Methyl phthaloyl chloride
Methyl phthaloyl chloride (CAS 4397-55-1), with the molecular formula C9H7ClO3 and a molecular weight of 198.60 g/mol, is an acid halide and organic building block. This compound serves as a valuable intermediate in various chemical synthesis processes, particularly in the production of esters and other carbonyl compounds. Its reactive nature makes it suitable for targeted organic transformations.
- IUPAC
- 2-Chlorocarbonylbenzoic acid methyl ester,Methyl 2-(chlorocarbonyl)benzoate,Methyl 2-(chloroformyl)benzoate
- Synonyms
- 2-Chlorocarbonylbenzoic acid methyl esterMethyl 2-(chlorocarbonyl)benzoateMethyl 2-(chloroformyl)benzoate
Organic Synthesis Intermediate
Methyl phthaloyl chloride is employed as a key building block in the synthesis of complex organic molecules. Its acid halide functionality allows for facile reactions with nucleophiles, enabling the introduction of the phthaloyl moiety into various substrates.
Ester Production
This compound is utilised in the formation of esters through reactions with alcohols. It can facilitate the synthesis of specialised esters with applications in research and development.
Pharmaceutical and Fine Chemical Research
As an organic building block, it finds use in the research and development of novel pharmaceutical intermediates and fine chemicals. Its specific structure can be incorporated into lead compounds for drug discovery efforts.
| Molecular weight | 198.60 |
|---|---|
| Empirical formula | C9H7ClO3 |
| Assay | ≥96.5% (HPLC)96.5-103.5% (AT)97% |
Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34-43 |
| 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 Methyl phthaloyl chloride used for?
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Methyl phthaloyl chloride (CAS 4397-55-1) is used as an intermediate in organic synthesis, particularly for producing esters and other carbonyl compounds, and as a building block in pharmaceutical and fine chemical research.
What are the CAS number and formula for Methyl phthaloyl chloride?
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The CAS number for Methyl phthaloyl chloride is 4397-55-1, and its molecular formula is C9H7ClO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl phthaloyl chloride with an assay of ≥96.5% (HPLC), 96.5-103.5% (AT), or 97%. TSS does not represent this product as USP, BP, or EP grade.
What are the primary safety concerns when handling Methyl phthaloyl chloride?
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Methyl phthaloyl chloride is classified as Danger, with hazards including H302 (Harmful if swallowed) and H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment, including face shields, gloves, and respirators, must be used. Handle with extreme caution in a well-ventilated area.
How is Methyl phthaloyl chloride packed and shipped?
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Methyl phthaloyl chloride is shipped under UN 3265, Class 8, Packing Group III. TSS adheres to all regulations for the safe packing and export of this chemical.
How can I request a quote or sample?
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To request a quote or a sample of Methyl phthaloyl chloride, please contact our sales team through our website or by phone. We are happy to assist with your chemical sourcing needs.
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