1-(4-Hydroxyphenyl)-2,4,6-triphenylpyridinium hydroxide inner salt hydrate
1-(4-Hydroxyphenyl)-2,4,6-triphenylpyridinium hydroxide inner salt hydrate (CAS 123334-01-0) is a specialized organic compound with a molecular weight of 399.48 g/mol (anhydrous basis). This chemical finds application in various laboratory settings, particularly within cell biology and histology. It is supplied by Tech Serve Solutions as a high-purity reagent, suitable for critical research and analytical procedures.
- IUPAC
- ET(1)
- Synonyms
- 123334-01-0

Cell Biology Research
This pyridinium derivative is employed in cell biology research for investigating cellular processes and structures. Its properties may be useful in staining or as a reagent in specific biological assays.
Histological Staining
As a compound categorised under stains and dyes, it is potentially utilized in histological applications for tissue sample preparation and visualisation. It aids in the differentiation of cellular components under microscopy.
Laboratory Reagent
This compound serves as a laboratory reagent for a range of chemical and biological investigations. Its specific characteristics make it valuable for specialised analytical techniques.
| Molecular weight | 399.48 (anhydrous basis) |
|---|---|
| Empirical formula | C29H21NO · xH2O |
| Assay | 97% |
| Melting point | 193-195 °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.
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-(4-Hydroxyphenyl)-2,4,6-triphenylpyridinium hydroxide inner salt hydrate used for?
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This compound is primarily used in cell biology and histology as a stain or reagent for laboratory research and analysis.
What is the CAS number and formula for this compound?
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The CAS number is 123334-01-0, and the empirical formula is C29H21NO · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 97%. It is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 1-(4-Hydroxyphenyl)-2,4,6-triphenylpyridinium hydroxide inner salt hydrate be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust. Ensure good ventilation. In case of contact, follow standard laboratory safety procedures and refer to the Safety Data Sheet.
Is this chemical a controlled substance?
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This chemical is not listed as a controlled substance in the provided data.
How is this product packed, shipped, and exported?
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Tech Serve Solutions professionally packs, ships, and exports fine chemicals globally, adhering to all relevant regulations.
How can I request a sample or quote for this chemical?
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Please contact our sales team or use the online enquiry form to request a sample or a detailed quote for 1-(4-Hydroxyphenyl)-2,4,6-triphenylpyridinium hydroxide inner salt hydrate.
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