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| Albemarle MASC |
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| Methylaluminum sesquichloride |
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| 12542-85-7 |
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| Methylaluminum sesquichloride (MASC) is used primarily as a catalyst component in Ziegler-Natta type systems for olefin and diene polymerizations. Other applications include use in alkylation reactions and as a catalyst component in linear oligomerization and cyclization of unsaturated hydrocarbons. |
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Formula: (CH 3 ) 3 AI 2 CI 3
Formula weight: 205.43
State and color at 25'C: clear, colorless liquid
Stability in contact with air: flames instantly
Stability in contact with water: reacts violently
Freezing point, 'C ('F): 23 (73)
Boiling point at 760 mm Hg, 'C ('F): 143.7 (290.7) |
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