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2,2',4,4'-Tetrahydroxybenzophenone

Structure : Description Certificate of Analysis ProductName: 2,2',4,4'-Tetrahydroxybenzophenone Cas: 131-55-5 Batch No.: 20111216 MFG Date: Dec.16.201 1 Analysis Date: Dec.16.2011

  • Features & Specification

    PRODUCT   NAME

    2,2',4,4'-Tetrahydroxybenzophenone

    CAS   No.:

    131-55-5

    Synonyms:

    BENZOPHENONE-2;

    Seesorb 106

    Formula:

    C13H10O5

    Molecular   Weight:

    246.21500

    PSA:

    97.99000

    LogP:

    1.74000

     

    Structure

    image.png                       

     

    Description

    Appearance & Physical State:

    yellow to brown   crystalline powder

    Density:

    1.526 g/cm3

    Melting Point:

    199-204ºC

    Boiling Point:

    531.2ºC at 760 mmHg

    Flash Point:

    289.2ºC

    Refractive Index:

    1.718

    Stability:

    Stable at room   temperature in closed containers under normal storage and handling   conditions.

    Storage Condition:

    Store in a tightly   closed container. Store in a cool, dry, well-ventilated area away from   incompatible substances.

    Vapor Pressure:

    6.69E-12mmHg at 25°C

    RTECS:

    DJ1892000

    Hazard Class:

    4.1

    Safety Statements:

    S26-S37/39

    HS Code:

    2914501900

    Packing Group:

    II; III

    WGK Germany:

    3

    Risk Statements:

    R22; R36/37/38

    Hazard Codes:

    Xn

     

    Certificate of Analysis

     

    ProductName: 2,2',4,4'-Tetrahydroxybenzophenone

    Cas:        131-55-5

    Batch No.:     20111216

    MFG Date:  Dec.16.2011

    Analysis Date: Dec.16.2011

     

    Inspect   Item

    Quantity Standard

    Inspection Result

    Appearance  

    Light yellow crystalline   powder

    Conforms

    Assay(HPLC)

    ≥99.0%

    99.3%

    Melting point D.C.

    ≥195

    198~201

    Moisture  

    ≤0.5%

    0.3%

    Gardner color

    ≤3.0

    2.3

    Turbidity  NTU

    ≤12

    Conforms

    Heavy   metal  ppm

    ≤5

    Conforms

    Conclusion  

    In   accordance with enterprise standard

     


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