Benzoin

CAS No. 119-53-9

Formula: C14H12O2
Basic Info

Benzoin is an organic compound with the formula PhCH(OH)C(O)Ph. It is a hydroxy ketone attached to two phenyl groups. It appears as off-white crystals, with a light camphor-like odor. Benzoin is synthesized from benzaldehyde in the benzoin condensation. It is chiral and it exists as a pair of enantiomers: (R)-benzoin and (S)-benzoin.
Benzoin is not a constituent of benzoin resin obtained from the benzoin tree (Styrax) or tincture of benzoin. The main component in these natural products is benzoic acid.

Formula
C14H12O2
Molecular Weight
212.244
Exact Mass
212.084
LogP
2.6029
PSA
37.3
Synonyms

2-Hydroxy-2-Phenylacetophenone

BENZOIN GUM

desyl alcohol

2-hydroxy-1,2-diphenyl ethanone

AURORA KA-7034

1,2-diphenyl-2-hydroxyethanone

Chc11,Benzoin

2-Hydroxy-1,2-diphenylethanone

α-Hydroxybenzyl phenyl ketone

FEMA 2132

Benzoin Zone Refined

α-Hydroxy-α-phenylacetophenone

Persian balsam

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Properties
Appearance & Physical State
light yellow powder or crystals with a camphor-like odour
Density
1.31
Boiling Point
194ºC (12 mmHg)
Melting Point
134-136ºC
Flash Point
154.8ºC
Refractive Index
1.609
Stability
Stable. Combustible. Incompatible with strong oxidizing agents.
Storage Condition
2-8ºC
Vapor Pressure
2.78E-05mmHg at 25°C
Safety Info
RTECS
DI1590000
Safety Statements
S24/25
WGK Germany
2
Risk Statements
R20/21/22; R36/37/38
HS Code
2914400090
Hazard Codes
Spectrum
NMR Spectrum 1H NMR : Predict
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Mass Spectrum Mass spectrum (electron ionization)
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Related Compound Information

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