Browse › Chemical

chlorine

CAS 7782-50-5 · Cl2
Hazard class
Danger — Oxidiser, Gas under pressure, Toxic, Environmental hazard
Pictograms
OxidiserGas under pressureToxicEnvironmental hazard
H-statements
  • H270 May cause or intensify fire; oxidiser
  • H331 Toxic if inhaled
  • H335 May cause respiratory irritation
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H400 Very toxic to aquatic life
Common uses (US EPA CDR)
IntermediateProcessing aids not otherwise specifiedBleaching agentOxidizing agentOpaciferRefrigerants
Workplace exposure limits
NIOSH REL C 0.5 ppm (1.45 mg/m3) [15-minute]
OSHA PEL C 1 ppm (3 mg/m3)
IDLH 10 ppm
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
CHLORINE · Molecular chlorine · dichlorine · Bertholite · Chlorine gas · Chlorinum · Chloor · Chlore
Molecular weight
70.9 g/mol
Data source
Harmonised classification ECHA — EU CLP Annex VI
Legally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
Search the full chemical database →
GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). SNRL is a free chemical safety search. Browse categories · API · Console