4,5-Dimethyl-1,3-thiazole

Basic Information

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CAS Number

3581-91-7

Molecular Formula

C5H7NS

Molecular Weight

113.18 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

83-84 C

Boiling Point

159°C

Refractive Index

n20/D 1.521(lit.)

SMILES

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Cc1ncsc1C

InChI

InChI=1S/C5H7NS/c1-4-5(2)7-3-6-4/h3H,1-2H3

InChIKey

UWSONZCNXUSTKW-UHFFFAOYSA-N

LogP

1.75994

Topological Polar Surface Area

12.89 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

65.099

Safety Information

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GHS Hazard Pictograms

H226

H302

H315

H318

H335

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H318 Causes serious eye damage
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 3 Class 3

Synonyms & References

English

4,5-Dimethylthiazole
4,5-dimethyl-1,3-thiazole
4,5-Dimethyl-thiazol
EINECS 222-703-3
FEMA No. 3274
Thiazole,4,5-dimethyl
Thiazole, 4,5-dimethyl-
4,5-dimethyl-thiazole
4,5-dimethyl thiazole
U3RP5I088G
UWSONZCNXUSTKW-UHFFFAOYSA-N
PubChem9938
dimethylthiazole, 4,5-
KSC225A1B
FEMA 3274
4,5-Dimethyl-1,3-thiazole #
4,5-Dimethylth
4,5-Dimethyl-1,3-thiazole

MDL Number

MFCD00005336

Customs Code

2934100090

FAQ

What is 4,5-Dimethyl-1,3-thiazole (CAS: 3581-91-7)?

4,5-Dimethyl-1,3-thiazole is a heterocyclic organic compound with the CAS number 3581-91-7. It has the molecular formula C6H7NS and is characterized by its thiadiazole ring system. This compound is aromatic and exhibits a faint odor similar to that of thiophene.

What are the main uses of 4,5-Dimethyl-1,3-thiazole (CAS: 3581-91-7)?

4,5-Dimethyl-1,3-thiazole (CAS: 3581-91-7) is widely used in the synthesis of various pharmaceuticals, pesticides, and dyes. It also serves as an intermediate in the production of other organic compounds and is often utilized in research for its unique chemical properties.

Is 4,5-Dimethyl-1,3-thiazole (CAS: 3581-91-7) safe?

4,5-Dimethyl-1,3-thiazole is generally considered safe when handled with appropriate precautions. However, it is important to follow safety guidelines, including wearing appropriate personal protective equipment (PPE) such as gloves and goggles, and avoiding inhalation and skin contact. Storage should be in a cool, dry place away from sources of ignition.

How should 4,5-Dimethyl-1,3-thiazole (CAS: 3581-91-7) be stored?

4,5-Dimethyl-1,3-thiazole (CAS: 3581-91-7) should be stored in a tightly sealed container in a cool, dry place, away from direct sunlight and sources of ignition. The temperature should be maintained below 25°C to prevent degradation. Proper ventilation is recommended to avoid the accumulation of flammable vapor.