Product Name: Avobenzone

Alias: 4-tert-Butyl-4'-methoxy-dibenzoylmethane; Avobenzon; Avobenzone; BADGE; Bisphenol A Diglycidyl Ether; BMDBM; Butyl Methoxydibenzoylmethane; Parsol 1789; Sunscreener 1789; uv 1789; UV Absorber 1789

CAS No.: 70356-09-1

Molecular Formula: C20H22O3

Molecular Weight: 310.39

EINECS No.: 274-581-6

Brief Introduction:

Avobenzone is a synthetic ultraviolet absorber, a good UV-A (>320nm) type ultraviolet absorber, which can block UVA in the whole band (320nm ~ 400nm), and is an efficient broad-spectrum oil-soluble UVA Light filter, compounded with other UVB sunscreens, can provide full UVA and UVB protection for the prevention of photoinduced skin cancer.

Specifications of our Avobenzone:

Test Items	Specifications
Appearance	White or light yellow crystalline powder
Assay(GC)	95.00% ~ 105.00%
Melting Point	81.00℃ ~ 86.00℃
Volatile	Not more than 0.50%
Specific Extinction Coefficient(E1%, 1cm at 357nm)	1100.00 ~ 1180.00
Single Impurity(GC)	Not more than 3.00%
Total Impurities(GC)	Not more than 4.50%
Residual Solvents(Methanol)	Not more than 3000.00ppm

Features & Advantages:
♔  Good formulation compatibility
♔  Good solvent for solid sunscreens
♔  Secondary UVB absorber for high SPF formulations

Use and Dosage:
• Avobenzone is suitable used in sun care, body & face care and colour cosmetics.
* Maximum additive amount: 10%(EU, JP); 15%(US, AUS).

Packaging:
25kg net carton box or according to the requirements from customers.

Storage Conditions:
Preserved in unopened original cartons in a cool dry place before using; kept away from sunlight, heat and moisture.

Shelf Life:
24 months if stored under above mentioned conditions.