METHYL CHLORIDE

Details:

Product Name: METHYL CHLORIDE
Synonyms: oromethane soL;Chlormethan;Chlor-methan;chloro-methan;chloromethane(methylchloride);chloromethane-d3(gas);Chlorure de methyle;chloruredemethyle
CAS: 74-87-3
MF: CH3Cl
MW: 50.49
EINECS: 200-817-4
Product Categories: refrigerants;Organics;CCosmetics;CFCsAlphabetic;Allergens;Alpha Sort;C;CH;Volatiles/ Semivolatiles;Alkyl;Halogenated Hydrocarbons;Organic Building Blocks;Building Blocks;Chemical Synthesis;Halogenated Hydrocarbons;Organic Building Blocks;Specialty Gases;Synthetic Reagents
Mol File: 74-87-3.mol
METHYL CHLORIDE Structure
METHYL CHLORIDE Chemical Properties
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
Fp  <-30 °F
storage temp.  2-8°C
solubility  water: soluble5.32g/L at 25°C
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).
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)
EPA Substance Registry System Chloromethane (74-87-3)
Safety Information
Hazard Codes  F+,Xn,T,F
Risk Statements  12-40-48/20-67-66-22-19-38-23/25-11-39/23/24/25-23/24/25-62-63
Safety Statements  9-16-33-29-36-24-45-7-36/37
RIDADR  UN 1993 3/PG 1
WGK Germany  2
RTECS  PA6300000
Autoignition Temperature 1169 °F
HazardClass  2.1
PackingGroup  II
Toxicity LC50 (inhalation) for mice 3,146 ppm/7-h, rats 152,000 mg/m3/30-min (quoted, RTECS, 1985).