Basic information
- Name:
5-Nonanone
- CAS No.:
502-56-7
- Molecular Structure:
- Formula:
- C9H18 O
- Molecular Weight:
- 142.27
- Synonyms:
- Butylketone; Dibutyl ketone; NSC 14761
- EINECS:
- 207-946-5
- Density:
- 0.826
- Melting Point:
- -50 ºC
- Boiling Point:
- 186-187 ºC
- Flash Point:
- 65 ºC
- Solubility:
- slightly soluble in Water
- Appearance:
- clear or slight yellow liquid
- Hazard Symbols:
Xn- Risk Codes:
- 20/21/22
- Safety Description:
- Moderately toxic by ingestion and intravenous routes. A flammable liquid. When heated to decomposition it emits acrid smoke and irritating fumes. See also KETONES. Details
- Transport Information:
- UN 1224
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Chemistry
IUPAC Name:Nonan-5-one
Synonyms : Dibutyl ketone
Molecular Structure: 
Molecular Formula: C9H18O
Molecular Weight: 142.24
CAS NO: 502-56-7
EINECS: 207-946-5
Mol File: 502-56-7.mol
Density : 0.826
Melting point: -50 ºC
Boiling point: 186-187 ºC
Refractive index : 1.418-1.42
Flash point: 65 ºC
Surface Tension: 26.5 dyne/cm
Enthalpy of Vaporization: 42.62 kJ/mol
Vapour Pressure: 0.553 mmHg at 25°C
BRN : 1743583
Appearance: 5-Nonanone (CAS NO.502-56-7) is clear colourless to slightly yellow liquid.
Toxicity Data With Reference
| 1. | orl-rat LDLo:1000 mg/kg | CTOXAO Clinical Toxicology. 17 (1980),271. | ||
| 2. | ivn-mus LD50:1379 mg/kg | JPMSAE Journal of Pharmaceutical Sciences. 67 (1978),566. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Safety Statements 23-24/25
S23:Do not breathe vapour.
S24/25:Avoid contact with skin and eyes.
RIDADR UN 1224 3/PG 3
WGK Germany 3
RTECS RA8230000
PackingGroup III
HS Code 29141990
Standards and Recommendations
DOT Classification: 3; Label: Flammable Liquid
Specification
1.General Description : Colorless to light yellow liquid. Floats on water. Freezing point is 21°F.
2.Air & Water Reactions : 5-Nonanone (CAS NO.502-56-7) is highly flammable.
3.Reactivity Profile : 5-Nonanone (CAS NO.502-56-7) are reactive with many acids and bases liberating heat and flammable gases (e.g., H2). The amount of heat may be sufficient to start a fire in the unreacted portion of the ketone. Ketones react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (H2) and heat. Ketones are incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. They react violently with aldehydes, HNO3, HNO3 + H2O2, and HClO4. May attack some forms of plastics .
4.Health Hazard :Inhalation causes irritation of nose and throat. Ingestion causes irritation of mouth and stomach. Contact with eyes or skin causes irritation.
