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Hydrazine

CAS 302-01-2 · H4N2
Hazard class
Danger — Flammable, Health hazard, Toxic, Corrosive, Environmental hazard
Pictograms
FlammableHealth hazardToxicCorrosiveEnvironmental hazard
H-statements
  • H226 Flammable liquid and vapour
  • H350 May cause cancer
  • H331 Toxic if inhaled
  • H311 Toxic in contact with skin
  • H301 Toxic if swallowed
  • H314 Causes severe skin burns and eye damage
  • H317 May cause an allergic skin reaction
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects
Common uses (US EPA CDR)
FuelCorrosion inhibitorAnti-scaling agentIntermediateProcessing aids not otherwise specifiedReducing agent
Workplace exposure limits
NIOSH REL Ca C 0.03 ppm (0.04 mg/m3) [2-hour]
OSHA PEL TWA 1 ppm (1.3 mg/m3) [skin]
IDLH Ca [50 ppm]
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
HYDRAZINE · 302-01-2 · Levoxine · Hydrazine base · Oxytreat 35 · Nitrogen hydride · Hydrazin · Hydrazyna
Molecular weight
32.046 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.
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