ChemicalBook > CAS DataBase List > Benzoin

Benzoin

Product Name
Benzoin
CAS No.
119-53-9
Chemical Name
Benzoin
Synonyms
2-HYDROXY-2-PHENYLACETOPHENONE;BENZOIN SUMATRA;Benzoin, 99.5%;2-HYDROXY-1,2-DIPHENYLETHANONE;FEMA 2132;Benzoin, AR;BENZOIN GUM;A-HYDROXYBENZYL PHENYL KETONE;A-HYDROXY-A-PHENYLACETOPHENONE;2-Hydroxy-1,2-diphenylethan-1-on
CBNumber
CB1359956
Molecular Formula
C14H12O2
Formula Weight
212.24
MOL File
119-53-9.mol
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Benzoin Property

Melting point:
134-138 °C(lit.)
Boiling point:
194 °C12 mm Hg(lit.)
Density 
1.31
vapor pressure 
1.3 hPa (136 °C)
FEMA 
2132 | BENZOIN
Flash point:
181
storage temp. 
Store below +30°C.
solubility 
0.3g/l
form 
Powder
pka
12.28±0.20(Predicted)
color 
Off-white to very slightly yellow
Odor
agreeable vanilla-like odor
Odor Type
balsamic
Water Solubility 
Soluble in chlorine. Slightly soluble in water, ethanol and ether.
Sensitive 
Moisture Sensitive
Merck 
14,1093
JECFA Number
836
BRN 
391839
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey
ISAOCJYIOMOJEB-UHFFFAOYSA-N
LogP
1.84-2.13 at 25℃
CAS DataBase Reference
119-53-9(CAS DataBase Reference)
NIST Chemistry Reference
Ethanone, 2-hydroxy-1,2-diphenyl-(119-53-9)
EPA Substance Registry System
Benzoin (119-53-9)
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Safety

Hazard Codes 
Xn
Risk Statements 
20/21/22-36/37/38
Safety Statements 
24/25-36-26
WGK Germany 
2
RTECS 
DI1590000
TSCA 
Yes
HS Code 
29144090
Hazardous Substances Data
119-53-9(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 10000 mg/kg LD50 dermal Rabbit 8870 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.01776
Product name
Benzoin
Purity
for synthesis
Packaging
250g
Price
$43.4
Updated
2024/03/01
Sigma-Aldrich
Product number
8.01776
Product name
Benzoin
Purity
for synthesis
Packaging
1kg
Price
$111
Updated
2024/03/01
Sigma-Aldrich
Product number
399396
Product name
Benzoin
Purity
purified by sublimation, ≥99.5%
Packaging
5g
Price
$77
Updated
2024/03/01
Sigma-Aldrich
Product number
80024
Product name
Benzoin
Purity
analytical standard
Packaging
100mg
Price
$58.6
Updated
2022/05/15
TCI Chemical
Product number
B0079
Product name
Benzoin
Purity
>98.0%(GC)
Packaging
25g
Price
$23
Updated
2024/03/01
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Benzoin Chemical Properties,Usage,Production

Chemical Properties

light yellow powder or crystals with a camphor-like odour

Chemical Properties

Benzoin has a faint, sweet, balsamic odor.

Occurrence

Benzoin is a resin from the trees of genus Styrax.

Uses

Benzoin is used as a flavor, antiseptic and photopolymerization catalyst. It is also used as a raw material in organic syntheses. It serves as a precursor to benzil, which is a photoinitiator. Further, it is used as degassing agent for powder coatings. In addition to this, it is used as an additive and in powder coating to remove the pinhole phenomenon.

Uses

Degassing for powder coatings

Uses

benzoin is a fragrant essential oil with bactericidal, anti-irritation, and anti-itching properties. It is considered a good ingredient for reducing skin redness and is a preservative of fats. Although its primary constituent is benzoic acid, it also contains canillin and an oily aromatic liquid. This balsamic resin is extracted by cutting deeply into the trunks of trees that grow primarily in Indonesia and Thailand.

Definition

ChEBI: A ketone that consists of acetophenone bearing hydroxy and phenyl substituents at the alpha-position. The parent of the class of benzoins.

Definition

benzoin: A colourless crystallinecompound, C6H5CHOHCOC6H5; m.p.137°C. It is a condensation product ofbenzenecarbaldehyde (benzaldehyde),made by the action of sodiumcyanide on benzenecarbaldehyde inalcoholic solution. It also occurs naturallyas the resin of a tropical tree. Itis both a secondary alcohol and a ketone,and gives reactions characteristicof both types of compound.

Taste threshold values

Taste characteristics at 25 ppm: spicy, balsamic, resinous, fruity with an herbal nuance.

General Description

Off-white to yellow-white crystalline solid with an odor of camphor. Slightly acrid taste. When broken the fresh surfaces have a milky-white color.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

2-Hydroxy-2-phenylacetophenone is sensitive to heat and light. 2-Hydroxy-2-phenylacetophenone is incompatible with oxidizers. 2-Hydroxy-2-phenylacetophenone reduces Fehling's solution.

Hazard

Highly toxic.

Fire Hazard

Flash point data for 2-Hydroxy-2-phenylacetophenone are not available; however, 2-Hydroxy-2-phenylacetophenone is probably combustible.

Safety Profile

Slightly toxic by ingestion andskin contact. Mutation data reported. A flammable liquid.When heated to decomposition it emits acrid smoke andirritating fumes.

Synthesis

It may be prepared by condensation of benzaldehyde with an alkali cyanide and used in organic synthesis.

Purification Methods

Crystallise benzoin from CCl4, hot EtOH (8mL/g), or 50% acetic acid. Also crystallise it from high purity *benzene, then twice from high purity MeOH, to remove fluorescent impurities [Elliott & Radley Anal Chem 33 1623 1961]. It can be sublimed. [Beilstein 8 IV 1279.]

Benzoin Preparation Products And Raw materials

Raw materials

Preparation Products

4,5-DIPHENYL-2-IMIDAZOLETHIOL Benzil
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View Lastest Price from Benzoin manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Benzoin 119-53-9
Price
US $120.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-29
Hebei Weibang Biotechnology Co., Ltd
Product
Benzoin 119-53-9
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-31
Hebei Chuanghai Biotechnology Co,.LTD
Product
Benzoin 119-53-9
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-20

119-53-9, BenzoinRelated Search:

BENZOIN ISOBUTYL ETHER BENZOIN ISOPROPYL ETHER BENZOIN METHYL ETHER,Methyl benzoin ether ALPHA-HYDROXY-ALPHA-METHYLBENZYL PHENYL KETONE ANISOIN DIETHOXYPHENYLACETOPHENONE 2,2-Dimethoxy-2-phenylacetophenone Benzoin BENZOIN ACETATE,[R,(-)]-Benzoin α-acetate 4-Fluorobenzoic acid BENZOIN GUM SIAM,BENZOIN GUM, SUMATRA,BENZOIN GUM RESIN,BENZOIN GUM,ALPHA-HYDROXY-ALPHA-PHENYLACETOPHENONE,A-HYDROXY-A-PHENYLACETOPHENONE Methyl benzoate Benzoin 2',4'-Dihydroxy-2-phenylacetophenone Benzoic acid 3-Bromobenzoic acid 2-Phenylacetophenone 3-Hydroxybenzoic acid

  • 2-Hydroxy-1,2-diphenylethan-1-on
  • PHENYLBENZOYLCARBINOL
  • 2-hydroxy-1,2-diphenyl-ethanon
  • 2-hydroxy-2-phenyl-acetophenon
  • Acetophenone, 2-hydroxy-2-phenyl-
  • Bitter almond oil camphor
  • bitteralmondoilcamphor
  • bitter-almond-oilcamphor
  • Ethanone,2-hydroxy-1,2-diphenyl
  • Ethanone,2-hydroxy-1,2-diphenyl-
  • Fenyl-alpha-hydroxybenzylketon
  • Hydroxy-2-phenyl acetophenone
  • Ketone, alpha-hydroxybenzyl phenyl
  • Oxaprozin Impurity 7
  • Benzoin, 99.5%
  • Benzoin, AR
  • Phenytoin Sodium ImpurityⅠ:Benzoin(2-Hydroxy-1,2-diphenylethanone)
  • 4-(5-amino-2-pyridinyl)-1-piperazinecarboxylic acid tert-butyl ester
  • ketone,alpha-hydroxybenzylphenyl
  • NCI-C50011
  • Persian balsam
  • Phenyl-alpha-hydroxybenzyl ketone
  • Wy 42956
  • wy-42956
  • α-Hydroxybenzylphenylketone
  • α-Hydroxy-αphenylacetophenone
  • BENZOIN extrapure
  • α-Hydroxy-α-phenylacetophenone, α-Hydroxybenzyl phenyl ketone, 2-Hydroxy-2-phenylacetophenone
  • Benzoin Zone Refined (number of passes:40)
  • (2S)-1,2-Diphenyl-2-hydroxyethanone
  • (S)-1,2-Diphenyl-2-hydroxyethanone
  • (S)-α-Hydroxydeoxybenzoin
  • (S)-α-Hydroxy-α-phenylacetophenone
  • [S,(+)]-α-Hydroxy-α-phenylacetophenone
  • Benzoin Zone Refined (number of passes:50)
  • Benzoin, synthesis grade
  • Benzoin,α-Hydroxy-α-phenylacetophenone, α-Hydroxybenzyl phenyl ketone, 2-Hydroxy-2-phenylacetophenone
  • Benzoin Zone Refined
  • Benzoin USP of Siam origin
  • Benzoin, 98% 100GR
  • 2-HYDROXY-1,2-DIPHENYLETHANONE
  • 2-HYDROXY-1,2-DIPHENYETHANONE
  • 2-HYDROXY-2-PHENYLACETOPHENONE
  • A-HYDROXY-A-PHENYLACETOPHENONE
  • A-HYDROXYBENZYL PHENYL KETONE
  • ALPHA-HYDROXY-ALPHA-PHENYLACETOPHENONE
  • ALPHA-HYDROXYBENZYL PHENYL KETONE
  • ALPHA-HYDROXY-PHENYLACETOPHENONE
  • 1,2-DIPHENYL-2-HYDROXYETHANONE
  • BENZOIN SUMATRA
  • BENZOIN GUM
  • BENZOIN GUM RESIN
  • BENZOIN GUM SIAM
  • BENZOIN GUM, SUMATRA
  • BENZOYLPHENYLCARBINOL
  • AURORA KA-7034
  • FEMA 2132
  • PHENYL 2-HYDROXYBENZYL KETONE