Introduction:Basic information about CAS 504-60-9|1,3-Pentadiene, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1,3-Pentadiene |
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| CAS Number | 504-60-9 | Molecular Weight | 68.117 |
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| Density | 0.7±0.1 g/cm3 | Boiling Point | 44.1±0.0 °C at 760 mmHg |
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| Molecular Formula | C5H8 | Melting Point | −87 °C(lit.) |
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| MSDS | / | Flash Point | -28.9±0.0 °C |
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Names
| Name | trans-1,3-pentadiene |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 0.7±0.1 g/cm3 |
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| Boiling Point | 44.1±0.0 °C at 760 mmHg |
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| Melting Point | −87 °C(lit.) |
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| Molecular Formula | C5H8 |
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| Molecular Weight | 68.117 |
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| Flash Point | -28.9±0.0 °C |
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| Exact Mass | 68.062599 |
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| LogP | 2.38 |
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| Vapour density | 2.4 (vs air) |
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| Vapour Pressure | 380.2±0.0 mmHg at 25°C |
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| Index of Refraction | 1.415 |
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| InChIKey | PMJHHCWVYXUKFD-SNAWJCMRSA-N |
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| SMILES | C=CC=CC |
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| Stability | Stable. Incompatible with strong oxidizing agents. Very flammable - note low flash point and low boiling point. |
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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 DATAACUTE 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)
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Safety Information
| Hazard Codes | F: Flammable;Xn: Harmful; |
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| Risk Phrases | R11 |
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| Safety Phrases | S16-S23-S26-S36-S62-S24/25 |
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| RIDADR | UN 3295 3/PG 2 |
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| WGK Germany | 3 |
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| RTECS | RZ2465000 |
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| Packaging Group | I |
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| Hazard Class | 3.1 |
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Synonyms
| 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 |