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diborane(6)

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Origin: China

Cas No: 19287-45-7

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

  • Property

    CAS No.: 19287-45-7 Formula: B2H4 Molecular Weight: 25.65380

    Description

    Diborane is the chemical compound consisting of boron and hydrogen with the formula B2H6. It is a colorless and highly unstable gas at room temperature with a repulsively sweet odor. Diborane mixes well with air, easily forming explosive mixtures. Diborane will ignite spontaneously in moist air at room temperature. Synonyms include boroethane, boron hydride, and diboron hexahydride.
    Diborane is a key boron compound with a variety of applications. The compound is classified as "endothermic", meaning that its heat of formation, ΔH°f is positive (36 kJ/mol). Despite a high thermodynamic instability, diborane is surprisingly nonreactive for kinetic reasons, and it is known to take part in an extensive range of chemical transformations, many of them entailing loss of dihydrogen.

    Basic Info

    Chemical Name diborane(6)
    Synonyms

    Diboron hexahydride;
    Boroethane;
    Boron hydride;
    EINECS 242-940-6;
    DIBORANE;
    boranylidyneborane;
    UN1911;
    Diborane(6);

    CAS No. 19287-45-7
    Molecular Formula B2H4
    Molecular Weight 25.65380
    PSA 0.00000
    LogP -1.83240

    Properties

    Density 1.157 g/mL at 25 °C(lit.)
    Boiling Point 72-74 °C15 mm Hg(lit.)
    Melting Point -165°C
    Flash Point 170 °F
    Refractive Index n20/D 1.545(lit.)

    Safety Info

    Hazard Class 6.1
    Safety Statements S23; S27; S36/39
    WGK Germany 3
    Packing Group III
    RIDADR 1228
    Risk Statements R20/21/22
    Hazard Codes T

    Synthesis Route

    Borane-trimethylamine complex+Boron trichloride→Boron chloride - N,N-dimethylmethanamine (1:3:1)+diborane(6)
    λ<sup>1</sup>-boranyl(methyl)boron→dimethylboranyl(dimethyl)borane+dimethylboranylboron
    dimethylboranylboron→λ<sup>1</sup>-boranyl(methyl)boron+dimethylboranyl(dimethyl)borane

    Downstream Product

    chloro(λ<sup>1</sup>-boranyl)boron
    Morpholine Borane
    Borane - 2-Methylpyridine Complex
    Borane triethylamine complex

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