2,3-Dimethoxyphenethyl isocyanate
2,3-Dimethoxyphenethyl isocyanate (CAS 480439-02-9) is a versatile organic compound with the molecular formula (CH3O)2C6H3CH2CH2NCO and a molecular weight of 207.23 g/mol. It serves as a valuable building block in chemical synthesis. Its isocyanate functional group allows for a range of reactions, making it useful in the development of novel organic molecules for research and industrial applications.
- Synonyms
- (CH3O)2C6H3CH2CH2NCO

Organic Synthesis Intermediate
This compound functions as a key intermediate in complex organic synthesis. Its reactive isocyanate group facilitates the formation of new chemical bonds, essential for constructing diverse molecular architectures in research and development settings.
Building Block for Novel Compounds
As an organic building block, 2,3-Dimethoxyphenethyl isocyanate is employed in the creation of new chemical entities. It is particularly useful for introducing the 2,3-dimethoxyphenethyl moiety into larger molecules.
Reagent in Chemical Research
Researchers utilise this isocyanate to explore new synthetic pathways and develop novel materials. Its specific structure makes it a useful reagent for investigating structure-activity relationships in medicinal chemistry and materials science.
| Molecular weight | 207.23 |
|---|---|
| Linear formula | (CH3O)2C6H3CH2CH2NCO |
| Assay | 97% |
| Boiling point | 275-276 °C(lit.) |
| Density | 1.131 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5250(lit.) |
| Storage temperature | 2-8°C |


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 | 85 °C / 185 °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 2,3-Dimethoxyphenethyl isocyanate used for?
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2,3-Dimethoxyphenethyl isocyanate is primarily used as a building block and intermediate in organic synthesis and chemical research for creating new organic molecules.
What is the CAS number and formula for 2,3-Dimethoxyphenethyl isocyanate?
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The CAS number is 480439-02-9 and the linear formula is (CH3O)2C6H3CH2CH2NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Dimethoxyphenethyl isocyanate with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the main safety hazards associated with this chemical?
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This compound is classified with the GHS signal word 'Danger' and carries hazard statements 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 is essential for safe handling.
How is 2,3-Dimethoxyphenethyl isocyanate packed, shipped, and exported?
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We ensure that all chemicals are packed, shipped, and exported in accordance with international regulations for hazardous materials. Specific details regarding UN 2206, Class 6.1, Packing Group III apply.
How can I request a sample or quote for 2,3-Dimethoxyphenethyl isocyanate?
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To request a sample or obtain a quote, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
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