Phenyl isocyanide dichloride
Phenyl isocyanide dichloride (CAS 622-44-6), with the formula C6H5N=CCl2 and a molecular weight of 174.03 g/mol, is a key organic building block. This compound is primarily utilised in chemical synthesis, particularly for the preparation of specialized heterocyclic compounds. Its reactivity makes it valuable in research and development settings for creating novel molecular structures.
- IUPAC
- N-(Dichloromethylene)aniline

Synthesis of Tetrazole Derivatives
Phenyl isocyanide dichloride is employed as a reagent in the synthesis of 5-halo-1-phenyltetrazoles. This application highlights its utility in constructing nitrogen-rich heterocyclic systems.
Chemical Synthesis Intermediate
As an isocyanide compound, it serves as a versatile intermediate in various organic synthesis pathways. Its functional groups allow for diverse chemical transformations.
Research and Development
This chemical is valuable for laboratory research, enabling the exploration of new synthetic routes and the development of novel compounds within academic and industrial R&D departments.
| Molecular weight | 174.03 |
|---|---|
| Linear formula | C6H5N=CCl2 |
| Assay | 98% |
| Boiling point | 103-106 °C/30 mmHg(lit.) |
| Density | 1.265 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.571(lit.) |
| Storage temperature | 2-8°C |
| Application | Phenyl isocyanide dichloride was used in the synthesis of 5-halo-1-phenyltetrazoles1. |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 79 °C / 174.2 °F |
| Transport (UN / ADR) | UN 1672 6.1 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 22-23-36/37/38 |
| Safety statements (S) | 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 Phenyl isocyanide dichloride used for?
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Phenyl isocyanide dichloride is used as a chemical intermediate in organic synthesis, notably for preparing compounds such as 5-halo-1-phenyltetrazoles. It is also employed in research and development settings.
What are the CAS number and chemical formula for Phenyl isocyanide dichloride?
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The CAS number is 622-44-6 and the chemical formula is C6H5N=CCl2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenyl isocyanide dichloride with a minimum purity of 98% (assay). This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Phenyl isocyanide dichloride be handled safely?
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Phenyl isocyanide dichloride is a hazardous substance. It is harmful if swallowed, causes skin irritation, causes serious eye irritation, and is toxic if inhaled or causes respiratory irritation. Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a suitable respirator, must be used. Handle in a well-ventilated area or fume hood.
How is Phenyl isocyanide dichloride packed and exported?
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Phenyl isocyanide dichloride is carefully packed according to international shipping regulations for hazardous materials and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for Phenyl isocyanide dichloride?
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To request a sample or a quotation for Phenyl isocyanide dichloride, please contact the Tech Serve Solutions sales department via our website or by telephone, providing your contact details and the quantity required.
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