Benzaldehyde
Synonyms
Benzene carboxaldehyde;
FEMA No. 2127;
Category
Non-ionic surfactant
> Aldehyde
Chemical Numbering System
CAS: 100-52-7
EINECS: 202-860-4
Molecular Formula & Molecular Weight
Molecular Formula: C7H6O
Molecular Weight: 106.12
Structure
Properties
Appearance (1), colorless to pale yellow liquid.
Odor strong bitter almond odor.
Solubility soluble in water.
Physical - chemical properties
|
Water solubility, g/L |
6.95 (25°C)[1] |
Stability stable. Easily oxidized.
Risk Liquid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
guinea pig oral LD50 |
1000mg/kg[2] |
|
mouse inhalation LC |
> 500mg/m3[2] |
|
mouse intraperitoneal LD50 |
9mg/kg[2] |
|
mouse oral LD50 |
28mg/kg[2] |
|
rabbit subcutaneous LD50 |
5000mg/kg[2] |
|
rat inhalation LC |
> 500mg/m3[2] |
|
rat oral LD50 |
1300mg/kg[2] |
|
rat subcutaneous LDLo |
5000mg/kg[2] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent adsorbing, masking, dispersing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Liquid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Product standards
(1), Chinese standards
(1a), GB 28320 Food safety national standard -- Food additive -- Benzaldehyde
(1b), HG/T 4421 Benzaldehyde
4, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as perfume.
Use as solvent.
2, Personal care products
Perfume, masking agent, denaturing agent in personal care products.
3, Food
Use as food additive (perfume).
4, organic synthesis
Use as intermediate in organic synthesis.
5, Household detergents
Perfume in household cleaning products. Commonly soap flavor.
Manufacturers
References
[1]: HSDB. 100-52-7, Benzaldehyde
[2]: ChemIDplus. 100-52-7, Benzaldehyde
Update: 20130909(1); 20190520(2);