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DL-Pantolactone

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DL-Pantolactone Basic information

Product Name:
DL-Pantolactone
Synonyms:
  • 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl-, (+-)-
  • DL-alpha-Hydroxy-beta,beta-dimethyl-alpha-butyrolactone
  • DL-ALPHA-HYDROXY-BETA,BETA-DIMETHYL-GAMME-BUTYROLACTONE
  • DL-LACTONE
  • DL-R-BUTYROLACTONE
  • DL-Pantolactone, Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone, β,β-Dimethyl-α-hydroxy-γ-butyrolactone
  • 3-Amino-1-phenylurea hydrochloride
  • Hydrazinecarboxamide, N-phenyl-, monohydrochloride
CAS:
79-50-5
MF:
C6H10O3
MW:
130.14
EINECS:
201-210-7
Product Categories:
  • Pharmaceutical Intermediates
  • bc0001
Mol File:
79-50-5.mol
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DL-Pantolactone Chemical Properties

Melting point:
74-78 °C (lit.)
Boiling point:
121°C/11mmHg(lit.)
Density 
1.165±0.06 g/cm3(Predicted)
Flash point:
122℃
storage temp. 
Sealed in dry,Room Temperature
solubility 
H2O: soluble1g/10 mL, clear, colorless to almost colorless
pka
13.12±0.40(Predicted)
form 
Solid
color 
Colourless Gel to White to Off-White
BRN 
80958
Stability:
Unstable in Aqueous Solution
InChIKey
SERHXTVXHNVDKA-UHFFFAOYSA-N
CAS DataBase Reference
79-50-5(CAS DataBase Reference)
NIST Chemistry Reference
2(3H)-furanone, dihydro-3-hydroxy-4,4-dimethyl-, (.+/-.)-(79-50-5)
EPA Substance Registry System
2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl- (79-50-5)
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Safety Information

Risk Statements 
36/37/38
Safety Statements 
22-24/25-37/39-26
WGK Germany 
3
3-10-21
HS Code 
29322090

MSDS

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DL-Pantolactone Usage And Synthesis

Uses

DL-α-Hydroxy-β,β-dimethyl-γ-butyrolactone (DL-pantolactone) may be used in the preparation of 3,5-dinitrobenzoyl-DL-pantolactone.

Definition

ChEBI: DL-Pantolactone is a gamma-lactone.

Synthesis Reference(s)

Journal of the American Chemical Society, 79, p. 3545, 1957 DOI: 10.1021/ja01570a064

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