(1R,2S,5R)-(−)-Menthol
Molecular Structure:
MDL:
MFCD00062979
Molecular Formula:
C10H20O
Molecular Weight:
156.27
Alias:
L-薄荷醇,天然薄荷脑,1R-(1α,2β,5α)]-5-甲基-2-(1-甲基乙基)环己醇
(1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol
5-Methyl-2-(1-methylethyl)cyclohexanol
(−)-Menthol
L(-)-Menthol
L-p-Menthan-3-ol
Menthol ,natura
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
(1R,2S,5R)-(−)-Menthol |
分析标准品,≥98% |
20mg |
RMB 264 |
Consulting service |
(1R,2S,5R)-(−)-Menthol |
98% |
500g |
RMB 658.9 |
Consulting service |
(1R,2S,5R)-(−)-Menthol |
98% |
100g |
RMB 189.2 |
Consulting service |
(1R,2S,5R)-(−)-Menthol |
99.5% |
25g |
RMB 93.5 |
Consulting service |
(1R,2S,5R)-(−)-Menthol |
99.5% |
500g |
RMB 863.5 |
Consulting service |
(1R,2S,5R)-(−)-Menthol |
99.5% |
100g |
RMB 273.9 |
Consulting service |
(1R,2S,5R)-(−)-Menthol |
色标GCS ,≥99.0% (GC) |
1g |
RMB 643.5 |
Consulting service |
Character:
无色针状结晶或粒状。微溶于水,溶于乙醇 、乙醚 、丙酮、氯仿、苯。薄荷醇氢化生成对烷。
熔点:41-43℃
沸点:212℃
密度:0.890
折光率n20/D: 1.46
闪点: 93℃
薄荷醇是一种萜,为薄荷和欧薄荷精油中的主要成分,以游离和酯的状态存在。薄荷醇可分为三种光学异构体,即具有左旋光学特性的L-薄荷醇、具有右旋光学特性的d-薄荷醇和不具有光学特性的dl-薄荷醇 ,又称为消旋薄荷醇。而其中清凉度和香气品质最佳的就是纯天然的L-薄荷醇,又称左旋薄荷醇。左旋薄荷醇具有薄荷香气并有清凉的作用,消旋薄荷醇也有清凉作用,其他的异构体无清凉作用。
Quality Standard:
外观Appearance 无色至白色结晶
熔点Melting point 42°C - 44°C
纯度Purity ≥99.5% (GC)
不挥发物non-volatile materials ≤0.05%
比旋度Specific rotation [a]25/D -50°~-49°
乙醇溶解试验solubility in ethanol 1g试样溶于 5ml 90%(v/v)乙醇中,呈透明溶液
Storage:
密封保存
用途
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