Tech Serve Solutions

Rhodamine B

CAS 81-88-9C28H31ClN2O3Biochemicals & Reagents

Rhodamine B (CAS 81-88-9), molecular formula C28H31ClN2O3, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents 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
Basic Violet 10,Brilliant Pink B,Rhodamine O,Tetraethylrhodamine
Rhodamine B
Biochemicals and ReagentsCell BiologyHematology and HistologyStains & DyesA to ZStains and DyesWavelength Index More...
01 /Properties
Molecular weight479.01
Empirical formulaC28H31ClN2O3
Assay≥95% (HPLC)
Formpowder
SolubilityH2O: soluble1 mg/mL
Melting point210-211 (dec.)(lit.)
02 /Safety & handling
Corrosive
Corrosive
Harmful / irritant
Harmful / irritant
Danger

Hazard statements

  • H302Harmful if swallowed
  • H318Causes serious eye damage
  • H412Harmful to aquatic life with long-lasting effects

Precautionary statements

  • P273Avoid release to the environment
  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
Protective equipmentdust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn
Risk statements (R)22-41-52/53
Safety statements (S)26-39

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

03 /Identifiers & registry
CAS number
81-88-9
MDL number
MFCD00011931
PubChem substance
24899386
Beilstein registry
4091619
04 /Additional specifications
Colour Index Number45170
Absorptionextinction/542-554 nm, methanol 104500-115800
Fluorescenceλex 554 nm; λem 627 nm (Acidic EtOH)
05 /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.

06 /Frequently asked questions

What is Rhodamine B?

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Rhodamine B (CAS 81-88-9), molecular formula C28H31ClN2O3, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to USP, BP and EP standards.

What grades of Rhodamine B does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Rhodamine B 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 Rhodamine B?

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Rhodamine B has CAS number 81-88-9 and molecular formula C28H31ClN2O3. Full specifications appear in the table above and in the Certificate of Analysis.

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

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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 Rhodamine B 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 Rhodamine B be stored?

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Store Rhodamine B 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 Rhodamine B used for?

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Rhodamine B is used in biochemicals & reagents 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 Rhodamine B?

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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 Rhodamine B in a specific grade or volume?

Request a quote