53651-69-7

Basic information

• Product Name: PROPYL (S)-(-)-LACTATE
• Synonyms: propanoicacid,2-hydroxy-,propyl;propanoicacid,2-hydroxy-,propylester,(s)-;PROPYL (S)-(-)-LACTATE;Propanoic acid, 2-hydroxy-, propyl ester, (2S)- (9CI);LACTICACID,N-PROPYLESTER,(S)-;L-PROPYLLACTATE;PROPYL-L-LACTATE;n-Propyl L-Lactate
• CAS NO: 53651-69-7
• Molecular Formula: C₆H₁₂O₃
• Molecular Weight: 132.16
• Product Categories: ACETYLGROUP
• Mol File: 53651-69-7.mol
• Article Data: 8

Chemical Properties

• Melting Point: -14 °C
• Boiling Point: 170 °C
• Flash Point: 69 °C
• Appearance: clear colorless liquid
• Density: 1
• Vapor Pressure: 0.38mmHg at 25°C
• Refractive Index: 1.427
• CAS DataBase Reference: PROPYL (S)-(-)-LACTATE(CAS DataBase Reference)
• NIST Chemistry Reference: PROPYL (S)-(-)-LACTATE(53651-69-7)
• EPA Substance Registry System: PROPYL (S)-(-)-LACTATE(53651-69-7)

Safety Data

• Hazard Codes: Xi
• Statements: 66-41-37
• Safety Statements: 39-26
• Hazardous Substances Data: 53651-69-7(Hazardous Substances Data)

Usage

Chemical Properties

clear colorless liquid

InChI:InChI=1/C6H12O3/c1-3-4-9-6(8)5(2)7/h5,7H,3-4H2,1-2H3/t5-/m0/s1

Upstream product

• 20279-43-0 n-propyl pyruvate 
• 71-23-8 propan-1-ol 
• 13076-17-0 D-lactide 
• 107-08-4 1-iodo-propane 
• 6819-41-6 sodium n-propoxide 
• 79-33-4 L-Lactic acid 

Downstream Products

• 79-33-4 L-Lactic acid 
• 1198571-47-9 (-)-propyl-(2S)-2-(isobutyryloxy)propanoate 
• 114438-72-1 (S)-propyl 2-bromopropanoate 

Relevant articles and documents

RECOVERY METHOD OF HIGHLY PURE LACTIC ACID AND ALKYL LACTATE

A method for recovery of highly pure alkyl lactate and lactic acid is provided, which includes a step 1 for producing source liquid comprising lactic acid or ammonium lactate; a step 2 for dehydrating the source liquid product of step 1; a step 3 for producing liquid mixture by sequentially adding and stirring alcohol and acid solution to the dehydrated source liquid; a step 4 for separating and removing ammonium salt precipitation from the liquid mixture of step 3; a step 5 for producing alkyl lactate from ammonium salt-free liquid mixture by esterification reaction; and a step 6 for separating alcohol and alkyl lactate by distillation from the mixture of step 5.

Synthesis and characterization of chiral mono N-heterocyclic carbene-substituted rhodium complexes and their catalytic properties in hydrosilylation reactions

Different chiral mono-substituted N-heterocyclic carbene complexes of rhodium were prepared, starting from [Rh(COD)Cl]2 (COD = cyclooctadiene) by addition of free N-heterocyclic carbenes (NHC), or an in-situ deprotonation of the corresponding iminium salt. All new complexes were characterized by spectroscopy methods. In addition, the structures of chloro(η4-1,5-cyclooctadiene)(1,3-di-[(1R,2R,3R,5S)-2,6, 6-trimethylbicyclo[3.1.1]hept-3-yl] imidazolin-2-ylidene)rhodium(I) (5a), chloro(η4-1,5-cyclooctadiene)(1,3-di-[(1R,2S,5R) -2-isopropyl-5-menthylcyclohex-1-yl]imidazol-2-ylidene)rhodium(I) (5b) and chloro(η4-1,5-cyclooctadiene)(1,3-di-[(2R,4S,5S) -2-methyl-4-phenyl-1,3-dioxacyclohex-5-yl]imidazolin-2-ylidene)rhodium(I) (5i) were analyzed by DFT-calculations. The enantioselective hydrosilylation of acetophenone, ethylpyruvate and n-propylpyruvate with diphenylsilane and hydrolysis was carried out with chiral C2-symmetrical mono-substituted N-heterocyclic carbene rhodium complexes giving for the first time an enantioselective excess of up to 74% ee in the case of the n-propylpyruvate.

Enantioselective hydrogenation of pyruvates over polymer-stabilized and supported platinum nanoclusters

The cinchonidine-modified enantioselective hydrogenation of pyruvates has been studied over polyvinylpyrrolidone-stabilized platinum (PVP-Pt) and the corresponding alumina-supported platinum (Al2O3-Pt) clusters. It is shown that the catalysts with particle size less than 2.0 nm demonstrate >90% enantioselectivity in favor of (R)-lactates. The solvent effect is similar to that over the conventional supported platinum catalyst except for tetrahydrofuran. These colloidal and supported clusters are stable with no obvious loss of activity and enantioselectivity even after 18 months standing in air at room temperature. Molecular mechanics calculations of the modifier- reactant interaction on the platinum surface suggest that it is possible to obtain good enantioselectivity on the small clusters.