DL-Pantolactone

CAS No.：79-50-5

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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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

DL-Pantolactone Chemical Properties

Melting point	74-78 °C (lit.)
Boiling point	121°C/11mmHg(lit.)
density	1.165±0.06 g/cm3(Predicted)
Fp	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)

Safety Information

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

MSDS Information

Provider	Language
DL-alpha-Hydroxy-beta,beta-dimethyl-gamma-butyrolactone	English
SigmaAldrich	English

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.
Synthesis Reference(s)	Journal of the American Chemical Society, 79, p. 3545, 1957 DOI: 10.1021/ja01570a064

DL-Pantolactone Preparation Products And Raw materials

Raw materials	Ethanol-->Hydrochloric acid-->Methanol-->Acetone-->Formaldehyde-->FUMING SULFURIC ACID-->Sodium cyanide-->POTASSIUM CYANIDE-->Isobutyraldehyde-->HYDROGEN CYANIDE-->3-Hydroxy-2,2-dimethylpropanal
Preparation Products	DIHYDRO-4,4-DIMETHYL-2,3-FURANDIONE

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