Introduction：Basic information about CAS 623-68-7|(2E)-2-Butenoic anhydride, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | (2E)-2-Butenoic anhydride |
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| CAS Number | 623-68-7 | Molecular Weight | 154.163 |
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| Density | 1.0±0.1 g/cm3 | Boiling Point | 247.0±9.0 °C at 760 mmHg |
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| Molecular Formula | C8H10O3 | Melting Point | 72ºC |
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| MSDS | / | Flash Point | 110.6±0.0 °C |
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Names
| Name | Crotonic Anhydride |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.0±0.1 g/cm3 |
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| Boiling Point | 247.0±9.0 °C at 760 mmHg |
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| Melting Point | 72ºC |
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| Molecular Formula | C8H10O3 |
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| Molecular Weight | 154.163 |
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| Flash Point | 110.6±0.0 °C |
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| Exact Mass | 154.062988 |
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| PSA | 43.37000 |
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| LogP | 1.76 |
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| Vapour Pressure | 0.0±0.5 mmHg at 25°C |
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| Index of Refraction | 1.465 |
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| InChIKey | VJDDQSBNUHLBTD-GGWOSOGESA-N |
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| SMILES | CC=CC(=O)OC(=O)C=CC |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- GQ6125000
- CHEMICAL NAME :
- Crotonic anhydride
- CAS REGISTRY NUMBER :
- 623-68-7
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 3
- MOLECULAR FORMULA :
- C8-H10-O3
- MOLECULAR WEIGHT :
- 154.18
- WISWESSER LINE NOTATION :
- 2U1VOV1U2
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- Open irritation test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2830 mg/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: 23,95,1962
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Safety Information
| Hazard Codes | C: Corrosive; |
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| Risk Phrases | R34 |
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| Safety Phrases | S26-S36/37/39-S45 |
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| RIDADR | UN 3265 8/PG 3 |
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| WGK Germany | 3 |
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| RTECS | GQ6125000 |
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| Packaging Group | III |
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| Hazard Class | 8 |
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| HS Code | 2916190090 |
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Customs
| HS Code | 2916190090 |
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| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |
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Synonyms
| Crotonic anhydride |
| EINECS 210-807-1 |
| (2E)-2-Butenoic anhydride |
| MFCD00009286 |
| (2E)-But-2-enoic anhydride |
