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UV Absorbers

  •  Benzophenone-2
 Benzophenone-2

Benzophenone-2

  • LGB-BP2
  • CAS No.: 131-55-5
  • Assay:99%
  • Pale greenish yellow crystalline powde
  • Product description:
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LGB-BP2 Benzophenone-2


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


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