Isatin
Isatin (CAS: 91-56-5), chemical formula C8H5NO2, is an organic compound with a molecular weight of 147.13. This indole derivative is recognised for its historical and contemporary applications in the synthesis of pigments, notably indigo and Maya Blue. It serves as a key reference material and intermediate in various chemical syntheses, contributing to the development of specialised colorants and potentially other organic compounds.
- IUPAC
- 2,3-Dioxo-2,3-dihydroindole,2,3-Diketoindoline,2,3-Dioxoindoline,2,3-Indolinedione,o-Aminobenzoylformic anhydride,Isatic acid lactam,Isatine,Isatinic acid anhydride,NSC 9262
- Synonyms
- 2,3-Dioxo-2,3-dihydroindole2,3-Diketoindoline2,3-Dioxoindoline2,3-Indolinedioneo-Aminobenzoylformic anhydrideIsatic acid lactamIsatineIsatinic acid anhydrideNSC 9262
Pigment Synthesis
Isatin is a crucial reference material in the production of traditional pigments like indigo and Maya Blue. Its chemical structure is integral to the chromophoric properties of these historically significant colorants.
Chemical Intermediate
As a versatile building block, Isatin is employed in the synthesis of various organic compounds. Its reactivity allows for its use in creating complex molecules within chemical research and development.
Dye Precursor
The compound is associated with the characteristic yellow hue of the 'Maya Yellow' pigment, indicating its role as a precursor or component in certain dye formulations.
| Molecular weight | 147.13 |
|---|---|
| Empirical formula | C8H5NO2 |
| Solubility | : solubleboiling water: solublediethyl ether: soluble |
| Application | Isatin is used as a reference material in the preparation of indigo and Maya Blue. It is also responsible for the yellow color exhibited by the “Maya Yellow” pigment1. |
| Melting point | 193-195 °C (dec.)(lit.) |
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
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 Isatin primarily used for?
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Isatin is primarily used as a reference material in the preparation of indigo and Maya Blue pigments, and it also contributes to the colour of 'Maya Yellow' pigment. It serves as a valuable intermediate in chemical synthesis.
What are the CAS number and chemical formula for Isatin?
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The CAS number for Isatin is 91-56-5, and its chemical formula is C8H5NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isatin with a molecular weight of 147.13. The specific assay or grade is determined by the product's analysis and is available upon request. We do not represent this product as USP, BP, or EP grade.
How should Isatin be handled safely?
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When handling Isatin, it is recommended to wear a dust mask (type N95 US), eyeshields, and gloves to prevent exposure. Refer to the Safety Data Sheet for comprehensive safety information.
Is Isatin a controlled substance?
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The provided data does not indicate that Isatin is a controlled substance.
How is Isatin packed, shipped, and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Isatin. Packaging and shipping methods comply with relevant regulations for safe transport.
How can I request a quote or sample of Isatin?
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To request a quote or sample of Isatin, please contact our sales team through the designated channels on the Tech Serve Solutions website.
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