3,4-O-Isopropylidene-D-mannitol

Also known as: (1R,1'R)-1,1'-((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(ethane-1,2-diol), 3,4-Isopropylidene-D-mannitol, D-Mannitol, 3,4-O-(1-methylethylidene)-, MFCD00075122

3,4-O-Isopropylidene-D-mannitol (CAS 3969-84-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H18O6 and a molecular weight of 222.24 g/mol. Key properties include a melting point of 85-88 °C(lit.), a boiling point of 438.8ºC at 760 mmHg, a density of 1.303 g/cm3 and a flash point of 219.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3969-84-4
Jingsj CID: J-1981186-0
Molecular Formula: C₉H₁₈O₆
Molecular Weight: 222.24 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	85-88 °C(lit.)
Boiling Point	438.8ºC at 760 mmHg
Density	1.303 g/cm3
Flash Point	219.2ºC
Exact Mass	222.11000
PSA	99.38000
Refractive Index	29 ° (C=3, H2O)

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 3,4-O-Isopropylidene-D-mannitol?

The CAS number of 3,4-O-Isopropylidene-D-mannitol is 3969-84-4.

What are the molecular formula and molecular weight of 3,4-O-Isopropylidene-D-mannitol?

3,4-O-Isopropylidene-D-mannitol has molecular formula C9H18O6 and molecular weight 222.24 g/mol.

What are the upstream and downstream products of 3,4-O-Isopropylidene-D-mannitol?

For 3,4-O-Isopropylidene-D-mannitol, Upstream Products: D-Mannitol, 1,2:3,4:5,6-tri-O-isopropylidene-D-mannitol, acetic acid; Downstream Products: (+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol, Aliskiren, (-)-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. "3,4-O-Isopropylidene-D-mannitol (CAS 3969-84-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1981186-0 (accessed 2026-11-09).

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