ChemicalBook Product Catalog Organic Chemistry Carboxylic acids and derivatives Carboxylic acid esters and derivatives L-PANTOLACTONE

L-PANTOLACTONE

L-PANTOLACTONE Basic information
Product Name:L-PANTOLACTONE
Synonyms:S(+)-3,3-DIMETHYL-2-HYDROXY-GAMMA-BUTYROLACTONE;S(+)-2-HYDROXY-3,3-DIMETHYL-GAMMA-BUTYROLACTONE;(S)-(+)-DIHYDRO-3-HYDROXY-4,4-DIMETHYL-2(3H)-FURANONE;(S)-DIHYDRO-3-HYDROXY-4,4-DIMETHYL-2(3H)-FURANONE;(S)-(+)-PANTOLACTONE;L-PANTOLACTONE;L-(+)-PANTOYL LACTONE;L-(+)-2-HYDROXY-3,3-DIMETHYL-GAMMA-BUTYROLACTONE
CAS:5405-40-3
MF:C6H10O3
MW:130.14
EINECS:626-470-2
Product Categories:
Mol File:5405-40-3.mol
L-PANTOLACTONE Structure
L-PANTOLACTONE Chemical Properties
Melting point 90-94 °C
Boiling point 120-122 °C/15 mmHg(lit.)
density 1.1066 (rough estimate)
vapor pressure 8.44Pa at 25℃
refractive index 1.4730 (estimate)
storage temp. 2-8°C
solubility Chloroform (Slightly), Methanol (Slightly), Water (Slightly)
form Solid
pka13.12±0.40(Predicted)
color White to Off-White
optical activity[α]22/D +50.0°, c = 0.5 in H2O
Water Solubility Soluble in water, hardly soluble in alcohol.
BRN 4659425
LogP-0.69 at 21℃ and pH6.3-6.5
Surface tension71.69mN/m at 1g/L and 20℃
CAS DataBase Reference5405-40-3(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 41
Safety Statements 26-39
WGK Germany 3
F 3-10
HS Code 2932190090
MSDS Information
ProviderLanguage
SigmaAldrich English
L-PANTOLACTONE Usage And Synthesis
Uses(S)?-?(+)?-?Pantolactone is a versatile cyclic ester reactant used in the preparation of tunable ligands carbohydrate-derived diarylphosphinites for asymetric catalysis hydrovinylation of styrene derivatives.
L-PANTOLACTONE Preparation Products And Raw materials
PANTOLACTONE USP(CRM STANDARD) L-PANTOLACTONE D-Benzoyl pantolactone Ginkgolide A GINKGOLIDEM Ginkgolide B D-(-)-PANTOLACTONE D-Acetyl pantolactone DL-Pantolactone Ginkgolide C Ginkgolide J
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