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Dichloromethane Structure


Chemical Properties

Melting point -97 °C
Boiling point 39.8-40 °C mm Hg(lit.)
Density  1.325 g/mL at 25 °C(lit.)
vapor density  2.9 (vs air)
vapor pressure  24.45 psi ( 55 °C)
refractive index  n20/D 1.424(lit.)
Flash point 39-40°C
storage temp.  room temp
solubility  Miscible in ethyl acetate, alcohol, hexanes, methanol, diethyl ether, n-octanol, acetone benzene, carbon tetrachloride, diethyl ether and chloroform.
form  Liquid
color  APHA: ≤10
Specific Gravity 1.329 (20/20℃)
Odor Odor threshold 160 to 230 ppm
Odor Threshold 160ppm
explosive limit 13-22%(V)
Water Solubility  20 g/L (20 ºC)
λmax λ: 235 nm Amax: 1.00
λ: 240 nm Amax: 0.20
λ: 250 nm Amax: 0.05
λ: 260 nm Amax: 0.02
λ: 340-400 nm Amax: 0.01
Merck  14,6063
BRN  1730800
Henry's Law Constant 2.49 at 30 °C (headspace-GC, Sanz et al., 1997)
Exposure limits TLV-TWA 50 ppm (~175 mg/m3) (ACGIH); carcinogenicity: Suspected Human Carcinogen (ACGIH), Animal Sufficient Evidence, Human Inadequate Evidence (IARC).
CAS DataBase Reference 75-09-2(CAS DataBase Reference)
IARC 2A (Vol. Sup 7, 71, 110) 2017
NIST Chemistry Reference Methylene chloride(75-09-2)
EPA Substance Registry System Methylene chloride (75-09-2)


Signal wordWarning
Hazard statements H315-H319-H336-H351
Precautionary statements P201-P202-P261-P302+P352-P305+P351+P338-P308+P313
Hazard Codes  Xn,T,F,N,C
Risk Statements  40-39/23/24/25-23/24/25-11-67-36/37/38-68/20/21/22-20/21/22-50-37-34
Safety Statements  23-24/25-36/37-45-16-7-26-61-36/37/39
RIDADR  UN 1593 6.1/PG 3
WGK Germany  2
RTECS  PA8050000
Autoignition Temperature 556 °C
Hazard Note  Harmful
HS Code  2903 12 00
HazardClass  6.1
PackingGroup  III
Hazardous Substances Data 75-09-2(Hazardous Substances Data)
Toxicity LD50 orally in young adult rats: 1.6 ml/kg (Kimura)
IDLA 2,300 ppm
NFPA 704:
2 0

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