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(+)-5,6-O-Isopropylidene-L-ascorbic acid

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Origin: China

Cas No: 15042-01-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 15042-01-0 Formula: C9H12O6 Molecular Weight: 216.18800

Basic Info

Chemical Name	(+)-5,6-O-Isopropylidene-L-ascorbic acid
Synonyms	5,5-ISOPROPYLIDENE-L-ASCORBIC ACID; Isopropylidene ascorbic acid; 5,6-di-O-isopropylidene-L-ascorbic acid; (+)-5,6-O-Isopropylidene-L-ascorbic Acid; 5,6-Isopropylidene-L-ascorbic acid; 5,6-isopropyridene-L-ascorbic acid; Iasa; ASCORBIC ACID ACETONIDE; (R)-5-((S)-2,2-Dimethyl-1,3-dioxolan-4-yl)-3,4-dihydroxyfuran-2(5H)-one; L-Ascorbicacidacetonide; 5,6-O-isopropylidene-L-ascorbic acid; 5,6-O-isopropylidene ascorbic acid; 5,6-0,0-ISOPROPYLIDENE-L-ASCORBIC ACID;
CAS No.	15042-01-0
Molecular Formula	C9H12O6
Molecular Weight	216.18800
PSA	85.22000
LogP	0.39090

Properties

Appearance & Physical State	White powder
Density	1.518g/cm3
Boiling Point	317.8ºC at 760mmHg
Melting Point	217ºC
Flash Point	125.1ºC
Refractive Index	10 ° (C=5, MeOH)
Vapor Pressure	0mmHg at 25°C

Safety Info

Safety Statements	S22-S24/25
HS Code	2932999099
WGK Germany	3

Synthesis Route

2,2-Dimethoxypropane+L-ascorbic acid→(+)-5,6-O-Isopropylidene-L-ascorbic acid
1,2-Dimethoxypropane+L-ascorbic acid→(+)-5,6-O-Isopropylidene-L-ascorbic acid
acetone+L-ascorbic acid→(+)-5,6-O-Isopropylidene-L-ascorbic acid

Precursor

acetone
L-ascorbic acid
1,2-Dimethoxypropane
acetyl chloride

Downstream Product

L-ascorbic acid
Methyl 3,4-O-isopropylidene-2-O-(methoxaloyl)-L-threonate
(S)-Methyl 2,2-dimethyl-1,3-dioxolane-4-carboxylate
1-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-2-hydroxyethanone

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