Disilane
Synonym(s):Disilicane;Disilicoethane;Disilicon hexahydride;Silicoethane;Silicon hydride (Si2 H6 )
- CAS NO.：1590-87-0
- Empirical Formula: H6Si2
- Molecular Weight: 62.22
- MDL number: MFCD00054678
- EINECS: 216-466-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:49:12
What is Disilane?
Chemical properties
colourless gas with a foul odour
The Uses of Disilane
Precursor for the rapid, low temperature deposition of epitaxial silicon and silicon-based dielectrics.1
Definition
ChEBI: Disilicon is an elemental silicon.
Properties of Disilane
| Melting point: | -132°C |
| Boiling point: | -14,5°C |
| Density | 0,686 g/cm3 |
| Flash point: | <10°C |
| solubility | reacts with H2O, ctc, chloroform; soluble in EtOH, benzene |
| form | colorless gas |
| color | colorless gas; flammable |
| Specific Gravity | 0.686 |
| Water Solubility | soluble CS2, ethanol, benzene [MER06] |
| Hydrolytic Sensitivity | 10: reacts extremely rapidly with moisture and oxygen - may be pyrophoric - sealed system required |
| Merck | 13,3391 |
| Stability: | Pyrophoric. Reacts violently with oxidizers and halogens. May form explosive mixtures with air. |
| CAS DataBase Reference | 1590-87-0 |
| EPA Substance Registry System | Disilane (1590-87-0) |
Safety information for Disilane
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Gas Cylinder Compressed Gases GHS04  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H221:Flammable gases H280:Gases under pressure H312:Acute toxicity,dermal H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H334:Sensitisation, respiratory 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. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P410+P403:Protect from sunlight. Store in a well-ventilated place. |
Computed Descriptors for Disilane
| InChIKey | PZPGRFITIJYNEJ-UHFFFAOYSA-N |
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