Substance profile
Butyl nitrite
Butyl nitrite is a chemical substance with the molecular formula C4H9NO2.
01 · Identification
What Butyl nitrite is
Butyl nitrite is a chemical substance with the molecular formula C4H9NO2. Its molecular formula is C4H9NO2 and its molecular weight is 103.12 g/mol.
Under the GHS it carries the signal word Danger. It is classed as flammable agents - 3rd degree.
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H225 | Highly flammable liquid and vapour. |
| H331 | Toxic if inhaled. |
| H301 | Toxic if swallowed. |
Precautionary statements: P210, P233, P241, P242, P260, P270, P271, P301, P304, P310, P330, P403
03 · Physical and chemical properties
Butyl nitrite properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Vapor pressure | 81.3 mmHg | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Butyl nitrite
Reactivity
BUTYL NITRITE is an oxidizing agent but can serve as a reducing agent. May begin a vigorous reaction that culminates in a detonation if mixed with reducing agents, including hydrides, sulfides, nitrides, ammonium salts, cyanides, and many fuels.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Butyl nitrite in the storage compatibility matrix →