Crystal Violet lactone
Crystal Violet Lactone (CAS: 1552-42-7), a chemical compound with the formula C26H29N3O2 and a molecular weight of 415.53 g/mol, is primarily recognised for its role as a colour former in thermal and carbonless copy paper systems. It undergoes a colour-changing reaction when exposed to acidic developers, producing a vibrant violet hue. This compound is also utilized in various staining applications within biological and histological research.
Colour Former
Crystal Violet Lactone acts as a key component in self-reproducing colour systems, such as carbonless copy paper and thermal paper. Upon reaction with an acidic developer, it changes from a colourless lactone form to a coloured cationic dye.
Biological Staining
This compound finds application as a stain in hematology and histology. Its ability to form coloured species can be harnessed for visualising cellular structures in microscopic examinations.
Dye Synthesis Intermediate
As a derivative of Crystal Violet, it may serve as an intermediate or precursor in the synthesis of other related dyes and colorants, leveraging its chromophoric potential.
| Molecular weight | 415.53 |
|---|---|
| Empirical formula | C26H29N3O2 |
| Melting point | 180-183 °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) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 354 nm |
|---|
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 Crystal Violet Lactone (CAS: 1552-42-7) used for?
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Crystal Violet Lactone (CAS: 1552-42-7) is primarily used as a colour former in carbonless copy and thermal paper systems, and also finds applications as a stain in hematology and histology.
What is the CAS number and chemical formula for Crystal Violet Lactone?
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The CAS number for Crystal Violet Lactone is 1552-42-7, and its chemical formula is C26H29N3O2.
What grade and purity does Tech Serve Solutions supply for Crystal Violet Lactone?
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Tech Serve Solutions supplies Crystal Violet Lactone. The specific grade and purity are typically available upon request, and we do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.
How should Crystal Violet Lactone be handled safely?
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Crystal Violet Lactone is a warning substance that may cause skin, eye, and respiratory irritation (H315-H319-H335). Handle with appropriate personal protective equipment, including a dust mask (e.g., N95), eyeshields, and gloves. Ensure adequate ventilation. Refer to the Safety Data Sheet for detailed handling and emergency procedures.
Is Crystal Violet Lactone a controlled substance?
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Based on the provided data, Crystal Violet Lactone (CAS: 1552-42-7) is not indicated as a controlled substance.
How is Crystal Violet Lactone shipped and exported by Tech Serve Solutions?
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Tech Serve Solutions exports fine chemicals globally, adhering to all relevant shipping and customs regulations. Specific packaging and shipping details for Crystal Violet Lactone will be confirmed upon order.
How can I request a sample or quote for Crystal Violet Lactone?
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To request a sample or quote for Crystal Violet Lactone, please contact the Tech Serve Solutions sales department through our official website or listed contact information.
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