PAC Database - Detailed Chemical Data
Chemical Identity
| Chemical | CAS# | UN# | Health Code Numbers | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Silane; (Silicon tetrahydride) | 7803-62-5 | 2203 |
18.00
15.01
11.01
7.01
4.06
4.09
4.04
4.07
4.11
16.02
|
|||||||||
| Formula | Synonyms | |||||||||||
| H4Si | SILANE, FLOTS 100SCO, MONOSILANE, MONOSILANE (SIH4), SILANE (DOT FRENCH), SILANE, COMPRESSED, SILANE, COMPRIMÉ (DOT FRENCH), SILANO (DOT SPANISH), SILANO, COMPRIMIDO (DOT SPANISH), SILICANE, SILICON HYDRIDE, SILICON HYDRIDE (SIH4), SILICON TETRAHYDRIDE | |||||||||||
Physical Properties
| Mol Wt | State | MP (°C) | BP (°C) | VP (Hg) | VP (°C) | SG | LEL (ppm) |
|---|---|---|---|---|---|---|---|
| 32.13 | G | -185 | -112 | 0.68 @ 185°C | 14000 |
PAC Values
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 100 | 130 | 270 |
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 130 | 170 | 350 |
Technical Basis
A review of available sources identified AEGLs for this chemical. The AEGLs were selected due to their priority among Protective Action Criteria (Section 1).
• PAC-1 = AEGL-1
• PAC-2 = AEGL-2
• PAC-3 = AEGL-3
This review generated PAC values consistent with Rev. 29A*.
• PAC-1 = AEGL-1
• PAC-2 = AEGL-2
• PAC-3 = AEGL-3
This review generated PAC values consistent with Rev. 29A*.
References
AEGLs (Summary table) and chemical information (Table 1) retrieved from: https://www.epa.gov/aegl/silane-results-aegl-program