默克merck,药用辅料,薄荷醇,薄荷脑

产品大类:
默克原辅料

产品编号：105995
产品英文名：(-)-Menthol EMPROVE® ESSENTIAL Ph Eur,BP,JP,USP
产品中文名：薄荷醇
常见应用：
薄荷脑和消旋薄荷脑均可用作牙膏、香水、饮料和糖果等的赋香剂。在医药上用作刺激药，作用于皮肤或粘膜，有清凉止痒作用；内服可用于头痛及鼻、咽、喉炎症等

格
Assay (JP)	≥ 98.0 %
Assay (USP)	98.0 - 102.0 % (w/w)
Purity (Ph Eur)	≥ 99.0 % (a/a)
Identity	passes test
Appearance of solution (10 %; ethanol 96 %)	passes test
Acidity or alkalinity	passes test
Melting range (lower value)	≥ 41 °C
Melting range (upper value)	≤ 44 °C
Melting point	42 - 44 °C
Spec. rotation (α 20/D; 10 %; ethanol (96 %))	-51 - -48 °
Spec. rotation (α 25/D; 10 %; ethanol (96 %))	-51 - -45 °
Spec. rotation (α 20/D; 10 %; ethanol (95 %))	-51.0 - -45.0 °
Nitromethane or Nitroethane	passes test
Thymol	passes test
Sum of impurities (Ph Eur)	≤ 1.0 % (a/a)
Largest impurity (USP)	≤ 0.1 % (a/a)
Sum of impurities (USP)	≤ 2.0 % (a/a)
Acetone (HS-GC)	≤ 5000 ppm
Methanol (HS-GC)	≤ 3000 ppm
Other residual solvents (ICH Q3C)	excluded by the manufacturing process
Evaporation residue	≤ 0.05 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph Eur, BP, JP, USP

产品类别

薄荷醇(-)-Menthol