4,5-Dimethylthiazole

Modify Date: 2024-01-02 18:10:11

4,5-Dimethylthiazole Structure
4,5-Dimethylthiazole structure
Common Name 4,5-Dimethylthiazole
CAS Number 3581-91-7 Molecular Weight 113.181
Density 1.1±0.1 g/cm3 Boiling Point 158.1±9.0 °C at 760 mmHg
Molecular Formula C5H7NS Melting Point 83-84ºC
MSDS Chinese USA Flash Point 51.1±0.0 °C
Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07
Signal Word Danger

 Names

Name 4,5-dimethyl-1,3-thiazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 158.1±9.0 °C at 760 mmHg
Melting Point 83-84ºC
Molecular Formula C5H7NS
Molecular Weight 113.181
Flash Point 51.1±0.0 °C
Exact Mass 113.029922
PSA 41.13000
LogP 1.36
Vapour Pressure 3.5±0.3 mmHg at 25°C
Index of Refraction 1.531

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XJ4380000
CHEMICAL NAME :
Thiazole, 4,5-dimethyl-
CAS REGISTRY NUMBER :
3581-91-7
BEILSTEIN REFERENCE NO. :
0105694
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C5-H7-N-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
960 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - chromodacryorrhea Lungs, Thorax, or Respiration - dyspnea Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,95,1990

 Safety Information

Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07
Signal Word Danger
Hazard Statements H226-H302-H315-H318-H335
Precautionary Statements P261-P280-P305 + P351 + P338
Hazard Codes Xn:Harmful
Risk Phrases R10;R22;R36/37/38
Safety Phrases S16-S26-S39-S37/39
RIDADR UN 1993 3/PG 3
WGK Germany 3
RTECS XJ4380000
Packaging Group III
Hazard Class 3
HS Code 2934100090

 Synthetic Route

 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%

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 Synonyms

EINECS 222-703-3
FEMA No. 3274
4,5-Dimethyl-thiazol
4-27-00-00986 (Beilstein Handbook Reference)
MFCD00005336
4,5-Dimethyl-1,3-thiazole
Thiazole,4,5-dimethyl
4,5-Dimethylthiazole
Thiazole, 4,5-dimethyl-
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