Substance profile
1-Nitropropane
1-Nitropropane is a liquid with a somewhat disagreeable odor.
01 · Identification
What 1-Nitropropane is
1-Nitropropane is a liquid with a somewhat disagreeable odor. It boils at 131 °C, melts at -104 °C.
Under the GHS it carries the signal word Warning. 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 |
|---|---|
| H226 | Flammable liquid and vapour. |
| H332 | Harmful if inhaled. |
| H312 | Harmful in contact with skin. |
| H302 | Harmful if swallowed. |
Precautionary statements: P210, P233, P241, P242, P260, P270, P271, P280, P301, P302, P304, P312, P330, P352, P403
03 · Physical and chemical properties
1-Nitropropane 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 |
|---|---|---|---|
| Boiling point | 131.2 °C (268.2 °F) | HSDB | |
| 131.67 °C (269 °F) | NIOSH | ||
| 132.22 °C (270 °F) | at 760 mmHg | CAMEO | |
| Melting point | -104.3 °C (-155.7 °F) | HSDB | |
| -107.78 °C (-162 °F) | NIOSH | ||
| Density | 1 g/cm³ | NIOSH | |
| 0.9961 g/cm³ | at 25 °C | HSDB | |
| 0.9934 g/cm³ | at 25 °C | CAMEO | |
| Solubility | Slightly soluble in water (1.4 mL/100 mL) | HSDB | |
| Slightly soluble in water | HSDB | ||
| In water, 1.50X10+4 mg/L at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 8 mmHg | NIOSH | |
| 10.1 mmHg | at 25 °C | HSDB | |
| Flash point | 36 °C (96.8 °F) | closed cup | HSDB |
| 33.89 °C (93 °F) | HSDB | ||
| 48.89 °C (120 °F) | HSDB | ||
| Autoignition temperature | 420.56 °C (789 °F) | HSDB | |
| 421 °C (789.8 °F) | ICSC | ||
| Lower explosive limit (LEL) | 2.2 % by volume | HSDB | |
| Vapor density | 3.06 (air = 1) | HSDB | |
| 3.1 (air = 1) | ICSC | ||
| Odor threshold | The AIHA Hygienic Guide states that the odor (of nitropropane) is detectable at 300 ppm but not at 80 ppm. | HSDB | |
| Air odor threshold= 11 ppm (40 mg/cu m) | HSDB | ||
| The air odor threshold for 1-nitropropane is reported as 11 ppm. The water odor threshold for 1-nitropropane is reported as 12 ppm. | HSDB | ||
| Critical temperature and pressure | 402 °C (755.6 °F) | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling 1-Nitropropane
Storage conditions
Store in a cool, dry, well-ventilated location. Separate from amines, acids, alkalies, oxidizing materials, metal oxides, and combustibles. Outside or detached storage is preferred. /Nitropropanes/
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Strong oxidizing agents, Strong bases.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
1-NITROPROPANE forms salts with inorganic bases such as calcium hydroxide. The dry salts are explosive [Chem. Eng. news 30:2344. 1952].
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check 1-Nitropropane in the storage compatibility matrix →