1-Penten-3-one

Modify Date: 2025-08-21 20:16:31

1-Penten-3-one Structure
1-Penten-3-one structure
Common Name 1-Penten-3-one
CAS Number 1629-58-9 Molecular Weight 84.116
Density 0.8±0.1 g/cm3 Boiling Point 104.3±9.0 °C at 760 mmHg
Molecular Formula C5H8O Melting Point N/A
MSDS Chinese USA Flash Point -6.7±0.0 °C
Symbol GHS02 GHS05 GHS06
GHS02, GHS05, GHS06
Signal Word Danger

 Use of 1-Penten-3-one


1-Pentene-3-one is a reactive compound classified as an enone. It is a colorless, flammable, highly toxic liquid with a pungent odor; it is the oxidized product of pentanol.

 Names

Name Ethyl vinyl ketone
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.8±0.1 g/cm3
Boiling Point 104.3±9.0 °C at 760 mmHg
Molecular Formula C5H8O
Molecular Weight 84.116
Flash Point -6.7±0.0 °C
Exact Mass 84.057518
PSA 17.07000
LogP 0.57
Vapour Pressure 31.1±0.2 mmHg at 25°C
Index of Refraction 1.399

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SB3800000
CHEMICAL NAME :
1-Penten-3-one
CAS REGISTRY NUMBER :
1629-58-9
BEILSTEIN REFERENCE NO. :
1735857
LAST UPDATED :
199712
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C5-H8-O
MOLECULAR WEIGHT :
84.13
WISWESSER LINE NOTATION :
2V1U1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00948

 Safety Information

Symbol GHS02 GHS05 GHS06
GHS02, GHS05, GHS06
Signal Word Danger
Hazard Statements H225-H301 + H311 + H331-H314
Precautionary Statements P210-P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P403 + P233
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F:Flammable;T:Toxic;
Risk Phrases R11;R23/24/25;R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3286 3/PG 2
WGK Germany 3
RTECS SB3800000
Packaging Group II
Hazard Class 3
HS Code 2914190090

 Synthetic Route

 Customs

HS Code 2914190090
Summary 2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Articles20

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The aim of the present study was to evaluate the off-flavour masking potential of pea dextrin (PD) in emulsions rich in ω-3 and ω-6-fatty acids in comparison with maltodextrin (MD) and 2-hydroxypropyl...

Modeling the sensory impact of defined combinations of volatile lipid oxidation products on fishy and metallic off-flavors.

J. Agric. Food Chem. 52(6) , 1635-41, (2004)

The volatiles (E,Z)-2,6-nonadienal, 1-penten-3-one, (Z)-4-heptenal, and (E,E)-2,4-heptadienal were added to milk containing 1.5% fat according to a central composite design, to evaluate the individual...

Inhalation toxicity studies of the alpha,beta-unsaturated ketones: ethyl vinyl ketone.

Inhal. Toxicol. 13(8) , 633-58, (2001)

The National Toxicology Program is conducting a chemical class study to investigate the structure-activity relationships for the toxicity of alpha,beta-unsaturated ketones. Ethyl vinyl ketone (EVK) wa...

 Synonyms

MFCD00009316
1-Penten-3-one
Ketone, ethyl vinyl
1-Penten-3-one,Ethyl vinyl ketone
EINECS 216-624-3
Pent-1-en-3-one
Ethylvinylketone
Ethyl vinyl ketone
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