Nitromethane
A primary nitroalkane that is methane in which one of the hydrogens is replace by a nitro group. A polar solvent (b.p. 101 °C), it is an important starting material in organic synthesis. It is also used as a fuel for rockets and radio-controlled models. — ChEBI
Safety documents & references
2 indexed referencesFind a product-specific SDS
Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.
Identity & molecular properties
Source-linked values| CAS number | 75-52-5 | ChEBI ↗ |
| Molecular formula | CH3NO2 | ChEBI ↗ |
| Molar mass | 61.04 g/mol | ChEBI ↗ |
| Monoisotopic mass | 61.01638 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:77701 | ChEBI ↗ |
Names & structural identifiers
Copy any identifiernitromethanenitromethaneLYGJENNIWJXYER-UHFFFAOYSA-NC[N+](=O)[O-]InChI=1S/CH3NO2/c1-2(3)4/h1H3Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Safety classification · Japan
NITE / Japanese governmentNitromethane · H29-B-053
| Endpoint | Reported classification |
|---|---|
| Flammable liquids | Category 3 |
| Self-reactive substances and mixtures | Type G |
| Acute toxicity （Oral） | Category 4 |
| Serious eye damage/eye irritation | Category 2 |
| Carcinogenicity | Category 2 |
| Specific target organ toxicity - Single exposure | Category 1 (liver), Category 2 (central nervous system), Category 3 (respiratory tract irritation, narcotic effects) |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 61.04 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsONCHCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
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