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首頁 > 供應產品 > 供應丙二醇
供應丙二醇
單價 面議對比
詢價 暫無
發貨 江蘇揚州市付款后3天內
過期 長期有效
更新 2022-11-28 08:21
 
詳細信息
 丙二醇學名“1,2-丙二醇”?;瘜W式CH3CHOHCH2OH。分子量76.10。分子中有一個手征性碳原子。外消旋體為易吸濕性粘稠液體,略有辣味。比重1.036(25/4℃),冰點-59℃。沸點188.2℃、83.2℃(1,333帕),Chemicalbook混溶于水、***、醋酸乙酯和氯仿,溶于**。可溶解于許多精油,但與石油醚、石蠟和油脂不能混溶。對熱、光較穩定,低溫時更穩定。左旋體沸點187~189℃,比旋光度[α]D20-15.0°。丙二醇在高溫時能被氧化成丙醛、乳酸、***酸與醋酸。
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