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40949-94-8

Name Potassium bis(trimethylsilyl)amide
CAS 40949-94-8
EINECS(EC#) 424-100-2
Molecular Formula C6H18KNSi2
MDL Number MFCD00010330
Molecular Weight 199.48
MOL File 40949-94-8.mol
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Chemical Properties

Appearance Colorless to amber solution
Melting point  194-195°C
Boiling point  111 °C
density  0.877 g/mL at 25 °C
vapor density  3.2 (vs air)
vapor pressure  54 mm Hg ( 25 °C)
refractive index  1.4920
Fp  45 °F
storage temp.  Refrigerator
solubility  Miscible with terahydrofuran, ether, benzene and toluene.
form  Liquid
color  clear to slightly hazy yellow
Specific Gravity 0.877
Water Solubility  Reacts with water.
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
Sensitive  Moisture Sensitive
Detection Methods T
BRN  4006754
CAS DataBase Reference 40949-94-8(CAS DataBase Reference)
Storage Precautions Store under nitrogen
EPA Substance Registry System Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, potassium salt (1:1) (40949-94-8)
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Safety Data

Hazard Codes  C,F
Risk Statements 
R14:Reacts violently with water.
R34:Causes burns.
R67:Vapors may cause drowsiness and dizziness.
R65:Harmful: May cause lung damage if swallowed.
R63:Possible risk of harm to the unborn child.
R48/20:Harmful: danger of serious damage to health by prolonged exposure through inhalation .
R11:Highly Flammable.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
S43:In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add-Never use water) .
S46:If swallowed, seek medical advice immediately and show this container or label .
S16:Keep away from sources of ignition-No smoking .
RIDADR  UN 3263 8/PG 3
WGK Germany  3
F  1-3-10
TSCA  No
HazardClass  3
PackingGroup  II
HS Code  29319090

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