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Chlorobenzene Structure

Chlorobenzene

Chemical Properties

Melting point -45 °C (lit.)
Boiling point 132 °C (lit.)
Density  1.106 g/mL at 25 °C (lit.)
vapor density  3.86 (vs air)
vapor pressure  11.8 mm Hg ( 25 °C)
refractive index  n20/D 1.524(lit.)
Flash point 75 °F
storage temp.  2-8°C
solubility  water: soluble0.207 g/L at 20°C
form  Liquid
color  APHA: ≤30
Odor Almond like odour
Relative polarity 0.188
explosive limit 1.3-11%(V)
Evaporation Rate 1.1
Water Solubility  0.4 g/L (20 ºC)
FreezingPoint  -45.6℃
λmax λ: 288 nm Amax: 1.0
λ: 290 nm Amax: 0.40
λ: 300 nm Amax: 0.05
λ: 325 nm Amax: 0.04
λ: 360-400 nm Amax: 0.01
Merck  14,2121
BRN  605632
Henry's Law Constant 1.11, 1.54, 1.81, 2.80, and 3.79 at 2.0, 6.0, 10.0, 18.0, and 25.0 °C, respectively (EPICS-SPME, Dewulf et al., 1999)(x 10-3 atm?m3/mol)
Exposure limits TLV-TWA 75 ppm (~345 mg/m3) (ACGIH, MSHA, OSHA, and NIOSH); IDLH 2400 ppm.
Dielectric constant 5.6(25℃)
Stability Stable. Incompatible with oxidizing agents. Flammable. Attacks some types of plastics, rubber and coatings.
EPA Primary Drinking Water Standard MCL:0.1,MCLG:0.1
LogP 3 at 20℃
Indirect Additives used in Food Contact Substances CHLOROBENZENE
FDA 21 CFR 175.105; 177.1580; 177.1655
CAS DataBase Reference 108-90-7(CAS DataBase Reference)
EWG's Food Scores 5
FDA UNII K18102WN1G
NIST Chemistry Reference Benzene, chloro-(108-90-7)
EPA Substance Registry System Chlorobenzene (108-90-7)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H226-H315-H332-H411
Precautionary statements P210-P233-P240-P273-P303+P361+P353-P304+P340+P312
Hazard Codes  Xn,N,T,F
Risk Statements  10-20-51/53-40-39/23/24/25-23/24/25-11
Safety Statements  24/25-61-36/37-45-16-7
RIDADR  UN 1134 3/PG 3
WGK Germany  2
RTECS  CZ0175000
3-10
Autoignition Temperature 590 °C
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29039190
Hazardous Substances Data 108-90-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2000 - 4000 mg/kg
IDLA 1,000 ppm
NFPA 704:
3
3 0

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