4-甲基5-乙烯基噻唑

Description

4-METHYL-5-VINYLTHIAZOLE is identified by CAS 1759-28-0, molecular formula C6H7NS and molecular weight 125.03 g/mol. UNII 1G77935P78; InChIKey QUAMMXIRDIIGDJ-UHFFFAOYSA-N. Boiling Point: 78-80 °C (25 mm Hg); Melting Point: -15 °C; Density: 1.091-1.095.

Identification

CAS Registry Number	1759-28-0
PubChem CID	15654
Molecular formula	C6H7NS
Molecular weight	125.03 g/mol
IUPAC name	5-ethenyl-4-methyl-1,3-thiazole
InChIKey	QUAMMXIRDIIGDJ-UHFFFAOYSA-N
UNII (FDA)	1G77935P78
FEMA number	3313
JECFA number	1038

Computed Descriptors

Molecular Weight	125.19
XLogP3	2.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	125.02992040
Monoisotopic Mass	125.02992040
Topological Polar Surface Area	41.1
Heavy Atom Count	8
Formal Charge	0

Physical & Chemical Properties

Boiling Point	78-80 °C (25 mm Hg)
Melting Point	-15 °C
Density	1.091-1.095
Refractive Index	1.560-1.570

Physical description & handling notes

• Liquid
• Colourless liquid; nutty, cocoa-like odour
• Soluble in organic solvents
• Miscible at room temperature (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Cocoa, Fat, Nut, Popcorn, Roast No safety concern at current levels of intake when used as a flavouring agent

GHS Hazard Classification

Reported hazard statements	H302 (100%)

Documented Uses

• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• Thiazole, 5-ethenyl-4-methyl-: ACTIVE

Synonyms

4-METHYL-5-VINYLTHIAZOLE; 1759-28-0; Thiazole, 5-ethenyl-4-methyl-; 5-ethenyl-4-methyl-1,3-thiazole; 5-Ethenyl-4-methylthiazole; Thiazole, 4-methyl-5-vinyl-; FEMA No. 3313; 1G77935P78; DTXSID5061952; RefChem:525369; DTXCID9035591; 217-160-4; 4-Methyl-5-vinyl thiazole; Vinylsulfurol; vinyl sulfurol; 5-Vinyl-4-methylthiazole

Frequently Asked Questions

What are the CAS number and molecular formula of 4-METHYL-5-VINYLTHIAZOLE?

CAS 1759-28-0; molecular formula C6H7NS; molecular weight 125.03 g/mol.

What other names is 4-METHYL-5-VINYLTHIAZOLE known by?

4-METHYL-5-VINYLTHIAZOLE, 1759-28-0, Thiazole, 5-ethenyl-4-methyl-, 5-ethenyl-4-methyl-1,3-thiazole, 5-Ethenyl-4-methylthiazole, Thiazole, 4-methyl-5-vinyl-.

What is the regulatory status of 4-METHYL-5-VINYLTHIAZOLE?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is 4-METHYL-5-VINYLTHIAZOLE classified as hazardous?

Hazard statements reported: H302.

What are the key physical properties of 4-METHYL-5-VINYLTHIAZOLE?

Boiling Point: 78-80 °C (25 mm Hg); Melting Point: -15 °C; Density: 1.091-1.095; Refractive Index: 1.560-1.570.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.