Introduction:Basic information about CAS 142-29-0|Cyclopentene, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Cyclopentene |
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| CAS Number | 142-29-0 | Molecular Weight | 68.117 |
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| Density | 0.8±0.1 g/cm3 | Boiling Point | 44.2±0.0 °C at 760 mmHg |
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| Molecular Formula | C5H8 | Melting Point | −135 °C(lit.) |
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| MSDS | / | Flash Point | -44.9±10.3 °C |
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Names
| Name | cyclopentene |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 0.8±0.1 g/cm3 |
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| Boiling Point | 44.2±0.0 °C at 760 mmHg |
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| Melting Point | −135 °C(lit.) |
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| Molecular Formula | C5H8 |
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| Molecular Weight | 68.117 |
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| Flash Point | -44.9±10.3 °C |
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| Exact Mass | 68.062599 |
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| LogP | 2.33 |
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| Vapour Pressure | 378.4±0.0 mmHg at 25°C |
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| Index of Refraction | 1.465 |
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| InChIKey | LPIQUOYDBNQMRZ-UHFFFAOYSA-N |
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| SMILES | C1=CCCC1 |
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| Stability | Stable. Highly flammable. Incompatible with strong oxidizing agents. Store cold. |
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| Water Solubility | immiscible |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- GY5950000
- CHEMICAL NAME :
- Cyclopentene
- CAS REGISTRY NUMBER :
- 142-29-0
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- C5-H8
- MOLECULAR WEIGHT :
- 68.13
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2140 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 16000 ppm/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1590 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T0863 No. of Facilities: 47 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 3111 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T0863 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 51 (estimated)
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Safety Information
| Hazard Codes | F:Flammable |
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| Risk Phrases | R11;R21/22;R52/53;R65;R67 |
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| Safety Phrases | S9-S16-S26-S33-S36-S62-S61-S36/37 |
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| RIDADR | UN 2246 3/PG 2 |
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| WGK Germany | 3 |
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| RTECS | GY5950000 |
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| Packaging Group | II |
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| Hazard Class | 3 |
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| HS Code | 2902199090 |
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Customs
| HS Code | 2902199090 |
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| Summary | 2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
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Synonyms
| EINECS 205-532-9 |
| Cyclopcnten |
| MFCD00001394 |
| cyclopent-1-ene |
| CYCLOPENTENE,STAB. |
| Cyclopentene [UN2246] [Flammable liquid] |
| Cyclopentene |
| Cyclopentanoneoxime |
| cyclopentenylidene |
| Cyclopenten |
| 3-cyclopentene |
| cyclo-1-pentene |