625-33-2|3-Penten-2-oneProducts Supply - Chemical intermediates Network

3-Penten-2-one cas no:625-33-2

Synonyms: 2-Oxo-3-pentene;2-Penten-4-one; Ethylideneacetone; Methyl 1-propenyl ketone; Methyl propenylketone; NSC 61468

Identification

Name3-Penten-2-one
CAS625-33-2
Synonyms2-Oxo-3-pentene;2-Penten-4-one; Ethylideneacetone; Methyl 1-propenyl ketone; Methyl propenylketone; NSC 61468
EINECS(EC#)210-888-3
Molecular FormulaC5H8 O
Molecular Weight84.11642

Chemical Properties

Appearancecolourless liquid with a pungent odour
refractive index1.437
storage temp2-8°C

Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)

Hazardclass3

Safety Data

Hazard F;Xn
Risk R10;R20/21;R36/37
Safety

Safety Information of 3-Penten-2-one (625-33-2):
Hazard Codes: F ,Xn
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.

Toxicity

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.

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3-Penten-2-one cas no:625-33-2

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