Hexamethyldisilazane
Hexamethyldisilazane (17713)
Puranal
Overview
Specifications
General Information
- CAS Number
- 999-97-3
- Grade
- SemEG
Physical Properties
- pH
- Not applicable
- Flashpoint
- 11 °C
- Vapor Pressure
- 100 hPa (50 °C) hectopascal
- Partition Coefficient
- No data available
- Physical Form
- Liquid
- Color
- Colorless
- Odor
- Amine-Like
- Density
- 0.770 to 0.775 g/cm3 (20 °C)
- Boiling Point/Range
- 126 °C (1,013 hPa)
- Melting Point/Range
- -80 °C
Safety Information
- Chemical Stability
- Stable under recommended storage conditions.
- Thermal Decomposition
- No decomposition if used as directed.
- Incompatible Materials
- Water, Incompatible with oxidizing agents, Acids
- Ignition Temperature
- 380 °C (1,013 hPa)
International Transportation
- Packing Group
- II
- Harmonized System Code
- 29319000
- Chemical Class
- 3
- Sub Class 1
- 6.1
- UN Number
- 3286
General Information
- CAS Number
- 999-97-3
- Grade
- SemEG
Physical Properties
- pH
- Not applicable
- Flashpoint
- 11 °C
- Vapor Pressure
- 100 hPa (50 °C) hectopascal
- Partition Coefficient
- No data available
- Physical Form
- Liquid
- Color
- Colorless
- Odor
- Amine-Like
- Density
- 0.770 to 0.775 g/cm3 (20 °C)
- Boiling Point/Range
- 126 °C (1,013 hPa)
- Melting Point/Range
- -80 °C
Safety Information
- Chemical Stability
- Stable under recommended storage conditions.
- Thermal Decomposition
- No decomposition if used as directed.
- Incompatible Materials
- Water, Incompatible with oxidizing agents, Acids
- Ignition Temperature
- 380 °C (1,013 hPa)
International Transportation
- Packing Group
- II
- Harmonized System Code
- 29319000
- Chemical Class
- 3
- Sub Class 1
- 6.1
- UN Number
- 3286
- CAS Number : 999-97-3
- Grade : SemEG
- pH : Not applicable
- Flashpoint : 11 °C
- Vapor Pressure : 100 hPa (50 °C) hectopascal
- Partition Coefficient : No data available
- Physical Form : Liquid
- Color : Colorless
- Odor : Amine-Like
- Density : 0.770 to 0.775 g/cm3 (20 °C)
- Boiling Point/Range : 126 °C (1,013 hPa)
- Melting Point/Range : -80 °C
- Chemical Stability : Stable under recommended storage conditions.
- Thermal Decomposition : No decomposition if used as directed.
- Incompatible Materials : Water, Incompatible with oxidizing agents, Acids
- Ignition Temperature : 380 °C (1,013 hPa)
- Packing Group : II
- Harmonized System Code : 29319000
- Chemical Class : 3
- Sub Class 1 : 6.1
- UN Number : 3286
Property
Value
assay (GC)
98 - 99.4 %
density (D 20/4)
0.770 - 0.775
refractive index (n 20/D)
1.4070 - 1.4090
non-volatile matter
Max. 5 ppm
aluminium (Al)
Max. 0.1 ppm
arsenic, antimony (as As)
Max. 0.01 ppm
calcium (Ca)
Max. 0.1 ppm
copper (Cu)
Max. 0.1 ppm
iron (Fe)
Max. 0.1 ppm
sodium (Na)
Max. 0.5 ppm
lead (Pb)
Max. 0.05 ppm
zinc (Zn)
Max. 0.1 ppm
chloride (Cl)
Max. 5 ppm
