L-Menthol
time:2013-01-09 14:08:15,count:0
L-Menthol
Alias
(-)-(1R,3R,4S)-Menthol
(-)-Menthol
Cyclohexanol, 5-methyl-2-(1-methylethyl)-, (1R,2S,5R)-
Cyclohexanol, 5-methyl-2-(1-methylethyl)-, (1R,3R,4S)-
Category
Non-ionic surfactants-Alcohol
CAS No.
2216-51-5
Molecular Formula & Molecular Weight
Molecular Formula: C10H20O
Molecular Weight: 156.27
Structural Formula
Properties
Appearance: colorless needle crystal; or crystal powder.
Odor: peppermint odor.
Solubility: insoluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: cat intraperitoneal LD50: 800mg/Kg;
cat oral LD50: 800mg/Kg;
cat intravenous LDLo: 34mg/Kg;
guinea pig intraperitoneal LDLo: 4000mg/Kg;
mouse intraperitoneal LD50: 6600mg/Kg;
mouse oral LD50: 3400mg/Kg;
mouse subcutaneous LD50: 5000mg/Kg;
rabbit skin LD50: > 5000mg/Kg;
rabbit intraperitoneal LDLo: 2000mg/Kg;
rat intraperitoneal LD50: 700mg/Kg;
rat oral LD50: 3300mg/Kg;
rat subcutaneous LD50: 1000mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent antibacterial, anti-inflammatory, masking, dispersing abilities. cooling effect.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
95
 
*: should be marked on molecular weight.
Major Uses
Use as perfume.
Use as intermediate in organic synthesis.
Masking agent, perfume, conditioning agent in personal care products.
Use as insecticide, preservative.
Use as food additive.
Use as pharmaceutical ingredient.
Use as cooling agent.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 2216-51-5
Update: 20130920(1);

 

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