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ChemicalBook > Product Catalogue >Inorganic chemistry >industrial gases >Chlorine

Chlorine

Chlorine Structure
  • ₹0
  • Product name: Chlorine
  • CAS: 7782-50-5
  • MF: Cl2
  • MW: 70.91
  • EINECS:231-959-5
  • MDL Number:MFCD00010934
  • Synonyms:CIRL2;Cl2aa;Chlorine in Water;Dimethyl Sulfide-Chlorine;Chlorine molecule;Liquefied chlorine;Chlorine;Chebi:29310
Properties Safety Information Description
Manufacturer Product number Product description Packaging Price Updated Buy

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
solubility :slightly soluble in H2O
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).
Dielectric constant :2.1（-46℃）
Stability :Stable. Incompatible with reducing agents, alcohols.
LogP :-0.85 at 20℃
CAS DataBase Reference :7782-50-5(CAS DataBase Reference)
NIST Chemistry Reference :Chlorine(7782-50-5)
EPA Substance Registry System :Chlorine (7782-50-5)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H270 May cause or intensify fire; oxidizer Oxidising gases Category 1 Danger GHS hazard pictograms P220, P244, P370+P376, P403
H280 Contains gas under pressure; may explode if heated Gases under pressure Compressed gas
Liquefied gas
Dissolved gas		 Warning GHS hazard pictograms P410+P403
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger GHS hazard pictograms P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning GHS hazard pictograms P273, P391, P501
Precautionary statements:
P273 Avoid release to the environment.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P410+P403 Protect from sunlight. Store in a well-ventilated place.

Description

Chlorine is a greenish-yellow, nonflammable gas with a distinctive, pungent odor. It is almost two and one-half times as heavy as air. The gas acts as a severe irritant if inhaled. Chlorine liquid has the color of clear amber and is about one and one-half times as heavy as water. It is shipped as a compressed liquefied gas having a vapor pressure of 86.767 psig at 70°F (598.26 kPa at 21.1°C). Chlorine is nonflammable in both gaseous and liquid states. However, like oxygen, it is capable of supporting the combustion of certain substances. Many organic chemicals react readily with chlorine, in some cases with explosive violence. Chlorine usually forms univalent compounds, but it can combine with a valence of 3, 4,5, or 7.
Chlorine is only slightly soluble in water. When it reacts with pure water, weak solutions of hydrochloric and hypochlorous acids are formed. Chlorine hydrate (Cl2·8H20) may crystallize below 49.3°F (9.61°C).

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