid Structure

2-Ethyl-1,3-thi...

CAS#:30709-68-3

Literature: Roussel Uclaf Patent: US4045567 A1, 1977 ;

 Customs

HS Code 2934100090
Summary 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

 Synonyms

2-ethyl-5-carboxythiazole
2-Aethyl-thiazol-5-carbonsaeure
5-Thiazolecarboxylic acid,2-ethyl
2-ethyl-thiazole-5-carboxylic acid
2-Ethyl-5-thiazolecarboxylic acid
2-Ethyl-5-thiazolcarbonsaeure
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