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9-Phenyl-2,3,7-trihydroxy-6-fluorone

CAS 975-17-7C19H12O5Cell Biology

9-Phenyl-2,3,7-trihydroxy-6-fluorone (CAS 975-17-7), also known as Fluorone Black, is a specialized organic compound with the empirical formula C19H12O5 and a molecular weight of 320.30 g/mol. This iron mordant metachrome dye exhibits an absorption maximum at 552 nm. Its primary applications lie within scientific research, particularly in staining procedures within cell biology, hematology, and histology laboratories.

IUPAC
2,6,7-Trihydroxy-9-phenyl-3H-xanthen-3-one,2,6,7-Trihydroxy-9-phenylisoxanthen-3-one,9-Phenyl-2,6,7-trihydroxy-3-fluorone,9-Phenyl-3-fluorone,Fluorone Black
Synonyms
975-17-7C19H12O52,6,7-Trihydroxy-9-phenyl-3H-xanthen-3-one2,6,7-Trihydroxy-9-phenylisoxanthen-3-one9-Phenyl-2,6,7-trihydroxy-3-fluorone9-Phenyl-3-fluoroneFluorone Black
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9-Phenyl-2,3,7-trihydroxy-6-fluorone (C19H12O5) — chemical structure, CAS 975-17-7; Life Science, fine chemical supplied by Tech Serve Solutions
Cell BiologyHematology and HistologyStains & DyesA to ZStains and Dyes
01 /Applications

Histological Staining

9-Phenyl-2,3,7-trihydroxy-6-fluorone serves as a metachrome dye, utilised with an iron mordant in histological and hematological staining techniques. It aids in the differential visualisation of cellular and tissue components.

Cell Biology Research

This compound finds application as a laboratory reagent in cell biology studies. Its properties as a dye assist in microscopic examination and analysis of cellular structures and processes.

Dye and Stain Applications

As a fluorone derivative, 9-Phenyl-2,3,7-trihydroxy-6-fluorone functions within the broader category of stains and dyes. Its specific spectral properties (λmax 552 nm) inform its suitability for particular staining protocols.

02 /Properties
Molecular weight320.30
Empirical formulaC19H12O5
ApplicationAn iron mordant metachrome dye
Melting point>300 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Warning

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 equipmentdust 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)26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
975-17-7
MDL number
MFCD00005048
Beilstein registry
40910
05 /Additional specifications
Absorptionλmax 552 nm
06 /Quality & supply

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.

07 /Frequently asked questions

What is 9-Phenyl-2,3,7-trihydroxy-6-fluorone used for?

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9-Phenyl-2,3,7-trihydroxy-6-fluorone is used as an iron mordant metachrome dye in cell biology, hematology, and histology laboratories for staining purposes.

What is the CAS number and formula for 9-Phenyl-2,3,7-trihydroxy-6-fluorone?

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The CAS number is 975-17-7 and its empirical formula is C19H12O5 (Hill Notation).

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 9-Phenyl-2,3,7-trihydroxy-6-fluorone for research and laboratory use. The specific assay and purity details are available on the product's technical documentation. We do not represent this product as USP, BP, or EP grade.

What are the safety and handling considerations for this chemical?

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This compound is classified as a Warning, with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment such as a dust mask (N95), eyeshields, and gloves should be used. Handle in a well-ventilated area.

How is 9-Phenyl-2,3,7-trihydroxy-6-fluorone packed, shipped, and exported?

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Tech Serve Solutions adheres to all relevant regulations for packing, shipping, and exporting chemical products globally, ensuring safe and compliant transit.

How can I request a sample or a quote for 9-Phenyl-2,3,7-trihydroxy-6-fluorone?

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To request a sample or obtain a quotation, please contact our sales department through the provided channels on the Tech Serve Solutions website.

Need 9-Phenyl-2,3,7-trihydroxy-6-fluorone in a specific grade or volume?