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3,3'-Dimethoxy-4,4'-biphenylene diisocyanate

Also known as: Dianisidine diisocyanate, 4,4'-Diisocyanato-3,3'-dimethoxybiphenyl, 1,1'-Biphenyl, 4,4'-diisocyanato-3,3'-dimethoxy-, MFCD00013847

3,3'-Dimethoxy-4,4'-biphenylene diisocyanate (CAS 91-93-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H12N2O4 and a molecular weight of 296.27700 g/mol. Key properties include a melting point of 112-116ºC(lit.), a boiling point of 442.5ºC at 760 mmHg, a density of 1.19g/cm3 and a flash point of 76.7 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
91-93-0
Jingsj CID
J-33440-7
Molecular Formula
C16H12N2O4
Molecular Weight
296.27700 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Melting Point112-116ºC(lit.)
Boiling Point442.5ºC at 760 mmHg
Density1.19g/cm3
Flash Point76.7 °C
Exact Mass296.08000
PSA77.32000
LogP3.30540
Refractive Index1.569

Frequently Asked Questions

What is the CAS number of 3,3'-Dimethoxy-4,4'-biphenylene diisocyanate?

The CAS number of 3,3'-Dimethoxy-4,4'-biphenylene diisocyanate is 91-93-0.

What are the molecular formula and molecular weight of 3,3'-Dimethoxy-4,4'-biphenylene diisocyanate?

3,3'-Dimethoxy-4,4'-biphenylene diisocyanate has molecular formula C16H12N2O4 and molecular weight 296.27700 g/mol.

What are the upstream and downstream products of 3,3'-Dimethoxy-4,4'-biphenylene diisocyanate?

For 3,3'-Dimethoxy-4,4'-biphenylene diisocyanate, Upstream Products: 3,3'-Dimethoxybenzidine, 3,3'-Dimethoxybenzidine dihydrochloride.

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

Last updated:

How to cite: Jingsj. "3,3'-Dimethoxy-4,4'-biphenylene diisocyanate (CAS 91-93-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33440-7 (accessed 2026-11-09).

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