4-Hexen-3-one, predominantly trans , 98%,trans-isomer>95% , 2497-21-4

Synonym(s):
4-Hexen-3-one, predominantly trans

CAS NO.：2497-21-4

Empirical Formula: C6H10O

Molecular Weight: 98.14

MDL number: MFCD00010631

EINECS: 219-681-2

PRODUCT Properties

• Melting point: -71.05°C (estimate)
• Boiling point: 135-137 °C (lit.)
• Density: 0.858 g/mL at 25 °C (lit.)
• FEMA: 3352 | 4-HEXENE-3-ONE
• refractive index: n20/D 1.44(lit.)
• Flash point: 94 °F
• storage temp.: Sealed in dry,Room Temperature
• Specific Gravity: 0.855
• Odor: at 1.00 % in propylene glycol. pungent ethereal spicy green tropical metallic
• Odor Type: acidic
• biological source: synthetic
• JECFA Number: 1125
• LogP: 1.09
• CAS DataBase Reference: 2497-21-4
• EPA Substance Registry System: 4-Hexen-3-one (2497-21-4)

Description and Uses

May be synthesized by hydration of 4-hexen-2-yne aqueous H2S04/HgS04; by hydrogenation of 2-hexen-5-yn-4-one over PdCaC03 catalyst in methanol.

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Warning
• Hazard statements: H226-H302-H315-H319-H335
• Precautionary statements: P210-P301+P312+P330-P302+P352-P305+P351+P338
• Hazard Codes: Xn
• Risk Statements: 10-22-36/37/38
• Safety Statements: 16-26-36/37/39
• RIDADR: UN 1224 3/PG 3
• WGK Germany: 3
• RTECS: MP8659900
• TSCA: Yes
• HazardClass: 3
• PackingGroup: III
• HS Code: 29141990