二氯一氟甲烷CHCl2F
CAS-No.: | 75-43-4 |
---|---|
UN-No.: | 1029 |
EINECS No.: | 200-869-8 |
Kemler Code: | 20 |
Hazard signs
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Occupational exposure limit
WORKPLACE EXPOSURE STANDARDS FOR AIRBORNE CONTAMINANTS (AU)
- TWA (ppm) 10
- TWA (mg/m3) 42
- H: 280
Contains gas under pressure; may explode if heated
- H: 420
Harms public health and the environment by destroying ozone in the upper atmosphere
- P: 403
Store in a well-ventilated place
No statement for this group.
目前沒有 GHS 分類。
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Melting point:
-135 °C Boiling Point:
8.9 °C Density (at 20 °C):
rel. 3,65 g/cm3Ionization:
11.75 ± 0.02 eVVapor Pressure (at 20 °C):
1531 hPa
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Also known as:
- dichloro(fluoro)methane
- Dichlorofluoromethane
- Dichloromonofluoromethane
- F 21
- Fluordichlormethan
- Fluorodichloromethane
- R 21
- Refrigerant 21
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