Basic information
- Name:
3-Penten-2-one
- CAS No.:
625-33-2
- Molecular Structure:
- Formula:
- C5H8 O
- Molecular Weight:
- 84.13
- Synonyms:
- 2-Oxo-3-pentene;2-Penten-4-one; Ethylideneacetone; Methyl 1-propenyl ketone; Methyl propenylketone; NSC 61468
- Density:
- 0.862 g/mL at 25 °C(lit.)
- Boiling Point:
- 121-124 °C(lit.)
- Flash Point:
- 70 °c
- Solubility:
- slightly soluble in Water
- Appearance:
- colourless liquid with a pungent odour
- Hazard Symbols:
F
Xn- Risk Codes:
- 11-21-36/37/38
- Safety Description:
- Moderately toxic by ingestion, inhalation, and skin contact. A skin and eye irritant. Flammable when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also KETONES. Details
- Transport Information:
- UN 1992
Famous Chemical Enterprises
-
Livzon -
Total -
Shell -
Dupont -
Exxonmobil -
Akzonobel -
Basf -
Bayer -
BP
Please post your buying leads,so that our qualified suppliers will soon
contact you!
*Required Fields
Chemistry
Molecular Structure of 3-Penten-2-one (625-33-2):
EINECS: 210-888-3
IUPAC Name: (E)-Pent-3-en-2-one
Molecular Formula: C5H8O
Molecular Weight: 84.116420 g/mol
XLogP3: 0.5
H-Bond Donor: 0
H-Bond Acceptor: 1
Canonical SMILES: CC=CC(=O)C
Isomeric SMILES: C/C=C/C(=O)C
InChI: InChI=1S/C5H8O/c1-3-4-5(2)6/h3-4H,1-2H3/b4-3+
InChIKey: LABTWGUMFABVFG-ONEGZZNKSA-N
Index of Refraction: 1.411
Molar Refractivity: 25.3 cm3
Molar Volume: 101.8 cm3
Surface Tension: 23.1 dyne/cm
Density: 0.826 g/cm3
Flash Point: 19.8 °C
Enthalpy of Vaporization: 36 kJ/mol
Boiling Point: 122 °C at 760 mmHg
Vapour Pressure: 14.2 mmHg at 25 °C
Water Solubility: 4.618e+004 mg/L at 25 °C
Refractive Index: n20/D 1.437(lit.)
Storage Temp.: 2-8 °C
BRN: 1633505
Toxicity Data With Reference
| 1. | skn-rbt 10 mg/24H | JIHTAB Journal of Industrial Hygiene and Toxicology. 30 (1948),63. | ||
| 2. | eye-rbt 500 mg | JIHTAB Journal of Industrial Hygiene and Toxicology. 30 (1948),63. | ||
| 3. | orl-rat LD50:3200 mg/kg | JIDHAN Journal of Industrial Hygiene. 30 (1948),63. | ||
| 4. | ihl-rat LCLo:250 ppm/4H | JIHTAB Journal of Industrial Hygiene and Toxicology. 31 (1949),343. | ||
| 5. | skn-rbt LD50:500 mg/kg | JIHTAB Journal of Industrial Hygiene and Toxicology. 30 (1948),63. |
Consensus Reports
Community Right-To-Know List. Reported in EPA TSCA Inventory.
Safety Profile
Safety Information of 3-Penten-2-one (625-33-2):
Hazard Codes: F .gif){kind=small}
,Xn .gif){kind=small}
Risk Statements: 11-21-36/37/38
11: Highly Flammable
21: Harmful in contact with skin
36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 16-26-33-36/37/39
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
33: Take precautionary measures against static discharges
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
RIDADR: UN 1992 3/PG 2
WGK Germany: 3
RTECS: SB3850000
F: 10-19
HazardClass: 3
PackingGroup: II
Moderately toxic by ingestion, inhalation, and skin contact. A skin and eye irritant. Flammable when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also KETONES.
Standards and Recommendations
DOT Classification: 3; Label: Flammable Liquid
Specification
3-Penten-2-one (625-33-2) is colourless liquid with a pungent odour. It is also called for 2-Oxo-3-pentene ; 3-01-00-02985 (Beilstein Handbook Reference) ; AI3-37794 ; Ethylidene acetone ; FEMA No. 3417 ; Methyl 1-propenyl ketone ; Methyl propenyl ketone ; NSC 61468 .
