Heptamethyldisilazane
Synonym(s):Heptamethyldisilazane
- CAS NO.：920-68-3
- Empirical Formula: C7H21NSi2
- Molecular Weight: 175.42
- MDL number: MFCD00008262
- EINECS: 213-061-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-10-31 13:32:20
What is Heptamethyldisilazane?
Chemical properties
Clear liquid with amine odor
Properties of Heptamethyldisilazane
| Boiling point: | 144-147 °C(lit.) |
| Density | 0.799 g/mL at 20 °C(lit.) |
| refractive index | n |
| Flash point: | 27 °C |
| storage temp. | Flammables area |
| form | clear liquid |
| pka | 14.41±0.70(Predicted) |
| Specific Gravity | 0.798 |
| color | Colorless to Almost colorless |
| Water Solubility | Decomposes |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1737290 |
| CAS DataBase Reference | 920-68-3(CAS DataBase Reference) |
| EPA Substance Registry System | Silanamine, N,1,1,1-tetramethyl-N-(trimethylsilyl)- (920-68-3) |
Safety information for Heptamethyldisilazane
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Heptamethyldisilazane
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