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B1334

Sigma-Aldrich

Benzaldehyde

ReagentPlus®, ≥99%

Sinonimo/i:

Bitter almond

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About This Item

Formula condensata:
C6H5CHO
Numero CAS:
100-52-7
Peso molecolare:
106.12
Beilstein:
471223
Numero CE:
202-860-4
Numero MDL:
MFCD00003299
Codice UNSPSC:
12352100
eCl@ss:
39023701
ID PubChem:
57653918

Densità del vapore

3.7 (vs air)

Livello qualitativo

200

Tensione di vapore

4 mmHg ( 45 °C)

Nome Commerciale

ReagentPlus®

Saggio

≥99%

Forma fisica

liquid

Temp. autoaccensione

374 °F

Limite di esplosione

1.4 %, 20 °F

Indice di rifrazione

n20/D 1.545 (lit.)

pH

5.9 (20 °C)

P. eboll.

178-179 °C (lit.)

Punto di fusione

−26 °C (lit.)

Densità

1.044 g/cm3 at 20 °C (lit.)

Stringa SMILE

O=Cc1ccccc1

InChI

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

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Categorie correlate

Descrizione generale

Benzaldehyde is an aromatic aldehyde. Rotational transitions in benzaldehyde have been explained based on its microwave absorption spectrum. The conversion of benzaldehyde into reduced compounds in the presence of metal oxides has been studied. SmFeO3 (perovskite-type oxide catalyst) catalyzed cyanosilylation reaction of benzaldehyde with trimethylsilyl cyanide (TMSCN) has been reported.

Applicazioni

Benzaldehyde has been used as a standard in the quantification of Achillea ligustica essential oil by GC-MS (Gas Chromatography-Mass Spectrometry).
Benzaldehyde may be used in the following studies:
  • Preparation of optically active 1-phenylpropan-1-ol.
  • Synthesis of meso-tetraphenylporphins and chlorins.
  • As a test compound to study oxidative amidation reaction of aliphatic primary/secondary amines using N-heterocyclic carbine as a catalyst.
  • Synthesis of 2-phenyl-2,3-dihydro-4H-pyran-4-one with high enantioselectivity by hetero-Diels-Alder (HDA) reaction with Danishefsky′s diene.

Qualità

Chlorine-free

Note legali

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Avvertenze

Danger

Classi di pericolo

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

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

145.4 °F

Punto d’infiammabilità (°C)

63 °C

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
STBK6361
STBK3515
STBK2978
MKCP3402
STBK1297

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Microwave Spectrum of Benzaldehyde.
Kakar RK, et al.
J. Chem. Phys., 52(7), 3803-3813 (1970)
B Rosche et al.
Applied microbiology and biotechnology, 57(3), 309-315 (2002-01-05)
Extracts of 14 filamentous fungi were examined regarding their potential for production of (R)-phenylacetylcarbinol [(R)-PAC], which is the chiral precursor in the manufacture of the pharmaceuticals ephedrine and pseudoephedrine. Benzaldehyde and pyruvate were transformed at a scale of 1.2 ml
Reduction of benzaldehyde on metal oxides.
Haffad D, et al.
J. Catal., 172(1), 85-92 (1997)
Gas phase hydrogenation of benzaldehyde over supported copper catalysts. Effect of copper loading.
Lanasri K, et al.
Studies in Surface Science and Catalysis, 174, 1279-1282 (2008)
Cyanosilylation of benzaldehyde with TMSCN over perovskite-type oxide catalyst prepared by thermal decomposition of heteronuclear cyano complex precursors.
Yamaguchi S, et al.
Research on Chemical Intermediates, 41(12), 9551-9560 (2015)
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