3,4-Dichlorophenyl isocyanate
3,4-Dichlorophenyl isocyanate (CAS: 102-36-3) is an organic compound with the molecular formula C7H3Cl2NO and a molar mass of 188.01 g/mol. This reactive intermediate is primarily utilised as a building block in chemical synthesis. It is employed in the creation of complex organic molecules and derivatives, finding applications in research and development settings.
- Synonyms
- 3,4-Dichlorophenyl isocyanate1-Isocyanato-3,4-dichlorobenzeneIsocyanic acid, 3,4-dichlorophenyl ester
Synthesis of Heterocyclic Compounds
3,4-Dichlorophenyl isocyanate serves as a key reagent in the synthesis of various organic compounds. Its reactivity allows for the formation of new chemical bonds, essential for building complex molecular structures.
Intermediate in Organic Synthesis
The compound is used as an intermediate in multi-step organic synthesis pathways. It enables the introduction of the dichlorophenyl moiety into larger molecules, contributing to the development of novel chemical entities.
Preparation of Derivatives
Specifically, it has been documented for use in the synthesis of 1,5-disubstituted-2-biuret derivatives through reactions with specific sulfonamide precursors, highlighting its role in targeted derivative preparation.
| Molecular weight | 188.01 |
|---|---|
| Linear formula | Cl2C6H3NCO |
| Assay | 97% |
| Boiling point | 118-120 °C/18 mmHg(lit.) |
| Vapour pressure | 0.2 mmHg (20 °C) |
| Application | 3,4-Dichlorophenyl isocyanate was used in the synthesis of 1,5-disubstituted-2-thiobiuret derivatives via reaction with thioureido-containing aromatic/heterocyclic sulfonamides1. |
| Melting point | 41-43 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- 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
- P301IF SWALLOWED
- P305IF IN EYES
- P342
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Flash point | 123 °C / 253.4 °F |
| Transport (UN / ADR) | UN 2250 6.1 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23-36/37/38-42 |
| Safety statements (S) | 22-26-36/37/39-45 |
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-Dichlorophenyl isocyanate used for?
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3,4-Dichlorophenyl isocyanate is used as a building block in chemical synthesis, notably in the preparation of 1,5-disubstituted-2-biuret derivatives. It is an intermediate in organic synthesis for creating complex molecules.
What are the CAS number and chemical formula for 3,4-Dichlorophenyl isocyanate?
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The CAS number for 3,4-Dichlorophenyl isocyanate is 102-36-3. Its linear formula is Cl2C6H3NCO, and its molecular formula is C7H3Cl2NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Dichlorophenyl isocyanate with an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should 3,4-Dichlorophenyl isocyanate be handled safely?
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3,4-Dichlorophenyl isocyanate is a dangerous substance. It is toxic if swallowed, causes skin irritation, skin sensitisation, serious eye irritation, and is harmful if inhaled. It may also cause respiratory irritation and has a risk of causing allergy or asthma symptoms or breathing difficulties if inhaled. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and P2 respirator cartridges, should be used. Handle in a well-ventilated area.
Is 3,4-Dichlorophenyl isocyanate a controlled substance?
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The provided data does not indicate that 3,4-Dichlorophenyl isocyanate is a controlled substance.
How is 3,4-Dichlorophenyl isocyanate shipped and exported?
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3,4-Dichlorophenyl isocyanate is shipped and exported under UN 2250, hazard class 6.1, packing group II. Please contact TSS for specific shipping and export details.
How can I request a quote or sample for 3,4-Dichlorophenyl isocyanate?
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To request a quote or sample for 3,4-Dichlorophenyl isocyanate, please contact Tech Serve Solutions directly through our website or sales team.
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