Hexamethyldisilazane

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.)
Flash point :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℃)
Specific Gravity :0.774
color :Colorless
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 :14,4689
BRN :635752
Henry's Law Constant :1.1×10^-1 mol/(m³Pa) at 25℃, HSDB (2015)
InChI :1S/C6H19NSi2/c1-8(2,3)7-9(4,5)6/h7H,1-6H3
InChIKey :FFUAGWLWBBFQJT-UHFFFAOYSA-N
SMILES :C[Si](C)(C)N[Si](C)(C)C
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)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P370+P378 In case of fire: Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…