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3,4-dihydroxybenzaldehyde

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Origin: China

Cas No: 139-85-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Quick Details

    CAS No.:
    139-85-5
    Other Names:
    3,4-Dihydroxybenzaldehyde
    MF:
    C7H6O3
    EINECS No.:
    139-85-5
    Place of Origin:
    China
    Type:
    Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
    Purity:
    ≥98%
    Brand Name:
    FinerChem
    Model Number:
    139-85-5
    Application:
    pharmaceutical intermediate
    Appearance:
    Light yellow crystal
    Product name:
    3.4-Dihydroxybenzaldehyde
    CAS:
    139-85-5
    Assay:
    98.0 %min
    Molecular Weight:
    138.12

    Packaging&Delivery

    Packaging Details
    Aluminium foil bag for within 10kg, 25kg/Fiber drum, 25kg/kraft bag
    Port
    SHANGHAI, QINGDAO , BEIJING, SHENZHEN , DALIAN
    Lead Time:
    Quantity(Kilograms)1 - 500>500
    Est. Time(days)4To be negotiated

    Products Description

    Product Name
    3,4-Dihydroxybenzaldehyde
    CAS No.
    139-85-5
    Appearance
    Light yellow crystal
    Assay
    ≥98%
    Capacity
    2000mt/year
    Min.packing
    1gram
    Application
    An important pharmaceutical intermediate, can be used to synthesize a variety of antibiotics and anti-inflammatory drugs
    Standard
    Export 
    Brand
    Finerchem 


    More information

    Molecular Formula: C7H6O3 
    Molecular Weight: 138.12 
    CAS Registry Number: 139-85-5 
    EINECS: 205-377-7 
    Melting point: 152-157 ºC 
    Water solubility: 50 g/L (20 ºC)

  • Property

    CAS No.: 139-85-5 Formula: C7H6O3 Molecular Weight: 138.12100

    Description

    Protocatechuic aldehyde is a phenolic aldehyde, a compound released from cork stoppers into wine.
    This molecule can be used as a precursor in the vanillin synthesis by biotransformation by cell cultures of Capsicum frutescens, a type of Chili pepper. It is also found in the mushroom Phellinus linteus.

    Basic Info

    Chemical Name 3,4-dihydroxybenzaldehyde
    Synonyms

    3,4-Dihydroxybenzaldehyde;
    Benzaldehyde, 3,4-dihydroxy-;
    3,4-Dihydroxy benzaldehyde;
    Protocatechualdehyde;

    CAS No. 139-85-5
    Molecular Formula C7H6O3
    Molecular Weight 138.12100
    PSA 57.53000
    LogP 0.91030

    Properties

    Appearance & Physical State brown powder
    Density 1.409g/cm3
    Boiling Point 295.4ºC at 760mmHg
    Melting Point 152-157ºC
    Flash Point 146.7ºC
    Refractive Index 1.674
    Water Solubility 50 g/L (20 ºC)
    Stability Stable. Incompatible with strong bases, strong oxidizing agents.
    Storage Condition 2-8ºC
    Vapor Pressure 0.000867mmHg at 25°C

    Safety Info

    RTECS UL0380000
    Safety Statements S26-S37/39
    HS Code 29124900
    WGK Germany 3
    Risk Statements R36/37/38
    Hazard Codes Xi

    Synthesis Route

    D-erythrose→5-hydroxymethylfurfural+3,4-dihydroxybenzoic acid
    3,4-dimethoxybenzaldehyde→Vanillin+3,4-dihydroxybenzaldehyde
    3,4-dimethoxybenzaldehyde→Isovanillin+Vanillin

    Precursor

    Vanillin
    Isovanillin
    isatinsulfonic acid
    piperonal

    Downstream Product

    3,4-bis(trimethylsilyloxy)benzaldehyde
    6-(2-Nitrovinyl)-1,4-benzodioxan
    3,4-DIHYDROXYBENZAMIDE
    3,4-Dihydroxybenzyl Alcohol

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