English name

3,4-Hexanedione

CAS No.

4437-51-8

UN No.

1224

EINECS accession No.

224-651-7

FEMA accession No.

3168

Molecular formula

C6H10O2

Chemical formula

Molecular weight

114.14

Safety instruction

S16： Keep away from fire.
     S26：Once contact occurs with eyes,flush immediately with plenty of  water ,and hospital treatment.
     S37/39：
     Wear appropriate protective clothing and gloves

Dangerous mark

Xn：
     Harmful substance

Risk code

R10： Inflammable
     R20： Harmful to inhalation
     R36/38：Irritant to eyes and skin

physical and chemical indexes

Color

Yellow oily liquid

Flash point

27℃

Melting point

－10℃

Boiling Point

130℃

Relative density

(d4)0.946

Refractive index

(nD)1.4110

Storage temp.

Flavor

Creamy, slightly unpleasant, pungent smell

Solubility

It is insoluble in water, soluble in ethanol and oil, and extremely soluble in propylene glycol.

Application

Permitted flavors for food in GB 2760—1996

Recommended dosage

FEMA：Soft drink, cold drink, candy, jelly, pudding，10.0mg/kg

Storage

Generally, it is not harmful to water. Do not discharge the materials into the surrounding environment without the permission of the government; keep them in a dry and airtight place away from light.