3,3'-Dimethoxy-4,4'-biphenylene diisocyanate
3,3′-二甲氧基-4,4′-联苯二异氰酸酯
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. It is also known as Dianisidine diisocyanate, 4,4'-Diisocyanato-3,3'-dimethoxybiphenyl and 1,1'-Biphenyl, 4,4'-diisocyanato-3,3'-dimethoxy-. 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 170 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 91-93-0
- Jingsj CID
- J-33440-4
- Molecular Formula
- C16H12N2O4
- Chinese Name
- 3,3′-二甲氧基-4,4′-联苯二异氰酸酯
- Molecular Weight
- 296.27700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 112-116ºC(lit.) |
|---|---|
| Boiling Point | 442.5ºC at 760 mmHg |
| Density | 1.19g/cm3 |
| Flash Point | 170 °F |
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.
Data compiled from public chemical databases 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-33440-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.