Tech Serve Solutions

Phenolphthalin

CAS 81-90-3C20H16O4Cell Biology

Phenolphthalin (CAS 81-90-3), molecular formula C20H16O4, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
2-(Bis[4-hydroxyphenyl]methyl)benzoic acid
Phenolphthalin
Cell BiologyHematology and HistologyStains & DyesA to ZStains and Dyes
01 /Properties
Molecular weight320.34
Empirical formulaC20H16O4
Assay≥92%
02 /Safety & handling
Protective equipmentEyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)3

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

03 /Identifiers & registry
CAS number
81-90-3
MDL number
MFCD00036135
PubChem substance
24898992
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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.

05 /Frequently asked questions

What is Phenolphthalin?

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Phenolphthalin (CAS 81-90-3), molecular formula C20H16O4, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to USP, BP and EP standards.

What grades of Phenolphthalin does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Phenolphthalin in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of Phenolphthalin?

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Phenolphthalin has CAS number 81-90-3 and molecular formula C20H16O4. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Phenolphthalin?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of Phenolphthalin ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should Phenolphthalin be stored?

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Store Phenolphthalin in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is Phenolphthalin used for?

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Phenolphthalin is used in cell biology applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for Phenolphthalin?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need Phenolphthalin in a specific grade or volume?

Request a quote