(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol

Also known as: (+)-2,3-O-Isopropylidene-L-threitol, 2,3-O-Isopropylidene-L-threitol, (4S,5S)-(+)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol, (4S,5S)-(+)-4,5-Bis(hydroxymethyl)-2,2-dimethyl-1,3-dioxolane, (4S,5S)-4,5-Bis(hydroxymethyl)-2,2-dimethyl-1,3-dioxolane, (4S,5S)-4,5-Dihydroxymethyl-2,2-dimethyldioxolane, (4S-trans)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol, 1,3-Dioxolane-4,5-dimethanol, 2,2-dimethyl-, (4S,5S)-, L(+)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol, [(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl]dimethanol, [(4S,5S)-5-(Hydroxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]methanol, MFCD00063761, EINECS 256-658-6

(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol (CAS 50622-09-8) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H14O4 and a molecular weight of 162.184 g/mol. Key properties include a melting point of 46-50 °C, a boiling point of 335.9±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 111.9±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50622-09-8
Jingsj CID: J-28568-7
Molecular Formula: C₇H₁₄O₄
Molecular Weight: 162.184 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	46-50 °C
Boiling Point	335.9±0.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	111.9±20.4 °C
Exact Mass	162.089203
PSA	58.92000
LogP	-0.01
Vapor Pressure	0.0±1.6 mmHg at 25°C
Refractive Index	1.443
Additional Property	soluble

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. 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 (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol?

The CAS number of (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol is 50622-09-8.

What are the molecular formula and molecular weight of (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol?

(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol has molecular formula C7H14O4 and molecular weight 162.184 g/mol.

What are the upstream and downstream products of (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol?

For (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol, Upstream Products: (-)-Dimethyl 2,3-O-isopropylidene-L-tartrate, Diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate, 2,2-Dimethoxypropane; Downstream Products: (-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane, (-)-1,4-Di-O-tosyl-2,3-O-isopropylidene-L-threitol, L-threitol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol (CAS 50622-09-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28568-7 (accessed 2026-11-09).

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