Benzoin

ChemicalBook > CAS DataBase List > 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 Yanxi Chemical Co., Ltd.

Product: Benzoin 119-53-9
Price: US $20.00-5.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 20 tons
Release date: 2023-09-28

Hebei Guanlang 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: 2022-12-30

Hebei Guanlang 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: 2023-04-24

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