Diphenyl p-tolylphosphine (CAS 1031-93-2)

Chinese name: 二苯基甲苯基磷

Diphenyl p-tolylphosphine is registered under CAS 1031-93-2. Molecular formula: C19H17P. Approximate molecular weight: 276.312. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	1031-93-2
English name	Diphenyl p-tolylphosphine
Chinese name	二苯基甲苯基磷
Molecular formula	C19H17P
Molecular weight	276.312
Boiling point	373.7°C at 760 mmHg
Flash point	189.3°C
Vapor pressure	1.89E-05mmHgat25°C
HS code (ref.)	2902909090

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Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 1031-93-2?

Diphenyl p-tolylphosphine is identified by CAS Registry Number 1031-93-2. Molecular formula: C19H17P. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Diphenyl p-tolylphosphine?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 1031-93-2 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.