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Chlorine Structure


Product NameChlorine






MDL NumberMFCD00010934

MOL File7782-50-5.mol

Chemical Properties

Melting point −101 °C(lit.)
Boiling point −34 °C(lit.)
Density  1.468(0℃)
vapor density  2.48 (vs air)
vapor pressure  4800 mm Hg ( 20 °C)
storage temp.  -20°C
form  Liquid
color  Clear yellow-green
Odor Highly pungent, bleach-like odor detectable at 0.02 to 3.4 ppm (mean = 0.08 ppm)
Odor Threshold 0.049ppm
Resistivity 1E9 μΩ-cm, 20°C
Water Solubility  0.7 g/100 mL
Merck  13,2112
BRN  3902968
Exposure limits TLV-TWA 1 ppm (~3 mg/m3) (ACGIH and MSHA); ceiling 1 ppm (OSHA), 0.5 ppm/ 15 min (NIOSH); IDLH 30 ppm (NIOSH).
Stability Stable. Incompatible with reducing agents, alcohols.
CAS DataBase Reference 7782-50-5(CAS DataBase Reference)
NIST Chemistry Reference Chlorine(7782-50-5)
EPA Substance Registry System Chlorine (7782-50-5)


Signal wordDanger
Hazard statements H270-H280-H315-H319-H330-H335-H410
Precautionary statements P273-P302+P352-P304+P340+P310-P305+P351+P338-P403+P233-P410+P403
Hazard Codes  T,N,O
Risk Statements  23-36/37/38-50-8
Safety Statements  9-45-61
RIDADR  UN 1017 2.3
WGK Germany  2
RTECS  FO2100000
DOT Classification 2.3, Hazard Zone B (Gas poisonous by inhalation)
HazardClass  2.3
Hazardous Substances Data 7782-50-5(Hazardous Substances Data)
Toxicity LC50 (1 hr) in rats, mice (ppm): 293, 137 (K. C. Back et al., Reclassification of Materials Listed as Transportation Health Hazards (TSA-20-72-3; PB 214-270, 1972) pp A-182-183)
IDLA 10 ppm
NFPA 704:
4 0

Chlorine Price

Chlorine Chemical Properties,Usage,Production

Chlorine Spectrum