Isatoic anhydride
Isatoic anhydride (CAS: 118-48-9), with the molecular formula C8H5NO3 and a molecular weight of 163.13 g/mol, is a heterocyclic organic compound. It serves as a valuable intermediate and building block in organic synthesis. Its primary applications lie in the preparation of various pharmaceutical agents, agrochemicals, and specialty chemicals, owing to its reactive anhydride and imide functionalities.
- IUPAC
- 3,1-Benzoxazine-2,4(1H)-dione,Anthranilic acid N-carboxylic acid anhydride
- Synonyms
- 3,1-Benzoxazine-2,4(1H)-dioneAnthranilic acid N-carboxylic acid anhydride
Pharmaceutical Intermediate
Isatoic anhydride is utilised in the synthesis of active pharmaceutical ingredients (APIs) and advanced intermediates. Its structure allows for derivatisation into complex heterocyclic systems found in medicinal chemistry.
Agrochemical Synthesis
This compound finds application in the development of novel pesticides and herbicides. It acts as a precursor for creating molecules with specific biological activities relevant to crop protection.
Organic Building Block
As a versatile organic building block, Isatoic anhydride is employed in the creation of diverse chemical structures. It is a key reagent for introducing specific functional groups in multi-step synthetic routes.
Dye and Pigment Precursor
It can be used in the synthesis of certain dyes and pigments, contributing to the development of colorants with specific properties and applications.
| Molecular weight | 163.13 |
|---|---|
| Empirical formula | C8H5NO3 |
| Assay | ≥94% (HPLC) |
| Vapour density | 5.6 (vs air) |
| Melting point | 233 °C (dec.)(lit.) |
Hazard statements
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 308 °C / 586.4 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36-43 |
| Safety statements (S) | 24-26-37 |
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 Isatoic anhydride primarily used for?
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Isatoic anhydride is primarily used as a versatile building block in organic synthesis, particularly in the preparation of pharmaceutical intermediates, agrochemicals, and dyes.
What is the CAS number and molecular formula for Isatoic anhydride?
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The CAS number for Isatoic anhydride is 118-48-9, and its molecular formula is C8H5NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isatoic anhydride with a purity of ≥94% (HPLC). This product is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should Isatoic anhydride be handled safely?
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Isatoic anhydride is a warning substance that may cause skin sensitisation and serious eye irritation (H317, H319). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, face shields, and gloves. Ensure adequate ventilation.
How is Isatoic anhydride packed and shipped?
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Isatoic anhydride is typically packed in robust containers suitable for chemical transport. We export globally, adhering to all relevant shipping regulations for hazardous materials.
How can I request a sample or quote for Isatoic anhydride?
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To request a sample or a quote, please contact our sales department through the website or by calling our office. Please specify the quantity required.
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