Hexamethyldisilazane, Electronic/Cleanroom Grade
Hexamethyldisilazane (HMDS), also known as Bis(trimethylsilyl)amine, is an essential chemical for the electronics industry. This high-purity Electronic/Cleanroom Grade HMDS serves as a reliable primer and adhesion promoter, making it invaluable in the manufacture of semiconductors and photovoltaics. Its remarkably low metals content renders it ideal for sensitive applications, such as etching solutions for semiconductor chips.
Key Features:
- Chemical Comments: Packaged in a cleanroom environment for optimal purity.
- Chemical CAS Number: 999-97-3
- Chemical Formula: C6H19NSi2
- Chemical Formula Weight: F.W. 161.40
- Assay: Minimum purity of 99.0%
- Refractive Index: 1.4050-1.4060
- Trailing Impurities: Approx. 0.1% Area
Chemical Specifications:
| Physical Properties |
Color (APHA): 10 |
| Physical Properties |
Absorbance @ 270 nm: 0.25 |
| Physical Properties |
Turbidity: 1.0 NTU |
| Water Content |
50 ppm |
| Residue after Ignition |
10 ppm |
Toxicology and Safety:
This chemical is classified under hazard class 3 as a flammable liquid that is toxic and corrosive. Proper handling and storage procedures must be followed, as it is moisture-sensitive and should be kept tightly closed. The DOT description is as follows: Flammable liquid, toxic, corrosive, n.o.s. (hexamethyldisilazane).
Hazard Class Information:
| Ratings |
| Health:3 |
| Flammability:3 |
| Reactivity:1 |
Storage and Handling:
Hexamethyldisilazane should be stored in a cool, dry place away from sunlight. Due to its moisture sensitivity, it is crucial to maintain a tightly sealed container.
Chemical Packaging Group:
PG II | Additional UPS-imposed hazardous material charge may apply.
Environmental and Health Info:
- Flammable: Yes, with appropriate safety measures.
- Toxic: Yes, handle with care.
- Corrosive: Yes, use personal protective equipment.
