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DL-Pantolactone

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Origem: China

Cas No: 79-50-5

Especificação: 99%Min

Quantidade de ordem min: 1 /kg

Capacidade de fornecimento: 100 mt/month

Tempo de espera: 7 dias para OEM, 3 dias para produtos prontos

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Especificação de produtos
Descrição do produto

Property

CAS No.: 79-50-5 Formula: C6H10O3 Molecular Weight: 130.14200

Description

(±)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone is a volatile organic compound used in the silylation of alcohols,

Basic Info

Chemical Name	DL-Pantolactone
Synonyms	DL-PANTOYL LACTONE; pantoyl lactone; 2-oxo-4,4-dimethyl-3-hydroxy-tetrahydrofuran; DL-PantolaCLone; Einecs 201-210-7; rac-pantolactone; dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone; de-Pantolactone; PANTOLACTONE; PANTOLACTONE(DL-); DL-LACTONE;
CAS No.	79-50-5
Molecular Formula	C6H10O3
Molecular Weight	130.14200
PSA	49.83000
LogP	-0.06970

Properties

Appearance & Physical State	White needles.
Density	1.165 g/cm3
Boiling Point	224.6ºC at 760 mmHg
Melting Point	74-78ºC
Flash Point	99ºC
Storage Condition	Store in a cool, dry place. Store in a tightly closed container.

Safety Info

Safety Statements	22-24/25
WGK Germany	3

Synthesis Route

methyl phenylglyoxalate+2-dehydropantolactone→Methyl DL-mandelate+DL-Pantolactone
methyl phenylglyoxalate+2-dehydropantolactone→(S)-(+)-Methyl mandelate+methyl (2R)-2-hydroxy-2-phenylacetate
Ethyl pyruvate+2-dehydropantolactone→Ethyl lactate+DL-Pantolactone

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	HP-5MS	-	1031.8	custom temperature program
Capillary	DB-Wax	-	2034.	temperature ramp
Capillary	HP-FFAP	-	2070.	temperature ramp
Capillary	HP-FFAP	-	2070.	temperature ramp

Precursor

Ethyl pyruvate
methyl phenylglyoxalate
2-dehydropantolactone

Downstream Product

(RS)-Pantoic Acid Sodium Salt
2,4-Dihydroxy-3,3-dimethylbutanamide
2,2,5,5-tetramethyl-1,3-dioxane-4-carboxamide
(R)-α-Acryloyloxy-β,β-dimethyl-γ-butyrolactone

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