Isobutyl nitrite

Isobutyl nitrite
IUPAC name 2-Methylpropyl nitrite
Identifiers
CAS number	542-56-3
PubChem	10958
ChemSpider	10493 Y
ChEBI	CHEBI:46643 Y
Jmol-3D images	Image 1
SMILES O=NOCC(C)C
InChI InChI=1S/C4H9NO2/c1-4(2)3-7-5-6/h4H,3H2,1-2H3 Y Key: APNSGVMLAYLYCT-UHFFFAOYSA-N Y InChI=1/C4H9NO2/c1-4(2)3-7-5-6/h4H,3H2,1-2H3 Key: APNSGVMLAYLYCT-UHFFFAOYAF
Properties
Molecular formula	C4H9NO2
Molar mass	103.11976
Density	0.87 g/mL
Boiling point	67 °C, 340 K, 153 °F
Solubility in water	Slightly soluble
Hazards
Main hazards	Highly flammable
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Isobutyl nitrite, C₄H₉NO₂, is an alkyl nitrite, an ester of isobutanol and nitrous acid. Its chemical structure is (CH₃)₂CH-CH₂-O-NO.

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

Applications

Isobutyl nitrite is one of the compounds used as poppers, an inhalant drug that induces a brief euphoria. It is also used as part of the antidote package for cyanide poisoning.

See also

• Poppers