(-)-2,3-O-Isopropylidene-D-threitol

Also known as: (4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol, ((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)dimethanol, D-(-)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol, 2,3-O-Isopropylidene-D-threitol, MFCD00009761

(-)-2,3-O-Isopropylidene-D-threitol (CAS 73346-74-4) is a compound in the Alcohols 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 42-48ºC, 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.: 73346-74-4
Jingsj CID: J-25868-4
Molecular Formula: C₇H₁₄O₄
Molecular Weight: 162.184 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	42-48ºC
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

Customs & Trade Information

HS Code	29329970

Frequently Asked Questions

What is the CAS number of (-)-2,3-O-Isopropylidene-D-threitol?

The CAS number of (-)-2,3-O-Isopropylidene-D-threitol is 73346-74-4.

What are the molecular formula and molecular weight of (-)-2,3-O-Isopropylidene-D-threitol?

(-)-2,3-O-Isopropylidene-D-threitol has molecular formula C7H14O4 and molecular weight 162.184 g/mol.

What are the upstream and downstream products of (-)-2,3-O-Isopropylidene-D-threitol?

For (-)-2,3-O-Isopropylidene-D-threitol, Upstream Products: (-)-Dimethyl 2,3-O-isopropylidene-L-tartrate, 3,4-O-Isopropylidene-D-mannitol, Diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate; Downstream Products: (+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-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. "(-)-2,3-O-Isopropylidene-D-threitol (CAS 73346-74-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25868-4 (accessed 2026-11-09).

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