(1R,2S,5R)-(?)-Menthol
Molecular Structure:
MDL:
MFCD00062979
Molecular Formula:
C10H20O
Molecular Weight:
156.27
Alias:
L-薄荷醇,天然薄荷腦,1R-(1α,2β,5α)]-5-甲基-2-(1-甲基乙基)環(huán)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 |
分析標(biāo)準(zhǔn)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 |
色標(biāo)GCS ,≥99.0% (GC) |
1g |
RMB 643.5 |
Consulting service |
Character:
無(wú)色針狀結(jié)晶或粒狀。微溶于水,溶于乙醇 、乙醚 、丙酮、氯仿、苯。薄荷醇?xì)浠蓪?duì)烷。
熔點(diǎn):41-43℃
沸點(diǎn):212℃
密度:0.890
折光率n20/D: 1.46
閃點(diǎn): 93℃
薄荷醇是一種萜,為薄荷和歐薄荷精油中的主要成分,以游離和酯的狀態(tài)存在。薄荷醇可分為三種光學(xué)異構(gòu)體,即具有左旋光學(xué)特性的L-薄荷醇、具有右旋光學(xué)特性的d-薄荷醇和不具有光學(xué)特性的dl-薄荷醇 ,又稱(chēng)為消旋薄荷醇。而其中清涼度和香氣品質(zhì)最佳的就是純天然的L-薄荷醇,又稱(chēng)左旋薄荷醇。左旋薄荷醇具有薄荷香氣并有清涼的作用,消旋薄荷醇也有清涼作用,其他的異構(gòu)體無(wú)清涼作用。
Quality Standard:
外觀Appearance 無(wú)色至白色結(jié)晶
熔點(diǎn)Melting point 42°C - 44°C
純度Purity ≥99.5% (GC)
不揮發(fā)物non-volatile materials ≤0.05%
比旋度Specific rotation [a]25/D -50°~-49°
乙醇溶解試驗(yàn)solubility in ethanol 1g試樣溶于 5ml 90%(v/v)乙醇中,呈透明溶液
Storage:
密封保存
用途
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