N-Chlorophthalimide
N-Chlorophthalimide (CAS: 3481-09-2) is an organic compound with the molecular formula C8H4ClNO2 and a molecular weight of 181.58 g/mol. This white crystalline solid is a valuable reagent in organic synthesis, frequently employed as a chlorinating agent. It is particularly useful for the selective chlorination of various organic substrates in laboratory and industrial research settings.

Chlorinating Reagent
N-Chlorophthalimide serves as an effective and selective chlorinating agent for a variety of organic transformations. It is often preferred for its ease of handling compared to elemental chlorine or other gaseous chlorinating agents.
Organic Synthesis Intermediate
As a versatile building block, it is used in the synthesis of more complex organic molecules. Its reactive N-Cl bond allows for the introduction of chlorine atoms into diverse molecular structures, facilitating further functionalization.
Laboratory Research Chemical
This compound is widely utilised in academic and industrial research laboratories for exploring new synthetic routes and developing novel chemical entities. Its well-defined reactivity makes it a reliable tool for synthetic chemists.
| Molecular weight | 181.58 |
|---|---|
| Empirical formula | C8H4ClNO2 |
| Assay | 96% |
| Melting point | 188-198 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| 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 N-Chlorophthalimide used for?
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N-Chlorophthalimide is primarily used as a chlorinating agent and an intermediate in organic synthesis for laboratory research and chemical manufacturing.
What is the CAS number and formula for N-Chlorophthalimide?
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The CAS number is 3481-09-2 and the empirical formula is C8H4ClNO2.
What grade and purity does Tech Serve Solutions supply for N-Chlorophthalimide?
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Tech Serve Solutions supplies N-Chlorophthalimide with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
How should N-Chlorophthalimide be handled safely?
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Handle N-Chlorophthalimide with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure good ventilation and avoid dust formation. It is classified as a skin, eye, and respiratory irritant (H315-H319-H335).
Is N-Chlorophthalimide a controlled substance?
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The provided data does not indicate that N-Chlorophthalimide is a controlled substance.
How is N-Chlorophthalimide packed and shipped?
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N-Chlorophthalimide is carefully packed for safe transit and is exported globally by Tech Serve Solutions.
How can I request a quote or sample of N-Chlorophthalimide?
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Please contact our sales team through our website or by phone to request a quote or a sample of N-Chlorophthalimide.
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