Skip to main content

5,6-O-Isopropylidene-L-ascorbic acid

Also known as: (+)-5,6-O-Isopropylidene-L-ascorbic acid, L-Ascorbic acid acetonide, 5,6-Isopropylidene-L-ascorbic acid, 5,6-O-(1-Methylethylidene)-L-ascorbic acid, MFCD00010552, NSC 252042, Iasa, (5R)-5-[(4S)-2,2-Dimethyl-1,3-dioxolan-4-yl]-3,4-dihydroxyfuran-2(5H)-one

5,6-O-Isopropylidene-L-ascorbic acid (CAS 15042-01-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H12O6 and a molecular weight of 216.19 g/mol. Key properties include a melting point of 217 °C (dec.), a boiling point of 395.2±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 161.0±21.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
15042-01-0
Jingsj CID
J-32549-5
Molecular Formula
C9H12O6
Molecular Weight
216.19 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point217 °C (dec.)
Boiling Point395.2±42.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point161.0±21.4 °C
Exact Mass216.063385
PSA85.22000
LogP-0.02
Vapor Pressure0.0±2.1 mmHg at 25°C
Refractive Index1.580

Activity & Biological Data

Additional Information[1]. Pappenberger G, et al. Industrial production of L-ascorbic Acid (vitamin C) and D-isoascorbic acid. Adv Biochem Eng Biotechnol. 2014;143:143-88.

Customs & Trade Information

HS Code2932999099
Summary2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5,6-O-Isopropylidene-L-ascorbic acid?

The CAS number of 5,6-O-Isopropylidene-L-ascorbic acid is 15042-01-0.

What are the molecular formula and molecular weight of 5,6-O-Isopropylidene-L-ascorbic acid?

5,6-O-Isopropylidene-L-ascorbic acid has molecular formula C9H12O6 and molecular weight 216.19 g/mol.

What are the upstream and downstream products of 5,6-O-Isopropylidene-L-ascorbic acid?

For 5,6-O-Isopropylidene-L-ascorbic acid, Upstream Products: 2,2-Dimethoxypropane, L-Ascorbic acid, 1,2-Dimethoxypropane; Downstream Products: L-Ascorbic acid, (S)-Methyl 2,2-dimethyl-1,3-dioxolane-4-carboxylate, Methyl 3,4-O-isopropylidene-L-threonate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5,6-O-Isopropylidene-L-ascorbic acid (CAS 15042-01-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32549-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.