1,2,3,3-Tetramethyl-3H-indolium iodide
1,2,3,3-Tetramethyl-3H-indolium iodide (CAS: 5418-63-3) is a chemical compound with the molecular formula C12H16IN and a molecular weight of 301.17 g/mol. This indolium salt is primarily utilised in scientific research, particularly within the fields of cell biology, hematology, and histology. It finds application as a reagent in the development and application of various stains and dyes, contributing to microscopic analysis and research methodologies.
- Synonyms
- 3-Tetramethyl-3H-indolium iodide5418-63-3

Cell Biology Research
Used as a reagent in cell biology studies, contributing to the understanding of cellular processes and functions through various staining techniques.
Histology and Hematology Stains
Applicable in the preparation and use of stains for histological and hematological samples, aiding in microscopic examination of tissues and blood.
Dye and Stain Development
Serves as a component or precursor in the synthesis and application of specialized dyes and stains for scientific and diagnostic purposes.
| Molecular weight | 301.17 |
|---|---|
| Empirical formula | C12H16IN |
| Assay | 98% |
| Melting point | 258 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
- 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) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 1,2,3,3-Tetramethyl-3H-indolium iodide used for?
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1,2,3,3-Tetramethyl-3H-indolium iodide is used in scientific research, specifically within cell biology, hematology, and histology, often as a reagent in the development and application of stains and dyes.
What are the CAS number and formula for 1,2,3,3-Tetramethyl-3H-indolium iodide?
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The CAS number is 5418-63-3, and the empirical formula (Hill notation) is C12H16IN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2,3,3-Tetramethyl-3H-indolium iodide with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for this compound?
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This compound is classified with GHS07, signal word 'Warning', and carries hazard statements H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, should be used. Handle with adequate ventilation.
How is 1,2,3,3-Tetramethyl-3H-indolium iodide shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents, adhering to all necessary regulations for safe and compliant international shipment.
How can I request a sample or a quote for 1,2,3,3-Tetramethyl-3H-indolium iodide?
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Please contact our sales department via the website or direct inquiry to request a sample or obtain a quotation for 1,2,3,3-Tetramethyl-3H-indolium iodide.
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