1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol

Also known as: Diacetone-D-Mannitol, D-Mannitol diacetonide, 1,2:5,6-Di-O-isopropylidene-D-mannitol, 1,2-Bis(2,2-dimethyl-1,3-dioxolan-4-yl)-1,2-ethanediol, (1S,2S)-1,2-Bis[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]ethane-1,2-diol, DIACETONE-D-MAN, EINECS 216-954-8, MFCD00003211

1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol (CAS 1707-77-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C12H22O6 and a molecular weight of 262.299 g/mol. Key properties include a melting point of 120-122 °C(lit.), a boiling point of 382.0±32.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 184.8±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1707-77-3
Jingsj CID: J-49258-0
Molecular Formula: C₁₂H₂₂O₆
Molecular Weight: 262.299 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	120-122 °C(lit.)
Boiling Point	382.0±32.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	184.8±25.1 °C
Exact Mass	262.141632
PSA	77.38000
LogP	0.61
Vapor Pressure	0.0±2.0 mmHg at 25°C
Refractive Index	1.476

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 1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol?

The CAS number of 1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol is 1707-77-3.

What are the molecular formula and molecular weight of 1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol?

1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol has molecular formula C12H22O6 and molecular weight 262.299 g/mol.

What are the upstream and downstream products of 1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol?

For 1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol, Upstream Products: D-Mannitol, 2,2-Dimethoxypropane, 2-Methoxypropene; Downstream Products: (2R,5R)-2,5-Hexanediol, 3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]propan-1-ol, (S)-4,5-isopropylidene-2-pentenylbromide.

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. "1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol (CAS 1707-77-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49258-0 (accessed 2026-11-09).

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