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L-PANTOLACTONE

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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
Mol File:
5405-40-3.mol
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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
pka
13.12±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 tension
71.69mN/m at 1g/L and 20℃
CAS DataBase Reference
5405-40-3(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
41
Safety Statements 
26-39
WGK Germany 
3
3-10
HS Code 
2932190090

MSDS

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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.

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