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Picture of 4-Chloro-3-fluoropyridine

4-Chloro-3-fluoropyridine

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Origin: China

Cas No: 2546-56-7

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.:
    2546-56-7
    Other Names:
    3-FLUORO-4-CHLORO PYRIDINE
    MF:
    C5H3ClFN
    EINECS No.:
    629-495-7
    Place of Origin:
    Shaanxi, China
    Type:
    Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
    Purity:
    99%min
    Brand Name:
    DIDAC
    Model Number:
    DAC170112
    Application:
    Pharm/Chem Industries
    Appearance:
    Liquid Form
    Structure Identification:
    H-NMR&LC-MS
    Identification:
    Infrared Absorption
    Test method:
    HPLC-ESI-MS
    Content:
    99.0% to 101.0%
    Water:
    0.5% Max.
    Sulfated ash:
    0.1% Max.
    Heavy metals:
    10ppm Max
    Total Impurity:
    0.2% Max.
    Assay:
    HPLC
    Disregard limit:
    0.0005%

    Packaging&Delivery

    Packaging Details
    25kgs/Drum; 200kgs/Drum
    Port
    Any main port of China
    Lead Time:
    Quantity(Grams)1 - 1>1
    Est. Time(days)3To be negotiated

    Products Description

    Item
    Standard
    Test Results





    Identification
    A.H-NMR:Comply with the structure
    Complies
    B.LC-MS:Comply with the structure
    Complies
    C.The IR spectrum of sample should be identical with that of reference standard;
    Complies
    D.HPLC-ESI-MS
    The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the
    Standard preparation, as obtained in the Assay.
    Complies
    Crystallinity
    meets the requirements.
    Complies
    Loss on drying
    ≤2.0%
    0.19%
    Heavy metals
    ≤10 ppm
    <10ppm
    Water
    ≤1.0%
    0.1%
    Sulphated ash
    ≤0.5%, determined on 1.0 g.
    0.009%

    Related substances
    Unspecified impurities: for each impurity ≤0.10%
    <0.10%
    Total Impurity ≤0.5%
    0.18%
    Purity
    ≥99.0%
    99.7%
    Assay
    99.0%~101.0% (anhydrous substance).
    99.8%
    Storage
    Preserve in well-closed, light-resistant and airtight containers.
    Complies

  • Property

    CAS No.: 2546-56-7 Formula: C5H3ClFN Molecular Weight: 131.53500

    Basic Info

    Chemical Name 4-Chloro-3-fluoropyridine
    Synonyms

    4-chloro-3-fluoro-pyridine;
    3-Fluor-4-chlor-pyridin;
    3-fluoro-4-chloropyridine;
    4-chloro-3-fluoro-pyridin;

    CAS No. 2546-56-7
    Molecular Formula C5H3ClFN
    Molecular Weight 131.53500
    PSA 12.89000
    LogP 1.87410

    Properties

    Appearance & Physical State Light yellow liquid
    Density 1.333
    Boiling Point 138.9ºC at 760mmHg
    Flash Point 37.8ºC
    Refractive Index 1.503
    Vapor Pressure 8.19mmHg at 25°C

    Safety Info

    Safety Statements S16-S26-S36
    HS Code 2933399090
    WGK Germany 3
    RIDADR UN 1993
    Risk Statements R10; R36/37/38
    Hazard Codes Xi
    Hazard Declaration H226; H315; H319; H335
    Caution Statement P261; P305 + P351 + P338
    Symbol GHS02, GHS07
    Signal Word Warning

    Synthesis Route

    3-Fluoropyridine→4-Chloro-3-fluoropyridine
    3-Chloro-4,5-difluoropyridine→4-Chloro-3-fluoropyridine
    3,4-Dichloro-5-fluoropyridine→4-Chloro-3-fluoropyridine

    Precursor

    3-Chloro-4,5-difluoropyridine
    3,4-Dichloro-5-fluoropyridine
    (5-chloro-3-fluoropyridin-2-yl)hydrazine
    5-Chloro-2,3-difluoropyridine

    Downstream Product

    5-Fluoronicotinic acid
    4-chloro-3-fluoropyridine-2-carboxylic acid
    4-chloro-5-fluoropyridine-3-carboxylic acid
    3-Fluoro-4-methoxypyridine

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