2-penten-1-al

Modify Date: 2025-08-21 20:36:00

2-penten-1-al Structure
2-penten-1-al structure
Common Name 2-penten-1-al
CAS Number 764-39-6 Molecular Weight 84.11640
Density 0.824g/cm3 Boiling Point 126.8ºC at 760 mmHg
Molecular Formula C5H8O Melting Point -101.15°C (estimate)
MSDS N/A Flash Point 21.9ºC

 Names

Name 2-pentenal
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.824g/cm3
Boiling Point 126.8ºC at 760 mmHg
Melting Point -101.15°C (estimate)
Molecular Formula C5H8O
Molecular Weight 84.11640
Flash Point 21.9ºC
Exact Mass 84.05750
PSA 17.07000
LogP 1.15150
Index of Refraction 1.413

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SB1550000
CHEMICAL NAME :
2-Pentenal
CAS REGISTRY NUMBER :
764-39-6
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C5-H8-O
MOLECULAR WEIGHT :
84.13
WISWESSER LINE NOTATION :
VH1U4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
244 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Mutation in mammalian somatic cells
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
300 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 244,153,1990

 Safety Information

Hazard Codes Xi
Risk Phrases 10-36/37/38
Safety Phrases 29
RIDADR UN 1989 3/PG 2
WGK Germany 3
RTECS SB1560000

 Synonyms

TRANS-2-PENTENAL
Trans-2-Pentenal
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