5-Chloro-2-phenoxyphenyl isocyanate
5-Chloro-2-phenoxyphenyl isocyanate (CAS: 85385-33-7) is an organic compound with the formula C6H5OC6H3(Cl)NCO and a molecular weight of 245.66 g/mol. This chemical serves as a valuable building block in organic synthesis. It is primarily utilised in the development of novel materials and complex organic molecules within research and development settings, particularly in the chemical and pharmaceutical industries.
- IUPAC
- 4-Chloro-2-isocyanatophenyl phenyl ether
- Synonyms
- 4-Chloro-2-isocyanatophenyl phenyl ether

Organic Synthesis
This compound functions as a versatile intermediate in the synthesis of diverse organic molecules. Its isocyanate group readily participates in reactions to form urethanes, ureas, and other functional groups.
Material Science Research
It can be employed in the development of novel polymers and advanced materials. The incorporation of the phenoxyphenyl moiety can impart specific physical and chemical properties to resultant materials.
Pharmaceutical Intermediate
As a building block, it may be used in the multi-step synthesis of potential pharmaceutical agents. Its structure offers a unique combination of functional groups for medicinal chemistry applications.
| Molecular weight | 245.66 |
|---|---|
| Linear formula | C6H5OC6H3(Cl)NCO |
| Assay | 97% |
| Melting point | 43-47 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38-42 |
| Safety statements (S) | 22-26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 5-Chloro-2-phenoxyphenyl isocyanate used for?
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5-Chloro-2-phenoxyphenyl isocyanate (CAS: 85385-33-7) is primarily used as a building block in organic synthesis and potentially in material science and pharmaceutical intermediate development.
What is the CAS number and formula for 5-Chloro-2-phenoxyphenyl isocyanate?
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The CAS number is 85385-33-7 and the molecular formula is C6H5OC6H3(Cl)NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Chloro-2-phenoxyphenyl isocyanate with a minimum purity of 97%. This product is intended for laboratory and research use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Chloro-2-phenoxyphenyl isocyanate be handled safely?
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This compound is a danger due to hazards including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H332 (Harmful if inhaled), H334 (May cause allergy or asthma symptoms or breathing difficulties if inhaled), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95, eyeshields, faceshields, and gloves, is essential. Handle only in a well-ventilated area or under a fume hood.
Is 5-Chloro-2-phenoxyphenyl isocyanate a controlled substance?
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The provided data does not indicate that 5-Chloro-2-phenoxyphenyl isocyanate is a controlled substance.
How is 5-Chloro-2-phenoxyphenyl isocyanate packed and shipped?
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As a global supplier, Tech Serve Solutions professionally packs and exports chemicals worldwide, adhering to all relevant transportation regulations. Specific packaging details are available upon request.
How can I request a sample or quote for 5-Chloro-2-phenoxyphenyl isocyanate?
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To request a sample or a quotation, please contact our sales team directly through the website or by phone, providing your specific requirements.
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