2,2,6-Trimethyl-4H-1,3-dioxin-4-one , 95% , 5394-63-8

Synonym(s):
Diketene acetone adduct;TMD

CAS NO.：5394-63-8

Empirical Formula: C7H10O3

Molecular Weight: 142.15

MDL number: MFCD00040468

EINECS: 226-403-3

PRODUCT Properties

• Melting point: 12-13 °C(lit.)
• Boiling point: ~275 °C(lit.)
• Density: 1.07 g/mL at 25 °C(lit.)
• refractive index: n20/D 1.460(lit.)
• Flash point: 67 °F
• storage temp.: 2-8°C
• solubility: water: insoluble
• form: Liquid
• color: Dark brown
• Water Solubility: practically insoluble
• BRN: 2408
• Exposure limits: ACGIH: TWA 250 ppm; STEL 500 ppm; OSHA: TWA 1000 ppm(2400 mg/m3); NIOSH: IDLH 2500 ppm; TWA 250 ppm(590 mg/m3)
• InChI: InChI=1S/C7H10O3/c1-5-4-6(8)10-7(2,3)9-5/h4H,1-3H3
• InChIKey: XFRBXZCBOYNMJP-UHFFFAOYSA-N
• SMILES: O1C(C)=CC(=O)OC1(C)C
• CAS DataBase Reference: 5394-63-8(CAS DataBase Reference)

Description and Uses

Diketene-Acetone Adduct can be used in place of diketene in many reactions. As a transportable form of diketene, it is especially important in those countries, where the transportation of diketene is not allowed or at least not desired.

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Danger
• Hazard statements: H225-H319
• Precautionary statements: P210-P305+P351+P338
• Hazard Codes: F,Xi
• Risk Statements: 11-36/37/38-36
• Safety Statements: 16-26-27-36/37/39-9-33
• RIDADR: UN 1993 3/PG 2
• WGK Germany: 3
• HazardClass: 3
• PackingGroup: II
• HS Code: 29329995
• Limited Quantities: 1.0 L (0.3 gallon) (liquid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)