Benzeneacetaldehyde
Specifications
- Origin
- china
- Packaging
- as the customer rewuested
- Price Term
- EXW/EX-Work,FOB
- Payment Term
- T/T,L/C,Western Union
Benzeneacetaldehyde is a Food Additives product. Key specs — Origin: china; Packaging: as the customer rewuested; Price Term: EXW/EX-Work,FOB; Payment Term: T/T,L/C,Western Union.
Product Description
Benzeneacetaldehyde Another Name:Acetaldehyde,phenyl- (8CI); Benzylcarboxaldehyde; Hyacinthin; NSC 406309; Phenacetaldehyde;Phenylacetaldehyde; Phenylacetic aldehyde; Phenylethanal; a-Phenylacetaldehyde; a-Tolualdehyde; a-Toluic aldehyde
CAS:204-574-5
Molecular Weight:120.15
Molecular Formula:C8H8O
Chinese name: phenylacetaldehyde
English name: Benzeneacetaldehyde
Alias: in Chinese natural phenylacetaldehyde
English nickname: Acetaldehyde, phenyl - (ci); Benzylcarboxaldehyde; Hyacinthin; The NSC 406309; Phenacetaldehyde; Phenylacetaldehyde; Phenylacetic aldehyde; Phenylethanal; A - Phenylacetaldehyde; A - Tolualdehyde; A - Toluic aldehyde
CAS No. : 122-78-1
EINECS no. : 204-574-5
Minor: C8H8O
Points a quantity: 120.15
Dangerous mark: Xn
In risk terms: R22
In security terms: S24; S37
Molecular formula
Physical and chemical properties
Benzene acetaldehyde (122-78-1) description
1. The colorless to pale yellow viscous oily liquid. Place easily aggregated thicken at room temperature. Emperor strongly hyacinth aroma, low concentration with almond and cherry flavours. Scent: hyacinth, narcissus flower.
2. The boiling point 195 ℃, melting point < - 10 ℃, flash point is 68 ℃. Soluble in ethanol, ether and most of the volatile oil and propylene glycol, slightly soluble in water, insoluble in glycerin and mineral oil.
3. Natural products found in citrus leaves and flowers, rose, tea, etc.
Toxicity
1. ADI if there are no relevant provisions (FAO/WHO, 1994).
2. The LD50 of 1550 mg/kg (in rats, through the mouth).
3. The GRAS (FEMA).
use
Benzene acetaldehyde (122-78-1) USES
GB 2760-1996 rules for temporary permits the use of edible spices. Is used to make the bitter almond extract, and also used to raspberries, strawberries, cherries, apricots and peaches and essence.
describe
Benzene acetaldehyde (122-78-1) the preparation
1. By benzene ethanol in the silver ion heating to 350 ~ 400 ℃ under catalytic dehydrogenation and (usually) in this way.
2. In the presence of formic acid, benzene acetic acid vapor by manganese oxide or titanium dioxide catalyst, reduction and heating to 300 ~ 360 ℃.
Set limit to 1. The FEMA (mg/kg) : soft drinks; 0.68 Cold drink 0.75; Candy, 1.6; Baked goods 2.0; Gum 1.7 ~ 87.
(FDA § 172.515, 2000).
Content analysis
According to the determination of formaldehyde method (OT - 6). Take the sample quantity is 1 g. Calculation of the equivalent factor (e) 60.08. Or by gas chromatography (GT) - 10-4 with non-polar column method is determined.
