1,3-Pentadiene
Names
[ CAS No. ]:
504-60-9
[ Name ]:
1,3-Pentadiene
[Synonym ]:
H2C=C=CHTMS
H2C=CH-CH=CH-CH3
allenyltrimethylsilane
pentadiene-1,3
1-trimethylsilylallene
MFCD00009295
penta-1,3-diene
1,3-Pentadiene
EINECS 217-909-5
4-methyl-1,3-butadiene
Silane,trimethyl-1,2-propadienyl
Chemical & Physical Properties
[ Density]:
0.7±0.1 g/cm3
[ Boiling Point ]:
44.1±0.0 °C at 760 mmHg
[ Melting Point ]:
−87 °C(lit.)
[ Molecular Formula ]:
C5H8
[ Molecular Weight ]:
68.117
[ Flash Point ]:
-28.9±0.0 °C
[ Exact Mass ]:
68.062599
[ LogP ]:
2.38
[ Vapour density ]:
2.4 (vs air)
[ Vapour Pressure ]:
380.2±0.0 mmHg at 25°C
[ Index of Refraction ]:
1.415
[ Stability ]:
Stable. Incompatible with strong oxidizing agents. Very flammable - note low flash point and low boiling point.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- RZ2464000
- CHEMICAL NAME :
- 1,3-Pentadiene
- CAS REGISTRY NUMBER :
- 504-60-9
- BEILSTEIN REFERENCE NO. :
- 1523657
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- C5-H8
- MOLECULAR WEIGHT :
- 68.13
- WISWESSER LINE NOTATION :
- 2U2U1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 140 gm/m3/2H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,101,1982
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1100 mg/m3/2H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,101,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82971 No. of Facilities: 20 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 614 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82971 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 68 (estimated)
Safety Information
[ Hazard Codes ]:
F: Flammable;Xn: Harmful;
[ Risk Phrases ]:
R11
[ Safety Phrases ]:
S16-S23-S26-S36-S62-S24/25
[ RIDADR ]:
UN 3295 3/PG 2
[ WGK Germany ]:
3
[ RTECS ]:
RZ2465000
[ Packaging Group ]:
I
[ Hazard Class ]:
3.1