3,4-Methylenedioxyphenethyl isocyanate
3,4-Methylenedioxyphenethyl isocyanate (CAS 62334-09-2), with the molecular formula C10H9NO3 and molecular weight 191.18, is an organic building block. It is primarily used in chemical synthesis as a reactive intermediate. This compound belongs to the isocyanate and nitrogen compound families, serving as a valuable reagent in various organic chemistry applications.
- Synonyms
- C10H9NO33,4-Methylenedioxyphenethyl isocyanate

Organic Synthesis Intermediate
This isocyanate serves as a crucial intermediate in the synthesis of more complex organic molecules. Its reactive isocyanate group readily participates in addition reactions, making it valuable for constructing various chemical structures.
Pharmaceutical Research
As a building block, 3,4-Methylenedioxyphenethyl isocyanate can be employed in the research and development of novel pharmaceutical compounds. It allows for the introduction of specific functional groups into potential drug candidates.
Material Science Exploration
The reactivity of the isocyanate moiety makes this compound potentially useful in the development of new polymers or modified materials. It can be incorporated into structures requiring specific chemical linkages.
| Molecular weight | 191.18 |
|---|---|
| Empirical formula | C10H9NO3 |
| Assay | 97% |
| Boiling point | 286-287 °C(lit.) |
| Density | 1.214 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5430(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 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38-42 |
| 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 3,4-Methylenedioxyphenethyl isocyanate used for?
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3,4-Methylenedioxyphenethyl isocyanate (CAS 62334-09-2) is primarily used as a reactive intermediate in organic synthesis, particularly in pharmaceutical research and material science exploration.
What is the CAS number and formula for 3,4-Methylenedioxyphenethyl isocyanate?
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The CAS number is 62334-09-2 and the empirical formula (Hill notation) is C10H9NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Methylenedioxyphenethyl isocyanate with an assay of 97%. This is a technical or research grade chemical, and TSS does not represent it as USP, BP, EP, or pharmacopoeia grade.
What are the primary safety hazards associated with this compound?
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This compound is classified as dangerous and carries the GHS07 and GHS08 symbols with a 'Danger' signal word. Hazards include being harmful if swallowed, in contact with skin, or inhaled, causing skin and eye irritation, and potentially causing respiratory irritation and allergic reactions upon inhalation (H302, H312, H315, H319, H332, H334, H335).
How is this chemical typically packed and shipped by TSS?
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Tech Serve Solutions can pack and ship 3,4-Methylenedioxyphenethyl isocyanate globally, adhering to all relevant regulations for chemical export. Specific packaging details are available upon request.
How can I request a sample or quote for 3,4-Methylenedioxyphenethyl isocyanate?
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To request a sample or a quote, please contact our sales team through the website or by phone. Please specify the CAS number (62334-09-2) and desired quantity.
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