4-Methylthiazole , 99% , 693-95-8

CAS NO.：693-95-8

Empirical Formula: C4H5NS

Molecular Weight: 99.15

MDL number: MFCD00005340

EINECS: 211-764-1

PRODUCT Properties

• Melting point: 134 °C
• Boiling point: 133-134 °C (lit.)
• Density: 1.09 g/mL at 25 °C (lit.)
• FEMA: 3716 | 4-METHYLTHIAZOLE
• refractive index: n20/D 1.524(lit.)
• Flash point: 90 °F
• storage temp.: Inert atmosphere,2-8°C
• pka: pK1:3.16(+1) (25°C,μ=0.1)
• form: Liquid
• Specific Gravity: 1.090
• color: Clear colorless to slightly yellow
• Odor: at 0.10 % in dipropylene glycol. nutty green vegetable tomato
• Odor Type: nutty
• biological source: synthetic
• JECFA Number: 1043
• BRN: 105228
• InChIKey: QMHIMXFNBOYPND-UHFFFAOYSA-N
• LogP: 0.90
• CAS DataBase Reference: 693-95-8(CAS DataBase Reference)
• NIST Chemistry Reference: 4-Methylthiazole(693-95-8)
• EPA Substance Registry System: Thiazole, 4-methyl- (693-95-8)

Description and Uses

4-Methylthiazole has a nutty, green odor.

4-Methylthiazole was used in the synthesis of catalytic dendrophanes, as functional mimics of the thiamine-diphosphate-dependent enzyme pyruvate oxidase. It was used in small scale preparation of 3-butyl-4-methylthiazolium bromide.

Safety

• Symbol(GHS): GHS02,GHS05,GHS07
• Signal word: Danger
• Hazard statements: H226-H302-H315-H318-H335
• Precautionary statements: P261-P280-P305+P351+P338
• Hazard Codes: Xn,Xi
• Risk Statements: 10-22-37/38-41
• Safety Statements: 16-26-39
• RIDADR: UN 1993 3/PG 3
• WGK Germany: 3
• RTECS: XJ5096000
• TSCA: T
• HazardClass: 3
• PackingGroup: III
• HS Code: 29341000
• Hazardous Substances Data: 693-95-8(Hazardous Substances Data)
• Limited Quantities: 5.0 L (1.3 gallons) (liquid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)