DL-Mandelic acid
Molecular Structure:
MDL:
--MFCD00064250
Molecular Formula:
C8H8O3; C6H5CH(OH)COOH
Molecular Weight:
152.15
Alias:
苯羟乙酸,杏仁酸,α-羟基苯乙酸,苯基羟乙酸,2-羟基-2-苯基乙酸,苯乙醇酸,苯基乙醇酸,扁桃酸,DL-扁桃酸
DL-Amygdalic Acid
α-Hydroxyphenylacetic acid
(±)-α-Hydroxyphenylacetic acid
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
DL-Mandelic acid |
CP |
250g |
RMB 129.8 |
Consulting service |
DL-Mandelic acid |
AR |
500g |
RMB 418 |
Consulting service |
DL-Mandelic acid |
AR |
100g |
RMB 96.8 |
Consulting service |
Character:
白色斜方片状结晶,长期露光则变色分解,对石蕊呈酸性。易溶于乙醚和异丙醇,1g能溶于6.3mL水,1mL乙醇。易溶于乙醚;异丙醇,溶于乙醇和水。R型熔点为133℃,[α]-159.73°(乙醇),于 160℃ 逐渐外消旋化。S型 熔点为133.8℃ ,[α]+156.57°(水)。
熔点:119℃
密度:1.30
Quality Standard:
Q/(HG)SJ 558-91
项目Item 分析纯 化学纯
(AR) (CP)
含量(C8H8O3)Assay,% ≥ 99.0 98.5
熔点范围Melting range,℃ 117.0-119.0 116.5-119.0
醇溶解试验Solubility in ethanol 合格 合格
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.05 0.05
氯化物(Cl)Chloride,% ≤ 0.001 0.002
硫酸盐(SO4)Sulfate,% ≤ 0.005 0.005
铁(Fe)Iron,% ≤ 0.001 0.002
Storage:
密封避光保存。
用途 锆的特殊试剂,测定铜,有机合成,杀菌剂。