4-Hexyloxyphenyl isocyanate
4-Hexyloxyphenyl isocyanate (CAS 32223-70-4) is an organic compound with the formula H3C(CH2)5OC6H4NCO and a molecular weight of 219.28 g/mol. This isocyanate derivative is primarily utilised as a building block in chemical synthesis. It plays a role in the development of nitrogen-containing compounds and organic materials, offering reactive isocyanate functionality for various chemical transformations.

Organic Synthesis Intermediate
Serves as a versatile intermediate in organic chemistry, particularly for reactions involving the isocyanate group. It is used to introduce the hexyloxyphenyl moiety into target molecules.
Polymer and Material Science
The reactive isocyanate functionality makes it a potential monomer or cross-linking agent in the synthesis of specialised polymers and materials. It can react with nucleophiles like alcohols and amines.
Research and Development
Utilised in academic and industrial research laboratories for exploring novel synthetic pathways and developing new chemical entities. Its structure lends itself to the creation of diverse organic frameworks.
| Molecular weight | 219.28 |
|---|---|
| Linear formula | H3C(CH2)5OC6H4NCO |
| Assay | 97% |
| Boiling point | 283-284 °C(lit.) |
| Density | 1.027 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5150(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 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38-42 |
| Safety statements (S) | 23-26-36 |
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 4-Hexyloxyphenyl isocyanate used for?
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4-Hexyloxyphenyl isocyanate is primarily used as a building block in organic synthesis and for research and development in material science. Its reactive isocyanate group allows for the introduction of the hexyloxyphenyl moiety into various chemical structures.
What is the CAS number and formula for 4-Hexyloxyphenyl isocyanate?
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The CAS number is 32223-70-4, and its linear formula is H3C(CH2)5OC6H4NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Hexyloxyphenyl isocyanate with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Hexyloxyphenyl isocyanate be handled?
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Handling requires stringent safety precautions due to its hazardous nature. It is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation. It may also cause respiratory irritation and sensitisation by inhalation. Always use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and work in a well-ventilated area. Refer to the Safety Data Sheet for full details.
Is 4-Hexyloxyphenyl isocyanate a controlled substance?
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The provided data does not indicate that 4-Hexyloxyphenyl isocyanate is a controlled substance.
How is 4-Hexyloxyphenyl isocyanate packed and shipped?
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This product is typically packed in suitable containers designed for hazardous chemicals. As a global supplier, Tech Serve Solutions exports this compound following all relevant international shipping regulations for hazardous materials.
How can I request a sample or quote for 4-Hexyloxyphenyl isocyanate?
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To request a sample or a quotation, please contact our sales department through the contact details provided on the Tech Serve Solutions website.
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