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40949-94-8

40949-94-8 structure
40949-94-8 structure

Name Hexamethyldisilazane Potassium Salt
Synonyms Potassium 1,1,1,3,3,3-hexamethyldisilazan-2-ide
Potassium bis(trimethylsilyl)amide,0.7M
1-SI-1&1&NK-SI-1&1&1
Potassium bis(trimethylsilyl)amide
1-SI-1&1&M-SI-1&1&1 &&K salt
MFCD00010330
Potassium hexamethyldisilazide
EINECS 424-100-2
potassium,bis(trimethylsilyl)azanide
Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, potassium salt (1:1)
Density 0.877 g/mL at 25 °C
Boiling Point 111 °C
Molecular Formula C6H18KNSi2
Molecular Weight 199.483
Flash Point 45 °F
Exact Mass 199.061478
PSA 3.24000
LogP 2.42250
Vapour density 3.2 (vs air)
Vapour Pressure 54 mm Hg ( 25 °C)
Index of Refraction 1.4920
Storage condition Refrigerator
Symbol GHS02 GHS05 GHS07 GHS08
GHS02, GHS05, GHS07, GHS08
Signal Word Danger
Hazard Statements H225-H304-H314-H336-H361d-H373
Supplemental HS Reacts violently with water.
Precautionary Statements P210-P261-P280-P301 + P310-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F:Flammable;C:Corrosive;
Risk Phrases R11;R14;R34;R48/20;R63;R65;R67
Safety Phrases S26-S36/37/39-S45-S62-S43-S46-S16
RIDADR UN 3263 8/PG 3
WGK Germany 3
Packaging Group II
Hazard Class 3
HS Code 2931900090
HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%