Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphine

2-二-叔丁基膦-2',6'-二甲氧基联苯

Also known as: Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphine, 2-(Di-tert-butylphosphino)-2',6'-dimethoxybiphenyl, Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphane, tert-Butyl SPhos, tBu-SPhos, (2',6'-Dimethoxy-2-biphenylyl)[bis(2-methyl-2-propanyl)]phosphine, Phosphine, (2',6'-dimethoxy[1,1'-biphenyl]-2-yl)bis(1,1-dimethylethyl)-

Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphine (CAS 819867-21-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C22H31O2P and a molecular weight of 358.454 g/mol. It is also known as 2-(Di-tert-butylphosphino)-2',6'-dimethoxybiphenyl, Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphane and tert-Butyl SPhos. Key properties include a boiling point of 426.2±35.0 °C at 760 mmHg and a flash point of 262.6±26.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
819867-21-5
Jingsj CID
J-1377282-0
Molecular Formula
C22H31O2P
Chinese Name
2-二-叔丁基膦-2',6'-二甲氧基联苯
Molecular Weight
358.454 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point426.2±35.0 °C at 760 mmHg
Flash Point262.6±26.2 °C

Frequently Asked Questions

What is the CAS number of Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphine?

The CAS number of Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphine is 819867-21-5.

What are the molecular formula and molecular weight of Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphine?

Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphine has molecular formula C22H31O2P and molecular weight 358.454 g/mol.

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

Last updated:

How to cite: Jingsj. "Di-tert-butyl(2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)phosphine (CAS 819867-21-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1377282-0 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.