Benzoin

CAS Number

119-53-9

EC Number

204-331-3

FEMA Number

FEMA 2132

What is Benzoin?

Benzoin (CAS 119-53-9) is an aromatic carbonyl compound sourced from natural resin or produced synthetically for industrial use. FEMA 2132.

Coatings, adhesives and printing inks: photoinitiator
UV-curable systems: absorbs UV radiation to trigger free-radical polymerization, curing resin systems rapidly without heat
Food and beverage: flavoring agent imparting sweet, balsamic and vanilla-adjacent notes in confectionery, baked goods and beverages
Personal care: fragrance in perfumes, soaps and cosmetic preparations
In polymer processing it also acts as an antioxidant and stabilizer during high-temperature compounding.

2-hydroxy-1,2-diphenylethanone|(+/-)-benzoin

Melting Point 137 °C

Boiling Point 344 °C @ Press: 760.0 Torr

Density 1.310 g/cm³

Flash Point 181 °C

Appearance light yellow powder or crystals with a camphor-like odour

Color Off-white to very slightly yellow

Odor agreeable vanilla-like odor

Form Powder

Water Solubility Soluble in chlorine. Slightly soluble in water, ethanol and ether.

Vapor Pressure 1.3 hPa (136 °C)

Log P 1.84-2.13 at 25℃

HS Code 29144090

WGK (Germany) 2