5-tert-Butyl-2-methoxyphenyl isocyanate
5-tert-Butyl-2-methoxyphenyl isocyanate (CAS: 284462-77-7) is a specialised organic compound with a molecular weight of 205.25 g/mol. Its chemical structure incorporates a tert-butyl group, a methoxy group, and a highly reactive isocyanate functional group. This reactivity makes it a valuable intermediate in various chemical synthesis pathways, particularly in the development of novel organic molecules and materials. It is supplied by Tech Serve Solutions for research and industrial applications.

Organic Synthesis Intermediate
This isocyanate serves as a versatile building block in organic chemistry. It can be reacted with nucleophiles such as alcohols, amines, and thiols to form carbamates, ureas, and thiocarbamates, respectively. These reactions are fundamental in constructing more complex organic structures for research purposes.
Material Science Research
The unique combination of functional groups in 5-tert-Butyl-2-methoxyphenyl isocyanate may lend itself to the development of specialised polymers or functional materials. Its incorporation into polymer chains could modify material properties such as thermal stability or reactivity.
Pharmaceutical Intermediate Development
As an organic building block, this compound can be utilised in the multi-step synthesis of potential pharmaceutical candidates. The isocyanate group allows for facile derivatisation and linkage to other molecular fragments during drug discovery research.
| Molecular weight | 205.25 |
|---|---|
| Linear formula | (CH3)3CC6H3(OCH3)NCO |
| Assay | 97% |
| Boiling point | 258-259 °C(lit.) |
| Density | 1.037 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5240(lit.) |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P342
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 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-tert-Butyl-2-methoxyphenyl isocyanate typically used for?
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5-tert-Butyl-2-methoxyphenyl isocyanate is primarily used as a building block in organic synthesis for the creation of more complex molecules, potentially in material science research and pharmaceutical intermediate development.
What are the CAS number and chemical formula for this compound?
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The CAS number is 284462-77-7, and the linear formula is (CH₃)₃CC₆H₃(OCH₃)NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-tert-Butyl-2-methoxyphenyl isocyanate with a minimum purity of 97%. This product is intended for research and industrial use and is not represented as USP, BP, or EP grade.
How should 5-tert-Butyl-2-methoxyphenyl isocyanate be handled safely?
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This compound is a skin, eye, and respiratory irritant and may cause respiratory sensitisation. Handle with appropriate personal protective equipment, including gloves, eye protection, and a suitable respirator, in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray (P261).
Is 5-tert-Butyl-2-methoxyphenyl isocyanate a controlled substance?
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The provided data does not indicate that 5-tert-Butyl-2-methoxyphenyl isocyanate is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packs and ships chemicals according to international regulations for hazardous materials. As a global supplier, we have extensive experience in exporting fine chemicals worldwide.
How can I request a sample or quote for 5-tert-Butyl-2-methoxyphenyl isocyanate?
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To request a sample or a quote, please use the contact form on our website or call our sales department. Please include the product name and CAS number (284462-77-7) in your request.
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