Names
Preferred IUPAC name: 2-Methylpropane-2-peroxol
Systematic IUPAC name-Butyl hydroperoxide
Identifiers
CAS Number: 75-91-2
JSmol: Interactive image
Abbreviations: TBHP
Beilstein Reference: 1098280
ChEMBL: ChEMBL348399
ChemSpider: 6170
ECHA InfoCard: 100.000.833
EC Number: 200-915-7
MeSH: tert-Butylhydroperoxide
PubChem: 6410
RTECS number: EQ4900000
UNII: 955VYL842B
UN number: 3109
Properties
Chemical formula: C4H10O2
Molar mass: 90.12 g·mol
Appearance: Colorless liquid
Density: 0.935 g/mL
Melting point: −3 °C (27 °F; 270 K)
Boiling point: 37 °C (99 °F; 310 K) at 2.0 kPa
Solubility in water: miscible
log : 1.23
K: 12.69
K: 1.31
Refractive index: 1.3870
Thermochemistry
Std enthalpy of
formation: −294±5 kJ/mol
Std enthalpy of
combustion: 2.710±0.005 MJ/mol
Hazards
Safety data sheet: [1]
GHS pictograms:
GHS signal word: DANGER
GHS hazard statements: H226 H242 H302 H311 H314 H317 H331 H341 H411
GHS precautionary statements: P220 P261 P273 P280 P305+351+338 P310
NFPA 704:
Flash point: 43 °C (109 °F; 316 K)
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).