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Hexamethyldisilazane CAS 999-97-3

((CH3)3Si)2NH;1,1,1,3,3,3-hexamethyl-disilazan;1,1,1-trimethyl-n-(trimethylsilyl)-silanamin;BIS(TRIMETHYLSILYL)AMINE;HMDS;hexamethyl disilizane;HEXAMETHYLDISILYLAMINE;HEXAMETHYLDISILAZANE

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  • 999-97-3

  • bosschem

  • 999-97-3

Hexamethyldisilazane Basic information
Product Name: Hexamethyldisilazane
Synonyms: ((CH3)3Si)2NH;1,1,1,3,3,3-hexamethyl-disilazan;1,1,1-trimethyl-n-(trimethylsilyl)-silanamin;BIS(TRIMETHYLSILYL)AMINE;HMDS;hexamethyl disilizane;HEXAMETHYLDISILYLAMINE;HEXAMETHYLDISILAZANE
CAS: 999-97-3
MF: C6H19NSi2
MW: 161.39
EINECS: 213-668-5
Mol File: 999-97-3.mol
Hexamethyldisilazane Chemical Properties
Melting point -78 °C
Boiling point 125 °C (lit.)
density 0.774 g/mL at 25 °C(lit.)
vapor density 4.6 (vs air)
vapor pressure 20 hPa (20 °C)
refractive index n20/D 1.407(lit.)
Fp 57.2 °F
storage temp. Store below +30°C.
solubility Miscible with acetone, benzene, ethyl ether, heptane and perchloroethylene.
pka 30(at 25℃)
form Liquid
color Colorless
Specific Gravity 0.774
Odor Ammonia odour
PH Range 8.5
explosive limit 0.8-25.9%(V)
Water Solubility REACTS
Sensitive Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Merck 144,689
BRN 635752
LogP 0.23-1.19 at 20-25℃
CAS DataBase Reference 999-97-3(CAS DataBase Reference)
NIST Chemistry Reference Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-(999-97-3)
EPA Substance Registry System Hexamethyldisilazane (999-97-3)



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