Phenyl isocyanate (CAS 103-71-9)

Chinese name: 异氰酸苯酯

Phenyl isocyanate is registered under CAS 103-71-9. Molecular formula: C7H5NO. Approximate molecular weight: 119.121. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	103-71-9
English name	Phenyl isocyanate
Chinese name	异氰酸苯酯
Molecular formula	C7H5NO
Molecular weight	119.121
Melting point	-31.3℃
Boiling point	162-163℃
Density	1.096
Flash point	55℃
Refractive index	1.535-1.537
Water solubility	分解
Vapor pressure	2.11mmHgat25°C
HS code (ref.)	2929109000

Applications (reference)

用于鉴别醇及胺，也作有机合成中间体。

Related products at SKYSEVEN Chemical

No on-catalog product linked yet. Contact sales with CAS 103-71-9 for availability.

Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 103-71-9?

Phenyl isocyanate is identified by CAS Registry Number 103-71-9. Molecular formula: C7H5NO. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Phenyl isocyanate?

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

How do I verify CAS 103-71-9 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.