Topic summary

Isobutyl nitrite

Isobutyl nitrite
Names Preferred IUPAC name
2-Methylpropyl nitrite
Other names
Isobutyl nitrite
Identifiers
3D model (JSmol)
ChEBIChemSpiderECHA InfoCard100.008.018UNII
  • InChI=1S/C4H9NO2/c1-4(2)3-7-5-6/h4H,3H2,1-2H3
    Key: APNSGVMLAYLYCT-UHFFFAOYSA-N
  • InChI=1/C4H9NO2/c1-4(2)3-7-5-6/h4H,3H2,1-2H3
    Key: APNSGVMLAYLYCT-UHFFFAOYAF
  • O=NOCC(C)C
Properties C4H9NO2Molar mass103.11976 Appearance Colorless liquid OdorAlmond-like Density0.87 g/mL Boiling point67 °C (153 °F; 340 K) Slightly soluble Hazards Occupational safety and health (OHS/OSH):
Main hazards
Highly flammableLegal status
  • AU:S4 (Prescription only)
  • BR:Class C1 (Other controlled substances)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Isobutyl nitrite, C4H9NO2, is an alkyl nitrite, an ester of isobutanol and nitrous acid. Its chemical structure is (CH3)2CH-CH2-ONO.

Isobutyl nitrite is a pungent colorless liquid. It acts as a vasodilator, and is used as an inhalantrecreational drug, poppers.