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418099

Benzaldehyde

purified by redistillation, ≥99.5%

Synonyme(s) :

Huile essentielle artificielle d’amandes

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A propos de cet article

Formule linéaire :
C6H5CHO
Numéro CAS:
100-52-7
Poids moléculaire :
106.12
NACRES:
NA.22
PubChem Substance ID:
24866203
eCl@ss:
39023701
UNSPSC Code:
12352100
EC Number:
202-860-4
MDL number:
MFCD00003299
Beilstein/REAXYS Number:
471223
Assay:
≥99.5%
Bp:
178-179 °C (lit.)
Vapor pressure:
4 mmHg ( 45 °C)
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vapor density

3.7 (vs air)

Quality Level

200

vapor pressure

4 mmHg ( 45 °C)

assay

≥99.5%

form

liquid

autoignition temp.

374 °F

purified by

redistillation

expl. lim.

1.4 %, 20 °F

refractive index

n20/D 1.545 (lit.)

pH

5.9 (20 °C)

bp

178-179 °C (lit.)

mp

−26 °C (lit.)

density

1.044 g/cm3 at 20 °C (lit.)

functional group

aldehyde, phenyl

SMILES string

O=Cc1ccccc1

InChI

1S/C7H6O/c8-6-7-4-2-1-3-5-7/h1-6H

InChI key

HUMNYLRZRPPJDN-UHFFFAOYSA-N

General description

Benzaldehyde (bitter-almond oil) is an aromatic compound commonly used in the cosmetics and flavor industries. The natural source of benzaldehyde is amygdalin, a glycoside found in apricots, bitter almonds, apples, cherries etc. Benzaldehyde is commercially produced by liquid phase chlorination and oxidation of toluene. Other methods reported to produce benzaldehyde include oxidation of benzyl alcohol, hydrolysis of benzal chloride and carbonylation of benzene.

Application

Benzaldehyde can be used as a precursor to synthesize:
  • Cinnamaldehyde, cinnamic acid, ethyl cinnamate, benzoic acid, benzyl alcohol, benzyl benzoate and hydrobenzamide etc.
  • Triphenylmethane derivatives by condensation with phenols, aromatic amines, and benzene. This reaction is useful for the production of malachite green dyes.
  • Benzoylborane by reacting with borylmagnesium bromides.
  • Multi-benzaldehyde functionalized poly(ethylene glycol) analog which is used as a cross-linker to develop an injectable hydrogel system.

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Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Classe de stockage

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

145.4 °F - closed cup

flash_point_c

63 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificats d'analyse (COA)

Lot/Batch Number
SHBS6470
SHBQ5592
SHBP4234
SHBN1382
SHBL0557

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Consulter la Bibliothèque de documents

An injectable hydrogel formed by in situ cross-linking of glycol chitosan and multi-benzaldehyde functionalized PEG analogues for cartilage tissue engineering
Cao L, et al.
Journal of materials chemistry. B, 3(7), 1268-1280 (2015)
Synthesis, structure of borylmagnesium, and its reaction with benzaldehyde to form benzoylborane
Yamashita M, et al.
Journal of the American Chemical Society, 129(31), 9570-9571 (2007)
Highly selective oxidation of benzyl alcohol to benzaldehyde catalyzed by bimetallic gold?copper catalyst
Della Pina C, et al.
J. Catal., 260(2), 384-386 (2008)
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