2,5-Dimethylthiophene , >98.0%(GC) , 638-02-8

Synonym(s):
NSC 60689

CAS NO.：638-02-8

Empirical Formula: C6H8S

Molecular Weight: 112.19

MDL number: MFCD00005452

EINECS: 211-313-9

PRODUCT Properties

• Melting point: -63°C
• Boiling point: 134 °C/740 mmHg (lit.)
• Density: 0.985 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.512(lit.)
• Flash point: 75 °F
• storage temp.: Keep in dark place,Inert atmosphere,Room temperature
• form: Liquid
• Specific Gravity: 0.985
• color: Clear colorless to slightly yellow
• Odor: at 0.10 % in propylene glycol. nutty sulfury
• Odor Type: sulfurous
• biological source: synthetic
• Water Solubility: Insoluble in water. Soluble in alcohol, ether and benzene.
• BRN: 106450
• InChIKey: GWQOOADXMVQEFT-UHFFFAOYSA-N
• LogP: 2.523 (est)
• CAS DataBase Reference: 638-02-8(CAS DataBase Reference)
• NIST Chemistry Reference: Thiophene, 2,5-dimethyl-(638-02-8)
• EPA Substance Registry System: 2,5-Dimethylthiophene (638-02-8)

Description and Uses

2,5-Dimethylthiophene is used as an intermediate in organic synthesis.

Safety

• Symbol(GHS): GHS02
• Signal word: Warning
• Hazard statements: H226
• Precautionary statements: P210-P403+P235
• Hazard Codes: Xn,F,Xi
• Risk Statements: 10-37-20/22
• Safety Statements: 23-24/25-16-36-33-29-7/9-3/7/9
• RIDADR: UN 1993 3/PG 3
• WGK Germany: 3
• HazardClass: 3
• PackingGroup: II
• HS Code: 29349990
• Limited Quantities: 5.0 L (1.3 gallons) (liquid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)