| Melting point: |
−97 °C(lit.) |
| Boiling point: |
−24.2 °C(lit.) |
| Density |
0.915 g/mL at 25 °C(lit.) |
| vapor density |
1.74 (vs air) |
| vapor pressure |
3796 mm Hg ( 20 °C) |
| refractive index |
1.0007 |
| Flash point: |
<-30 °F |
| storage temp. |
2-8°C |
| solubility |
water: soluble5.32g/L at 25°C |
| form |
Colorless gas |
| color |
Colorless to Almost colorless |
| Odor |
faint sweet ethereal odor |
| explosive limit |
19% |
| Water Solubility |
5.347g/L(24.9 ºC) |
| Merck |
14,6041 |
| BRN |
1696839 |
| Henry's Law Constant |
In seawater: 5.22 at 5 °C, 6.36 at 10 °C, 8.72 at 15 °C, 9.35 at 20 °C, 11.20 at 25 °C (Moore,
2000) |
| Exposure limits |
TLV-TWA 50 ppm (～105 mg/m3) (ACGIH),
100 ppm (～210 mg/m3) (OSHA); ceiling
100 ppm (MSHA), 200 ppm (OSHA); TLV STEL 100 ppm (ACGIH); carcinogenicity:
Animal Inadequate Evidence, Human Inad equate Evidence (IARC). |
| Dielectric constant |
12.6（-20℃） |
| Stability: |
Stable. May react violently or explosively with interhalogens, magnesium, zinc, potassium, sodium or their alloys. Incompatible with natural rubber and neoprene composites, but does not attack PVA. Highly flammable. May decompose upon exposure to moist air or water. |
| CAS DataBase Reference |
74-87-3(CAS DataBase Reference) |
| IARC |
3 (Vol. 41, Sup 7, 71) 1999 |
| EPA Substance Registry System |
Chloromethane (74-87-3) |