3,5-Dimethoxyphenyl isocyanate
3,5-Dimethoxyphenyl isocyanate (CAS: 54132-76-2) is an organic compound with the linear formula (CH3O)2C6H3NCO and a molecular weight of 179.17 g/mol. This reactive isocyanate functions as a valuable building block in organic synthesis. It is primarily utilised in the chemical industry for the development of novel molecules and materials, particularly within pharmaceutical research and fine chemical production. TSS supplies this compound with a minimum assay of 98%.
- Synonyms
- (CH3O)2C6H3NCO

Organic Synthesis Intermediate
Utilised as a key building block in multi-step organic syntheses for the creation of complex molecules. Its isocyanate group readily reacts with nucleophiles, enabling diverse chemical transformations.
Pharmaceutical Research
Employed in the research and development of new pharmaceutical compounds. It can be incorporated into molecular structures to explore potential therapeutic applications.
Material Science
May be used in the development of specialised polymers or materials where the incorporation of aromatic isocyanate functionalities is desired.
| Molecular weight | 179.17 |
|---|---|
| Linear formula | (CH3O)2C6H3NCO |
| Assay | 98% |
| Storage temperature | 2-8°C |
| Melting point | 33-36 °C(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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3335 |
| 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 3,5-Dimethoxyphenyl isocyanate used for?
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3,5-Dimethoxyphenyl isocyanate is used as a building block in organic synthesis, particularly in pharmaceutical research and the development of fine chemicals and novel materials.
What is the CAS number and formula for 3,5-Dimethoxyphenyl isocyanate?
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The CAS number is 54132-76-2 and the linear formula is (CH3O)2C6H3NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dimethoxyphenyl isocyanate with a minimum assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 3,5-Dimethoxyphenyl isocyanate be handled safely?
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This compound is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation and respiratory irritation. It may also cause allergy or asthma symptoms or breathing difficulties if inhaled. Always use appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area.
How is 3,5-Dimethoxyphenyl isocyanate shipped?
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3,5-Dimethoxyphenyl isocyanate is shipped under UN 3335 regulations. We are experienced global exporters.
How can I request a quote or sample?
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Please contact our sales team via the website or directly with your inquiry to request a quote or sample.
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