Potassium hexamethyldisilazide

Names

[ Name ]:
Potassium hexamethyldisilazide

[Synonym ]:
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)

Chemical & Physical Properties

[ 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

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

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

Customs

[ 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%

Articles

Effect of concentration of trimethylchlorosilane (TMCS) and hexamethyldisilazane (HMDZ) silylating agents on surface free energy of silica aerogels.

J. Colloid. Interface Sci. 356(1) , 298-302, (2011)

The surface free energy of a solid determines its surface and interfacial behavior in processes like wetting and adhesion which is crucial for silica aerogels in case of organic liquid absorption and ...

Europium bis(dimethylsilyl)amides including mixed-valent Eu3[N(SiHMe2)2]6[μ-N(SiHMe2)2]2.

Dalton Trans. 43(46) , 17324-32, (2014)

Trivalent Eu[N(SiHMe2)2]3(THF)2 can easily be synthesized by applying a routine salt metathesis protocol (EuCl3(THF)2 and 3 equiv. of Li[N(SiHMe2)2] in n-hexane) which crystallizes isotypically to its...

A facile two-step dipping process based on two silica systems for a superhydrophobic surface.

Chem. Commun. (Camb.) 47(38) , 10761-3, (2011)

A silica microsphere suspension and a silica sol are employed in a two-step dipping process for the preparation of a superhydrophobic surface. It's not only a facile way to achieve the lotus effect, b...