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Benzaldehyde

Name: Benzaldehyde
SKU: 0

Basic Information

CAS No.: 100-52-7
Molecular Formula: C7H6O
Molecular Weight: 106.12

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Product Details

Benzaldehyde pure is a colorless liquid, while industrial products are colorless to pale yellow liquids with a bitter almond odor. The melting point is -26 ℃, the boiling point is 179℃, the flash point is 62℃ (closed cup), and the density is 1.044g/cm³ at 20℃. It is slightly soluble in water and miscible with organic solvents such as ethanol, ether, benzene, and chloroform.

Chemical Properties

Property	Value
Melting point	-26 °C (lit.)
Boiling point	178-179 °C (lit.)
Density	1.044 g/cm3 at 20 °C (lit.)
Vapor density	3.7 (vs air)
Vapor pressure	4 mm Hg ( 45 °C)
Refractive index	n20/D1.545(lit.)
FEMA	2127 \| BENZALDEHYDE
Fp	145 °F
Storage temp.	Store below +30°C.
Solubility	H2O: soluble100mg/mL
Pka	14.90(at 25℃)
Form	Liquid
Color	Pale yellow
PH Range	5.9
PH	5.9 (1g/l, H2O)
Odor	Like almonds.
Explosive limit	1.4-8.5%(V)
Biological source	Synthetic
Odor Type	Fruity
Water Solubility	<0.01 g/100 mL at 19.5 ºC
FreezingPoint	-56℃
Sensitive	Air Sensitive
Merck	14,1058
JECFA Number	22
BRN	471223
Dielectric constant	17.8（20℃）
Stability	Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, steam. Air, light and moisture-sensitive.
InChIKey	HUMNYLRZRPPJDN-UHFFFAOYSA-N
LogP	1.4 at 25℃
CAS DataBase Reference	100-52-7(CAS DataBase Reference)
NIST Chemistry Reference	Benzaldehyde(100-52-7)
EPA Substance Registry System	Benzaldehyde (100-52-7)

Safety Information

Property	Value
Hazard symbol	Xn
Hazard class codes	22
Safety descriptions	24
UN dangerous goods number	UN 1990
WGK Germany	1
RTECS number	CU4375000
F	8
Autoignition temperature	374 °F
TSCA	TSCA listed
HS code	2912 21 00
Hazard class	9
Packing group	III
Storage class	6.1C - Combustible, acute toxicity Category 3 Toxic compounds or compounds causing chronic effects
Hazard class (category)	Acute toxicity, Category 4, Inhalation Acute toxicity, Category 4, Oral Hazardous to the aquatic environment — long-term hazard, Category 2 Eye irritation, Category 2 Reproductive toxicity, Category 1B Skin irritation, Category 2 Specific target organ toxicity — single exposure, Category 3
Hazardous substances data	100-52-7 (Hazardous Substances Data)
Toxicity	LD50 in rats, guinea pigs (mg/kg): 1300, 1000 orally (Jenner)

Product Usage

Benzaldehyde is the simplest aromatic aldehyde and a vital building block in the chemical industry, best known for its characteristic almond-like odor. In the flavor and fragrance industry, it is a primary ingredient used to impart almond and cherry flavors to foods, beverages, and confectioneries, as well as a base note in floral perfumes. Its role in the pharmaceutical sector is critical, serving as an essential intermediate for synthesizing chloramphenicol, ephedrine, and various amino acids. In agrochemicals, it is used to produce herbicides and plant growth regulators. Furthermore, benzaldehyde is a versatile industrial solvent for oils, resins, and cellulose ethers, and it is widely employed in the production of dyes (such as malachite green) and specialized coating additives.

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Benzaldehyde

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