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Hexamethyldisilazane Potassium Salt

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Origin: China

Cas No: 40949-94-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 40949-94-8 Formula: C6H18KNSi2 Molecular Weight: 199.48300

    Description

    Potassium bis(trimethylsilyl)amide (commonly abbreviated as KHMDS, Potassium(K) HexaMethylDiSilazide) is the chemical compound with the formula ((CH3)3Si)2NK. It is a strong, non-nucleophilic base with an approximate pKa of 26 (compare to lithium diisopropylamide, at 36).

    Basic Info

    Chemical Name Hexamethyldisilazane Potassium Salt
    Synonyms

    Potassium bis(trimethylsilyl)amide,0.7M;
    Potassium bis(trimethylsilyl)amide;
    POTASSIUM HEXAMETHYLDISILAZIDE;
    potassium,bis(trimethylsilyl)azanide;

    CAS No. 40949-94-8
    Molecular Formula C6H18KNSi2
    Molecular Weight 199.48300
    PSA 3.24000
    LogP 2.42250

    Properties

    Appearance & Physical State off-white crystalline powder
    Density 0.877
    Boiling Point 126ºC at 760mmHg
    Flash Point 4ºC
    Refractive Index 1.492
    Storage Condition Refrigerator
    Vapor Density 3.2 (vs air)
    Vapor Pressure 54 mm Hg ( 25 °C)

    Safety Info

    Hazard Class 3
    Safety Statements S16-S26-S36/37/39-S45-S46-S62
    HS Code 2931900090
    Packing Group II
    WGK Germany 3
    RIDADR UN 2924
    Risk Statements R11; R14; R34; R48/20; R63; R65; R67
    Hazard Codes F; C
    Hazard Declaration H225; H314; H335; H351
    Caution Statement P210; P260; P280; P305 + P351 + P338; P370 + P378; P403 + P235
    Symbol GHS02, GHS05, GHS07, GHS08
    Signal Word Danger
    Supplemental Hazard Statements May form explosive peroxides; Reacts violently with water.

    Synthesis Route

    hexamethyldisilazane→Hexamethyldisilazane Potassium Salt
    tetrakis(trimethylsilyl)tetrazene→Hexamethyldisilazane Potassium Salt
    hexa-methyldisilazane→Hexamethyldisilazane Potassium Salt

    Precursor

    tetrakis(trimethylsilyl)tetrazene
    hexa-methyldisilazane
    hexamethyldisilazane

    Downstream Product

    bis(trimethylsilyl)azanide,cerium(3+)
    Potassium; 2,3,4-trimethyl-naphthalen-1-olate
    N'-isopropyl-1,1-dimethyl-N,N-bis(trimethylsilyl)silanediamine
    hexamethyldisilazane

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