Avobenzone(BMDM, butyl methoxydibenzoylmethane) is white to pale yellow powder, a full-spectrum ultraviolet A (UVA) blocker, a sunscreen agent that protects against the full spectrum of UV light, specifically the most effective sunscreen agent against UVA rays, helps to lower risk of developing skin cancer.
CAS No.: 70356-09-1
Product Name: Avobenzone
Synonyms: 4-tert-Butyl-4'-methoxy-dibenzoylmethane; 1-(4-(1,1-Dimethylethyl)phenyl)-3-(4-methoxyphenyl)-1,3-propanedione; Parsol 1789; Eusolex 9020; Escalol 517
Molecular Formula: C20H22O3
MW: 310.39
Properties:
White to light yellow crystalline powder.
Specification:
Items |
Specification |
Appearance |
White to pale yellow crystalline powder |
Identification |
A:Infrared Absorption 197K |
B:Ultraviolet Absorption 197U Absorptivities at 360 nm do not differ by more than 3.0% |
|
Loss on drying |
0.5% max |
Chromatographic purity |
Any individual impurity:3.0% max |
The sum of all of the impurities: 4.5% max |
|
Assay |
95.0-105.0% |
Residual solvents |
Methanol:3000ppm max |
Product Package:
25kg carton、25kg fiber drum
Storage condition:
Preserve in tight, light-resistant containers
Some photos of shipment: