| DIKETENE | ||
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PRODUCT IDENTIFICATION |
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| CAS NO. | 674-82-8 |
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| EINECS NO. | 211-617-1 | |
| FORMULA | CH3COCHCO | |
| MOL WT. | 84.07 | |
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H.S. CODE |
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| TOXICITY | ||
| SYNONYMS | Acetyl ketene; 3-Buteno-beta-lactone; | |
| 4-Methylene-2-oxetanone; But-3-en-3-olide; | ||
| SMILES |
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CLASSIFICATION |
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PHYSICAL AND CHEMICAL PROPERTIES |
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| PHYSICAL STATE | Clear to yellow liquid | |
| MELTING POINT | -7 - -6.5C | |
| BOILING POINT | 127 C | |
| SPECIFIC GRAVITY | 1.09 | |
| SOLUBILITY IN WATER | Reacts violently (soluble in organic solvents) | |
| pH | ||
| VAPOR DENSITY | 2.9 | |
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AUTOIGNITION |
275 C |
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NFPA RATINGS |
Health: 4; Flammability: 2; Reactivity: 2 | |
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REFRACTIVE INDEX |
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| FLASH POINT | 33 C | |
| STABILITY | Readily polymerized liquid at hot temperature and acidic and basic conditions. | |
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APPLICATIONS |
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| Diketene derivatives (mainly acetoacetic acid derivatives and heterocycle compounds) have versatile applications including making agrochemicals, dyes, pigments, pharmaceuticals including vitamins, and stabilizers for PVC and polyester. | ||
| SALES SPECIFICATION | ||
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97% |
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APPEARANCE |
clear to yellow liquid | |
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PURITY |
97.0% min |
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50% |
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APPEARANCE |
clear to yellow liquid | |
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PURITY |
50% stabilized in dichloromethane | |
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TRANSPORTATION |
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| PACKING | ||
| HAZARD CLASS | 6.1 (Packing Group: I) | |
| UN NO. |
2521 |
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| OTHER INFORMATION | ||
| Hazard Symbols: XN, Risk Phrases: 10/20, Safety Phrases: 26/28A | ||
