UV Absorbers

Benzophenone-2

LGB-BP2
CAS No.: 131-55-5
Assay：99%
Pale greenish yellow crystalline powde
Product description:
INQUIRY

Chemical Name:2,2',4,4'-tetrahydroxy Benzophenone

CAS No.: 131-55-5

EINECS NO.:205-028-9

Molecular Formula:C13H10O5

Molecular Weight:246.22
Model No. :LGB-BP2
Color :Pale greenish yellow crystalline powder
Port Of Dispatch :Shanghai
Payment :FOB
Original Region :China
Lead Time :7days

Specification

Items	Specifications	Results
Appearance	Pale greenish yellow crystalline powder	Pale greenish yellow crystalline powder
Assay(HPLC)	Min.99.0%	99.9%
Solubility	Clear solution, free from insoluble	Conform
Melting Point	195.0℃-203.0℃	199.1℃-200.1℃
Loss of Drying	Max.0.50%	0.08%
Turbidity	Max.12NTU	2.1 NTU
Gardner color	Max.3.0	2.5
Specific Extinction E345(1%, 1cm)	580min	627

Applications:

benzophenone-2 is very compatible with plastic optical lens materials and highly effective as an ultraviolet light absorber (UV screen) for these products. It also provides improved stability in cosmetics and perfumes and improves colors in various applications. MAXGARD 1000 has a very broad ultraviolet light (UV) absorption band which extends into the UV-A range. Recommended usage: opical use levels: 0.05-0.2%.

Storage: BP-2 should be stored in a closed system and be kept in a dark place without any light exposure

Package: 25kg net cardboard drum

Shelf life: 24 months