Benzophenone 2 (BP-2)

Short Description:


  • Min.Order Quantity: Up to request
  • Supply Ability: Up to request
  • Port: Main Port of China
  • Payment Terms: L/C,D/A,D/P,T/T,WU,PAYPAL,TRADE ASSURANCE
  • CAS NO.: 131-55-5
  • Product Detail

    Product Tags

    Product Name

    2,2′,4,4′-Tetrahydroxybenzophenone

    Synonyms

    2,2,4,4-Tetrahydroxybenzophenol;2,2’,4,4’-tetrahydroxy-benzophenon;2,2’,4,4’-tetrehydroxybenzophenone;2,4,2′,4′-Tetrahydroxybenzophenone;2,4,2’,4’-tetrahydroxybenzophenone;Benzophenone, 2,2′,4,4′-tetrahydroxy-;bis(2,4-dihydroxyphenyl)-methanon;Methanone, bis(2,4-dihydroxyphenyl)-

    CAS

    131-55-5

    Molecular formula

    C13H10O5

    Molecular Weight

    246.22

    Molecular Structure

     131-55-5

    Physical and Chemical Properties

    M.P. 

    195-203 °C(lit.)

     

    General Description

    Pale greenish yellow crystalline powder

    Usage

    Because of its wide absorption range,BP-2 is particularly suitable for use as a UV-A filter for product protection, particularly to protect colorants against fading.It is also frequently used to improve the stability of perfumes to oxidation.

    Packing

    Packed in cardboard drum lined with plastic bags with the net capacity of 25 kg per drum.

    Storage condition

    Must be stored in closed containers in dry cool conditions. The shelf life of BP-2 is two years in original, unopened containers.

    Specifications

    Items

    Standard

    Appearance

    Pale greenish yellow crystalline powder

    Specific Extinction (1%,1cm) E345nm

    ≥ 580

    Assay(HPLC)

    ≥ 99.0 %

    Melting Point

    195 ℃ ~ 203 ℃

    Loss on Drying

    ≤ 0.50%

    Gardner Color

    ≤ 3.0

    Turbidity

    ≤ 12NTU


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