PAC Database - Detailed Chemical Data
Chemical Identity
| Chemical | CAS# | UN# | Health Code Numbers | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hydrazine | 302-01-2 | 2029 |
14.01
4.01
11.01
14.02
4.08
4.05
7.01
8.00
7.00
11.00
|
|||||||||
| Formula | Synonyms | |||||||||||
| H4N2 | HYDRAZINE HYDRATE, HYDRAZINE, ANHYDROUS, DIAMINE, HYDRAZINE AQUEOUS SOLUTION, HYDRAZINE BASE, LEVOXINE, NITROGEN HYDRIDE (N2H4), OXYTREAT 35, HYDRAZINE, AQUEOUS SOLUTIONS, WITH MORE THAN 64% HYDRAZINE, HIDRAZINA, SOLUCIÓN ACUOSA, CON MÁS DEL 64% DE HIDRAZINA (DO, HYDRAZINE, HYDRAZINE, SOLUTION AQUEUSE, CONTENANT PLUS DE 64% D^HYDRAZI, OXYTREAT 35, LEVOXINE | |||||||||||
Physical Properties
| Mol Wt | State | MP (°C) | BP (°C) | VP (Hg) | VP (°C) | SG | LEL (ppm) |
|---|---|---|---|---|---|---|---|
| 32.05 | L | 1.54 | 113.55 | 14.4 | 25 | 1.0036 | 29000 |
PAC Values
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 0.10 | 13 | 35 |
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 0.13 | 17 | 46 |
Technical Basis
A review of available sources identified AEGLs for this chemical. The AEGLs were selected due to their priority among the Protective Action Criteria (Section 1). Values in units mg/m3 are reported as published in the technical support Table 6-1, per Section 3.4.7.2.
• PAC-1 = AEGL-1
• PAC-2 = AEGL-2
• PAC-3 = AEGL-3
This review generated PAC ppm values consistent with Rev. 29A. Differences in the reported PAC-1 value in units mg/m3 may be due to conversion and rounding of these values, instead of use of source values.
• PAC-1 = AEGL-1
• PAC-2 = AEGL-2
• PAC-3 = AEGL-3
This review generated PAC ppm values consistent with Rev. 29A. Differences in the reported PAC-1 value in units mg/m3 may be due to conversion and rounding of these values, instead of use of source values.
References
AEGLs (Table 6-1) and chemical information (Table 6-2) retrieved from: https://www.epa.gov/aegl/hydrazine-results-aeglprogram