2-Chloro-4,6-dimethylphenyl isocyanate
2-Chloro-4,6-dimethylphenyl isocyanate (CAS: 124421-12-1) is an organic compound with the linear formula (CH3)2C6H2ClNCO and a molecular weight of 181.62 g/mol. This isocyanate is primarily utilised as a versatile building block in chemical synthesis. Its reactive isocyanate group makes it valuable for constructing more complex organic molecules, particularly within research and development settings.
- Synonyms
- (CH3)2C6H2ClNCO

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its isocyanate functionality readily reacts with nucleophiles like alcohols and amines, enabling the formation of urethanes and ureas.
Pharmaceutical Research
Utilised in the early stages of drug discovery and development as a building block for potential pharmaceutical agents. The incorporation of the 2-chloro-4,6-dimethylphenyl moiety can influence the biological activity of target molecules.
Agrochemical Development
Can be employed in the synthesis of novel agrochemical compounds, such as herbicides or insecticides. The specific structural features may impart desirable pesticidal properties.
| Molecular weight | 181.62 |
|---|---|
| Linear formula | (CH3)2C6H2ClNCO |
| Assay | 97% |
| Melting point | 23-27 °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 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| 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-Chloro-4,6-dimethylphenyl isocyanate used for?
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2-Chloro-4,6-dimethylphenyl isocyanate is primarily used as a building block in organic synthesis, particularly for creating more complex molecules in pharmaceutical and agrochemical research.
What are the CAS number and chemical formula for 2-Chloro-4,6-dimethylphenyl isocyanate?
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The CAS number for 2-Chloro-4,6-dimethylphenyl isocyanate is 124421-12-1, and its linear formula is (CH3)2C6H2ClNCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-4,6-dimethylphenyl isocyanate with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-Chloro-4,6-dimethylphenyl isocyanate be handled safely?
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2-Chloro-4,6-dimethylphenyl isocyanate is classified with GHS07 and GHS08 symbols and carries a Danger signal word. It is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation, and may cause respiratory irritation and allergy or asthma symptoms or breathing difficulties if inhaled. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection (e.g., type ABEK respirator filter), is essential. Handle in a well-ventilated area.
How is this chemical packed and shipped?
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Tech Serve Solutions expertly packs and ships fine chemicals globally. Specific packaging details will be provided based on order size and destination, adhering to all relevant transport regulations.
How can I request a sample or quote?
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To request a sample or a quotation for 2-Chloro-4,6-dimethylphenyl isocyanate, please contact our sales team through the website or provide your requirements via email.
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