| Formula / Notation | CH2N2 |
|---|---|
| CAS Number | 334-88-3 |
| Molecular Weight | 42.040 |
| Melting Point | -229 °F (NIOSH, 2024) |
| Boiling Point | -9 °F at 760 mmHg (NIOSH, 2024) |
| Density | 1.45 |
| Solubility | Reacts with water (NIOSH, 2024) |
| Appearance | Diazomethane is a yellow gas with a musty odor that is shipped as a liquid under pressure. (NIOSH, 2024) Highly toxic by inhalation. |
| Also Known As | Azimethylene; 334-88-3; Acomethylene; Methane, diazo-; Diazonium methylide; 60A625P70P; DTXSID0024008; CHEBI:73716; azomethylene; RefChem:388924 |
| Category | Laboratory Reagents |
What is Diazomethane?
Diazomethane is the simplest diazo compound, in which a diazo group is attached to a methylene group. It has a role as an alkylating agent, an antineoplastic agent, a carcinogenic agent and a poison.
Formula & Notation
IUPAC Name: diazomethane
Other Names / Synonyms: Azimethylene; 334-88-3; Acomethylene; Methane, diazo-; Diazonium methylide; 60A625P70P; DTXSID0024008; CHEBI:73716; azomethylene; RefChem:388924
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -229 °F (NIOSH, 2024) |
| Boiling Point | -9 °F at 760 mmHg (NIOSH, 2024) |
| Density | 1.45 |
| Molecular Weight | 42.040 |
| Solubility | Reacts with water (NIOSH, 2024) |
| Appearance | Diazomethane is a yellow gas with a musty odor that is shipped as a liquid under pressure. (NIOSH, 2024) Highly toxic by inhalation. |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Diazomethane is the simplest diazo compound, in which a diazo group is attached to a methylene group. It has a role as an alkylating agent, an antineoplastic agent, a carcinogenic agent and a poison.
Used as a synthetic reagent for transformations including oxidation, reduction, coupling, or functional group manipulation.
Hazardous reagent. May be toxic, corrosive, flammable, or reactive. Use in fume hood with full PPE. Consult SDS before use.
The formula or notation for Diazomethane is: CH2N2