2,2-Dihydroxyacetic acid (-)-menthyl ester

2,2-Dihydroxyacetic acid (-)-menthyl ester - Names and Identifiers

Name	(1S)-(+)-Menthyl glyoxylate hydrate
Synonyms	l-mgh L-MGH L-Menthyl glyoxylate hydrate L)-Menthyl glyoxylate monohydrate (S)-(+)-MENTHYL GLYOXYLATE HYDRATE (1S)-(+)-Menthyl glyoxylate hydrate (1S)-(+)-MENTHYL GLYOXYLATE HYDRATE Glyoxylic acid (1S)-menthyl ester hydrate 2,2-Dihydroxyacetic acid (-)-menthyl ester 2,2-dihydroxyacetic acid (-)-menthyl ester (1S,2R,5S)-5-methyl-2-(1-methylethyl)cyclohexyl dihydroxyacetate (1r,2s,5r)-5-methyl-2-(1-methylethyl)cyclohexyl dihydroxy-acetate (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl dihydroxy-acetate
CAS	111969-64-3
EINECS	416-810-6
InChI	InChI=1/C12H22O4/c1-7(2)9-5-4-8(3)6-10(9)16-12(15)11(13)14/h7-11,13-14H,4-6H2,1-3H3/t8-,9+,10-/m0/s1

2,2-Dihydroxyacetic acid (-)-menthyl ester - Physico-chemical Properties

Molecular Formula	C12H22O4
Molar Mass	230.3
Density	1.09
Melting Point	76-78°C
Boling Point	320°C
Flash Point	113°C
Water Solubility	400g/L
Solubility	soluble in Methanol
Vapor Presure	2.74E-05mmHg at 25°C
Appearance	powder to crystal
Color	White to Almost white
BRN	4905777
pKa	10.79±0.41(Predicted)
Storage Condition	Sealed in dry,Room Temperature
Sensitive	Air Sensitive
Refractive Index	1.487
Physical and Chemical Properties	Density 1.09 boiling point 320°C flash point 113°C

2,2-Dihydroxyacetic acid (-)-menthyl ester - Risk and Safety

Risk Codes	R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R48/22 - Harmful danger of serious damage to health by prolonged exposure if swallowed. R41 - Risk of serious damage to eyes
Safety Description	S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/39 - S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S22 - Do not breathe dust.
UN IDs	3077
Hazard Class	9
Packing Group	III

2,2-Dihydroxyacetic acid (-)-menthyl ester - Introduction

L-montylglyoxylate, also known as L-menthyl acetate, is an organic compound. Its molecular formula is C12H22O2, the structural formula is CH3C(O)OCH2C(CH3)(CH3CH2CH(CH3)CH2CH(CH3)2)CH(CH3)C(CH3)3. The following is a description of the properties, uses, preparation methods and safety information of L-montylglyoxylate:

Nature:
-Appearance: L-montylglyoxylate is a colorless or pale yellow transparent liquid.
-Smell: Fragrance of mint.
-Solubility: Soluble in alcohols, ethers and organic solvents, insoluble in water.

Use:
-Flavor: L-montylglyoxylate is commonly used in the food and beverage industry as a spice additive to give the product a fresh mint aroma.
-Flavor: It is also widely used in cosmetics and personal care products to increase aroma.

Preparation Method:
L-montylglyoxylate can be prepared by the reaction of acetic acid and L-menthol. A catalyst, such as sulfuric acid or an acidic ion exchange resin, is added during the reaction to facilitate the reaction. The product can be purified by distillation.

Safety Information:
- L-montyl glyoxylate has low toxicity, it is generally believed that no obvious toxicity to the human body.
-There is no clear report of carcinogenic or teratogenic effects, but care should be taken to avoid inhalation or contact with skin during operation.
-During storage and use, keep away from ignition and oxidizing agents to prevent fire hazards.
-In case of accidental contact or inhalation, rinse immediately with water or seek medical attention if breathing becomes difficult.

In general, L-montylglyoxylate is a commonly used fragrance ingredient that can be used in food, beverages, cosmetics and personal care products, but it is still necessary to pay attention to safe operation when using it.

Last Update：2024-04-09 02:00:41