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2,3-Diaminopyridine

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Origin: China

Cas No: 452-58-4

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

  • Quick Details

    CAS No.:
    452-58-4
    Other Names:
    pyridine-2,3-diyldiamine
    MF:
    C5H7N3
    EINECS No.:
    207-200-9
    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:
    Solid 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.: 452-58-4 Formula: C5H7N3 Molecular Weight: 109.12900

    Basic Info

    Chemical Name 2,3-Diaminopyridine
    Synonyms

    Pyridine,2,3-diamino;
    2,3-DiaMinopyridine;
    3-DiaMinopyridine;
    Pyridin-2,3-diaMine;
    2,3-diamino-pyridine;
    di-aminopyridine;
    2,3-Pyridinediamine;
    1,2-pyridine diamine;
    2,3-diamino-pyridin;
    Pyridine-2,3-diamine;

    CAS No. 452-58-4
    Molecular Formula C5H7N3
    Molecular Weight 109.12900
    PSA 64.93000
    LogP 1.40840

    Properties

    Appearance & Physical State slightly beige powder
    Density 1.251 g/cm3
    Boiling Point 311.3ºC at 760 mmHg ，195ºC 55mm
    Melting Point 114-116ºC
    Flash Point 205ºC
    Water Solubility 100 g/L (20 ºC)
    Stability Stable under normal temperatures and pressures.
    Storage Condition Refrigerator (+4ºC)
    Vapor Pressure 0.00057mmHg at 25°C

    Safety Info

    RTECS US7548000
    Hazard Class 6.1
    Safety Statements S26-S28-S37/39-S45
    HS Code 2933399090
    WGK Germany 3
    Packing Group II
    RIDADR UN 2811
    Risk Statements R25; R36/37/38
    Hazard Codes T

    Synthesis Route

    2-Amino-3-nitropyridine→2,3-Diaminopyridine+6-chloropyridine-2,3-diamine
    hydrogen chloride+2-Amino-3-nitropyridine→2,3-Diaminopyridine+6-chloropyridine-2,3-diamine
    2-Amino-3-nitropyridine→2,3-Diaminopyridine

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Intraperitoneal LD50 - Lethal dose, 50 percent kill Rodent - mouse 25 mg/kg 1.Details of toxic effects not reported other than lethal dose value

    Precursor

    2-Amino-3-nitropyridine
    2-Amino-5-bromo-3-nitropyridine
    (3-nitropyridin-2-yl)hydrazine
    3,3'-dinitro-2,2'-hydrazobipyridine

    Downstream Product

    2-(1H-imidazo[4,5-b]pyridin-2-yl)acetonitrile
    2-propan-2-yl-1H-benzimidazole
    2-N-benzylpyridine-2,3-diamine
    Pyrido[2,3-b]pyrazine

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