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Propylgallat with CAS 121-79-9

what is of  Propylgallat with CAS 121-79-9?

It caused contact dermatitis in a baker and in a female confectioner who fried doughnuts, primarily sensitized by her night cream; the margarine probably contained gallates.

CAS: 121-79-9
Purity: 99%
Propylgallat with CAS 121-79-9
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1.Quick details of Propylgallat with CAS 121-79-9

CAS No.:121-79-9
Other Names:Propyl 3,4,5-trihydroxybenzoate
MF:C10H12O5
EINECS No.:204-498-2
Place of Origin:Guangdong, China
Type:Antioxidants
Product name:Factory price EP grade Propyl gallate Cas 121-79-9
Appearance:White Crystal Powder
Grade:Food Grade.pharmaceutical Grade
Purity:98%
Density:1.210 g/cm3
Molecular Weight:212.20
MP:146-150 ℃
Shelf Life:2 Years
Storage:Cool Dry Place
Description of Propylgallat with CAS 121-79-9

Melting point 146-149 °C(lit.)
Boiling point 312.03°C (rough estimate)
density 1.210
FEMA 2947 | PROPYL GALLATE
refractive index 1.5140 (estimate)
Fp 187℃
storage temp. Store below +30°C.
solubility ethanol: 50 mg/mL
pka 8.11(at 25℃)
form powder
color White to light beige
Water Solubility 0.35 g/100 mL (25 ºC)
 

3.Application 

Propyl Gallate is an antioxidant that is the n-propylester of 3,4,5-tri- hydroxybenzoic acid. natural occurrence of propyl gallate has not been reported. it is commercially prepared by esterification of gallic acid with propyl alcohol followed by distillation to remove excess alcohol.

4.Packing

25kgs/drum,9tons/20’container

25kgs/bag,20tons/20’container

 

Propylgallat with CAS 121-79-9
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