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菏澤開發區宸旭化工  

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首頁 > 供應產品 > L-扁桃酸
L-扁桃酸
單價 10000.00 / 噸對比
詢價 暫無
發貨 山東菏澤市付款后24小時內
庫存 20噸
品牌 菏澤宸旭化工
25kg/紙桶 醫藥中間體
過期 2015-03-04 已過期
更新 2018-07-24 14:45
該化工產品已過期
詳細信息
英文:L-(+)-Mandelic acid
別名: {S-(+)-扁桃酸、S-扁桃酸、L-(+)-扁桃酸}
CAS:17199-29-0
含量:≥99%
分子式:C8H8O3
熔點:131-135℃
[α]D20:+153~+157.5
水分:≤0.5%
灼燒殘渣:≤0.2%
性質:白色斜方片狀結晶,露置遇光變色分解。熔點119℃。相對密度 1.30。R型熔點為133℃,[α]-159.73°,于160℃ 逐漸外消旋化。S型 熔點為133.8℃ ,[α]+156.57°(水)。
包裝:25kg/紙桶
用途:在醫藥工業可用于頭孢羥唑、血管擴張藥環扁桃酸酯、滴眼藥羥芐唑、等的中間體,也可作防腐劑

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