Hexamethyldisilazane CAS NO.999-97-3

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
Product Categories:    API Intermediate;Pharmaceutical Intermediates;Organics;Blocking Agents;Protective Agents;Silylating Agents;Analytical Chemistry;Biochemistry;GC Derivatizing Reagents;Nucleosides, Nucleotides & Related Reagents;Protecting Agents for Hydroxyl and Amino Groups;Protecting Agents, Phosphorylating Agents & Condensing Agents;Si (Classes of Silicon Compounds);Silazanes;Silicon Compounds (for Synthesis);Silylation (GC Derivatizing Reagents);Si-N Compounds;Synthetic Organic Chemistry;Trimethylsilylation (GC Derivatizing Reagents);organosilicon compound;Chemical Synthesis;Organometallic Reagents;Organosilicon;Materials for Surface Modification;Substrates and Electrode Materials;Electronic Chemicals;Materials Science;Micro/NanoElectronics;Organic and Printed Electronics;Semiconductor Grade Chemicals
Mol File:    999-97-3.mol
 

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.
form     Liquid
pka    30(at 25℃)
color     Colorless
Specific Gravity    0.774
Odor    Ammonia odour
PH Range    8.5
explosive limit    0.8-25.9%(V)
Water Solubility     REACTS
Hydrolytic Sensitivity    7: reacts slowly with moisture/water
Sensitive     Moisture Sensitive
Merck     14,4689
BRN     635752
InChIKey    FFUAGWLWBBFQJT-UHFFFAOYSA-N
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)
Safety Information
Hazard Codes     F,C,Xn
Risk Statements     11-20/21/22-34-52/53
Safety Statements     16-26-36/37/39-45-61
RIDADR     UN 3286 3/PG 2
WGK Germany     2
RTECS     JM9230000
F     21
Autoignition Temperature    325 °C
Hazard Note     Flammable
TSCA     Yes
HS Code     2931 90 00
HazardClass     3
PackingGroup     II
Hazardous Substances Data    999-97-3(Hazardous Substances Data)
Toxicity    LDLO i.p. in mice: 650 mg/kg (Petrarch Systems Inc. Product Information Sheets)