3,5-Dimethoxyphenethyl isocyanate
3,5-Dimethoxyphenethyl isocyanate (CAS: 480439-01-8) is an organic compound with the molecular formula (CH3O)2C6H3CH2CH2NCO and a molecular weight of 207.23 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly in the creation of nitrogen-containing compounds. Its isocyanate functionality allows for diverse derivatization in chemical research and development.
- Synonyms
- (CH3O)2C6H3CH2CH2NCO

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. The reactive isocyanate group enables facile formation of urea, carbamate, and amide linkages.
Pharmaceutical Research
Serves as a building block for developing novel pharmaceutical agents. Its structure can be incorporated into potential drug candidates for various therapeutic areas.
Material Science
Investigated for its potential use in the development of new polymers and materials due to the reactive isocyanate moiety.
| Molecular weight | 207.23 |
|---|---|
| Linear formula | (CH3O)2C6H3CH2CH2NCO |
| Assay | 97% |
| Boiling point | 309-310 °C(lit.) |
| Density | 1.154 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5330(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 |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 2206 6.1/PG 3 |
| 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 3,5-Dimethoxyphenethyl isocyanate used for?
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3,5-Dimethoxyphenethyl isocyanate is primarily used as a building block in organic synthesis, research, and the development of potential pharmaceutical agents and new materials.
What is the CAS number and chemical formula for 3,5-Dimethoxyphenethyl isocyanate?
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The CAS number is 480439-01-8 and the linear formula is (CH3O)2C6H3CH2CH2NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dimethoxyphenethyl isocyanate with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications.
What are the main safety hazards associated with 3,5-Dimethoxyphenethyl isocyanate?
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This compound is classified as Danger and presents 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 eyeshields, gloves, and respiratory protection, is essential.
How is 3,5-Dimethoxyphenethyl isocyanate packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with all relevant international regulations for hazardous materials. Specific packaging details are available upon request.
How can I request a sample or quote for 3,5-Dimethoxyphenethyl isocyanate?
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To request a sample or quote, please contact our sales team through the website or by phone, providing your specific requirements.
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