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1,4-Bis(4-cyanostyryl)benzene

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Origin: China

Cas No: 13001-40-6

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

    Classification:
    Chemical Auxiliary Agent, Other
    CAS No.:
    13001-40-6
    Other Names:
    OPTICAL BRIGHTENER ER-III
    MF:
    C24H16N2
    EINECS No.:
    235-836-7
    Purity:
    98%
    Place of Origin:
    Zhejiang, China
    Type:
    Adsorbent
    Adsorbent Variety:
    Molecular Sieve
    Usage:
    Leather Auxiliary Agents, Paper Chemicals, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Textile Auxiliary Agents
    Brand Name:
    afine
    Model Number:
    afine
    H.S.CODE:
    3204200000

    Packaging&Delivery

    Packaging Details
    25Kgs Drums
    Port
    SHANGHAI
    Lead Time:
    Quantity(Kilograms)1 - 1000>1000
    Est. Time(days)15To be negotiated

  • Property

    CAS No.: 13001-40-6 Formula: C24H16N2 Molecular Weight: 332.39700

    Basic Info

    Chemical Name 1,4-Bis(4-cyanostyryl)benzene
    Synonyms

    optical brightener 199;
    1,4-Bis-<4-cyan-styryl>-benzol;
    Brightener ER for dacron;
    palanib-riliantweiss R,blankophor ER;
    Fluorescent Whitening Agent ER;
    Optical Brightening Agent ER C. I. 199;
    Fluorescent Brightener 199;

    CAS No. 13001-40-6
    Molecular Formula C24H16N2
    Molecular Weight 332.39700
    PSA 47.58000
    LogP 5.77076

    Properties

    Appearance & Physical State Light yellow
    Density 1.18 g/cm3
    Boiling Point 571.3ºC at 760 mmHg
    Melting Point 230-234ºC
    Flash Point 272.8ºC
    Refractive Index 1.66
    Stability Incompatible with strong oxidizing agents. Combustible.
    Vapor Pressure 4.61E-13mmHg at 25°C

    Safety Info

    HS Code 3204200000

    Synthesis Route

    Terephthalaldehyde+(4-cyanophenyl)methyl-triphenylphosphanium,bromide→1,4-Bis(4-cyanostyryl)benzene
    4-(4-cyanostyryl)benzoyl chloride→1,4-Bis(4-cyanostyryl)benzene
    Terephthalaldehyde+p-Tolunitrile→1,4-Bis(4-cyanostyryl)benzene

    Precursor

    (4-cyanophenyl)methyl-triphenylphosphanium,bromide
    Diethyl (4-Cyanobenzyl)phosphonate
    p-Tolunitrile
    Terephthalaldehyde

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