2012年7月3日星期二

Isopropyl alcohol

Properties

Molecular formula: C3H8O

Appearance: Colorless liquid

Density: 0.786 g/cm^3 (20 deg C)

Melting point: - 89 deg C

Boiling point: 82.5 deg C

Flash point: 11.7 deg C (open cup); 13 deg C (closed cup)

Solubility in water: miscible

Solubility:

  • miscible in benzene, chloroform, ethanol, ether, glycerin
  • soluble in acetone
  • insoluble in salt solutions
1618090305: 1813 D.EX / 1107

Main hazards: Flammable


also known as
  • isopropanol
  • propan-2-ol
  • 2-propanol
  • rubbing alcohol
  • the abbreviation IPA

is a colorless, flammable chemical compound with a strong odor



Uses
  • pharmaceutical application, presumably due to the low toxicity of any residues.
  • solvent, cleaning fluid (cleaning electronic devices), dissolving oil
  • weed killer
  • medical: disinfecting pads (消毒垫), hand sanitizer, 
  • Laboratory: biological specimen preservative (生物标本防腐剂), preserve specimens (保存标本), DNA extraction


Safety: 
  • is highly flammable, should be keep away from heat and open flame
  • long term application to the skin can cause defatting (脱脂)
  • Symptoms of poisoning: flushing, headache, dizziness, CNS depression, nausea, vomiting, anesthesia, and coma.