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Isopropyl alcohol

Names Preferred IUPAC namePropan-2-olOther names 2-PropanolIsopropanolRubbing alcoholsec-Propyl alcohol2-HydroxypropaneDimethyl carbinolIdentifiers CAS Number67-63-03D model (JSmol)Interactive imageAbbreviations IPAMe2CHOHi-PrOHiPrOHPrOH Beilstein Reference635639 ChEBICHEBI:17824ChEMBLChEMBL582ChemSpider3644ECHA InfoCard100.000.601Gmelin Reference1464 KEGGD00137PubChemCID3776RTECS numberNT8050000UNIIND2M416302UN number1219 CompTox Dashboard(EPA)DTXSID7020762InChIInChI=1S/C3H7OH/c1-3(2)4/h3-4H,1-2H3Key: KFZMGEQAYNKOFK-UHFFFAOYSA-NSMILESCC(O)CProperties Chemical formulaC3H8OMolar mass60.096 g·mol Appearance Colorless liquid OdorPungent alcoholic odor Density0.786g/cm (20°C) Melting point−89 °C (−128 °F; 184 K) Boiling point82.6 °C (180.7 °F; 355.8 K) Critical point (T, P) 508.7 K (235.6 °C), 5370 kPa Solubility in waterMiscibleSolubilityMiscible with benzene, chloroform, ethanol, diethyl ether, glycerol; soluble in acetonelog P−0.16 Acidity (pKa) 16.5 Magnetic susceptibility (χ)−45.794·10cm/mol Refractive index (nD)1.3776 Viscosity2.86cP at 15°C1.96cP at 25°C1.77 cP at 30 °C Dipole moment1.66D (gas) Thermochemistry Heat capacity(C)2.68 J/(gK) at 20°C-25°C Std molarentropy(S298)180 J/(mol K) Std enthalpy offormation(ΔfH298)−318.2 kJ/mol Enthalpy of fusion(ΔfHfus)5.28 kJ/mol Enthalpy of vaporization(ΔfHvap)44.0 kJ/mol Pharmacology ATC codeD08AX05 (WHO) Hazards Occupational safety and health (OHS/OSH): Main hazardsFlammable, mildly toxic GHS labelling: PictogramsSignal wordDangerHazard statementsH225, H302, H319, H336Precautionary statementsP210, P261, P305+P351+P338NFPA 704 (fire diamond) 130Flash pointOpen cup: 11.7 °C (53.1 °F; 284.8 K) Closed cup: 13 °C (55 °F) Autoignitiontemperature399 °C (750 °F; 672 K) Explosive limits2–12.7% Threshold limit value (TLV)980mg/m (TWA), 1225mg/m (STEL) Lethal dose or concentration (LD, LC): LD50 (median dose)12800mg/kg (dermal, rabbit)3600mg/kg (oral, mouse)5000mg/kg (oral, rat)2364mg/kg (oral, rabbit)LC50 (median concentration)53,000mg/m (inhalation, mouse)12,000ppm (rat, 8h)LCLo (lowest published)16,000ppm (rat, 4h)12,800ppm (mouse, 3h)NIOSH (US health exposure limits): PEL (Permissible)TWA 400ppm (980mg/m) REL (Recommended)TWA 400ppm (980mg/m), ST 500ppm (1225 mg/m) IDLH (Immediate danger)2000ppm Safety data sheet (SDS) [1]Related compounds Related alcohols1-Propanol, ethanol, 2-butanolRelated compoundsAcetoneSupplementary data page Isopropyl alcohol (data page)Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Yverify ( ?)

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