Substance profile
Butyraldehyde oxime
Butyraldehyde oxime: butyraldoxime appears as a liquid.
01 · Identification
What Butyraldehyde oxime is
Butyraldehyde oxime: butyraldoxime appears as a liquid. Its molecular formula is C4H9NO and its molecular weight is 87.12 g/mol. It boils at 152 °C, melts at -29.5 °C.
Under the GHS it carries the signal word Danger. It is classed as flammable agents - 2nd 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 |
|---|---|
| H311 | Toxic in contact with skin. |
| H302 | Harmful if swallowed. |
| H319 | Causes serious eye irritation. |
Precautionary statements: P264, P270, P280, P301, P302, P305, P310, P312, P313, P330, P337, P338, P352
03 · Physical and chemical properties
Butyraldehyde oxime 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 | 152.22 °C (306 °F) | at 760 mmHg | CAMEO |
| Melting point | -29.5 °C (-21.1 °F) | CAMEO | |
| Density | 0.923 g/cm³ | CAMEO | |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) | at 20 °C | CAMEO |
| Flash point | 57.78 °C (136 °F) | CAMEO | |
| Vapor density | 3.01 (air = 1) | CAMEO |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Butyraldehyde oxime
Reactivity
BUTYRALDOXIME is highly explosive during vacuum distillation. This chemical is incompatible with oxidizing materials. It is also incompatible with metallic impurities. It may react with strong acids. (NTP, 1992)
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Butyraldehyde oxime in the storage compatibility matrix →