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4-Sulfophthalic acid

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Origin: China

Cas No: 89-08-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 89-08-7 Formula: C8H6O7S Molecular Weight: 246.19400

    Basic Info

    Chemical Name 4-Sulfophthalic acid
    Synonyms

    4-SULFOPHTHALIC ACID;

    CAS No. 89-08-7
    Molecular Formula C8H6O7S
    Molecular Weight 246.19400
    PSA 137.35000
    LogP 1.41050

    Properties

    Appearance & Physical State clear slightly brown solution
    Density 1.292 g/mL at 25ºC
    Refractive Index n20/D 1.447

    Safety Info

    Hazard Class 8
    Safety Statements S26; S27; S28; S36/37/39; S45
    HS Code 2917399090
    Packing Group III
    RIDADR UN 3265 8/PG 2
    Risk Statements R34
    Hazard Codes C
    Symbol GHS05
    Signal Word Danger
    Hazard Declaration H314
    Caution Statement P280; P305 + P351 + P338; P310

    Synthesis Route

    phthalic anhydride→4-Sulfophthalic acid
    flavianic acid→4-Sulfophthalic acid
    phthalic acid→4-Sulfophthalic acid

    Precursor

    sulfur trioxide
    phthalic acid
    Sulfuric acid
    flavianic acid

    Downstream Product

    3-hydroxybenzoic acid
    5-hydroxy-2-benzofuran-1,3-dione
    trimellitic acid
    4-hydroxyphthalic acid

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