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1,2-Dichlorobenzene Structure

1,2-Dichlorobenzene

Chemical Properties

Melting point -15 °C
Boiling point 179 °C
Density  1.306 g/mL at 25 °C(lit.)
vapor density  5.1 (vs air)
vapor pressure  1.2 mm Hg ( 20 °C)
refractive index  n20/D 1.551
Flash point 150 °F
storage temp.  Store below +30°C.
solubility  0.13g/l
form  Liquid
color  Clear colorless to very slightly yellow
Odor Aromatic; characteristic aromatic.
explosive limit 2.2-12%(V)
Water Solubility  0.13 g/L (20 ºC)
λmax λ: 296 nm Amax: 1.00
λ: 300 nm Amax: 0.30
λ: 305 nm Amax: 0.20
λ: 335 nm Amax: 0.05
λ: 375-400 nm Amax: 0.01
Merck  14,3056
BRN  606078
Henry's Law Constant 1.92 at 25 °C (gas stripping-GC, Shiu and Mackay, 1997)
Exposure limits Ceiling 50 ppm (~300 mg/m3) (MSHA, OSHA, and NIOSH); IDLH 1700 ppm (NIOSH).
Dielectric constant 7.5(20℃)
Stability Stable, but possibly light sensitive. Combustible. Incompatible with oxidizing agents, aluminium, aluminium alloys. Attacks some rubbers and plastics.
LogP 3.433 at 25℃
CAS DataBase Reference 95-50-1(CAS DataBase Reference)
IARC 3 (Vol. Sup 7, 73) 1999
NIST Chemistry Reference Benzene, 1,2-dichloro-(95-50-1)
EPA Substance Registry System o-Dichlorobenzene (95-50-1)

Safety Information

Hazard Codes  Xn,N,Xi,F,T
Risk Statements  22-36/37/38-50/53-67-66-52/53-36-11-39/23/24/25-23/24/25-51/53
Safety Statements  9-16-26-60-61-23-45-36/37-7
RIDADR  UN 1993 3/PG 2
WGK Germany  3
RTECS  CZ4500000
Autoignition Temperature 640 °C
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29036100
Hazardous Substances Data 95-50-1(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 500 mg/kg LD50 dermal Rabbit > 10000 mg/kg
IDLA 200 ppm

MSDS

Usage And Synthesis

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