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3,4-Dihydroxy Benzoic Acid

3,4-Dihydroxy Benzoic Acid CAS No# 99-50-3 is an important basic fine chemical, provided by the vendor Hangzhou Shitai Biotech Co., Ltd. The product is produced, and the properties of the storage process are stable. It can be used for the production of fine chemicals and raw materials for the synthesis of downstream.

  • Features & Specification

    PRODUCT   NAME

    3,4-Dihydroxy Benzoic Acid

    CAS   No.:

    99-50-3

    Synonyms

    4-Carboxy-1,2-dihydroxybenzene;

    4,5-Dihydroxybenzoic   acid;

    Protocatehuic   acid;

    Formula:

    C7H6O4

    Molecular   Weight:

    154.12000

    PSA:

    77.76000

    LogP:

    0.79600

     

    Structure

    image.png

     

    Description

    Appearance   & Physical State:

    White to light yellow crystal powder

    Density:

    1.559 g/cm3

    Melting Point:

    198-202ºC

    Boiling Point:

    410.7ºC at 760 mmHg

    Stability:

    Stable. Incompatible with strong oxidizing agents, strong bases.

    Storage Condition:

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

    Symbol:

    image.png
      GHS07

    Sign:

    Warning

    hazard declaration:

    H315; H319;   H335

    hazard declaration ad:


    waring notice:

    P261;   P305 + P351 + P338

    RTECS:

    UL0560000

    Safety Statements:

    S26-S37/39

    HS Code:

    2918290000

    WGK Germany:

    3

    Risk Statements:

    R36/37/38

    Hazard Codes:

    Xi






     

    Certificate of Analysis

     

    ProductName: 3,4-Dihydroxy Benzoic Acid

    Cas:       99-50-3

    Batch No.:      161201

    MFG Date:  Dec.10.2016

    Analysis Date:Dec.10.2016

     

    Inspect Item

    Quantity Standard

    Inspection Result

    Appearance

    Light-Yellow or White-like   Powder

    Comforms

    Loss   on Drying

     

    ≤1.0%

    Conforms

    Melting   Point

     

    202.0-206.0℃

    204.2-204.9℃

    Assay

    ≥99.5% (by HPLC)

    99.9%

    Conclusion  

    In   accordance with enterprise standard

     

     



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