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Metaldehyde CAS Registry Number: 9002-91-9 多聚乙醛


Additional Names: Metacetaldehyde
📌 参考资料/链接:
Literature References: Polymer of acetaldehyde. (C2H4O)n. Prepd by polymerization of acetaldehyde in the presence of HCl, H2SO4 at low temp: Kekule, Zincke, Ann. 162, 125 (1872); in the presence of pyridine and HBr: R. S. Wilder, US 2426961 (1947 to Publicker Ind.). Use as molluscicide: R. M. Coloso et al., Crop Prot. 17, 669 (1998).

📄 详细内容


Properties: Prisms, mp 246° in sealed tube. Sublimes at about 112°, but dec with partial regeneration of aldehyde above 80°. Practically insol in water. Sol in benzene, chloroform; sparingly sol in alcohol, ether.
Melting point: mp 246° in sealed tube
CAUTION: Potential symptoms of overexposure by ingestion are severe abdominal pain, nausea, vomiting, diarrhea, convulsions, coma. See Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams Wilkins, Baltimore, 5th ed., 1984) p II-187.
Use: In compressed form as a fuel instead of alcohol; molluscicide.
产品链接: 9002-91-9››