Sulforhodamine B sodium salt

CAS 3520-42-1C27H29N2NaO7S2Biochemicals & Reagents

Sulforhodamine B sodium salt (CAS: 3520-42-1; Formula: C27H29N2NaO7S2; MW: 580.65) is a fluorescent dye supplied by Tech Serve Solutions. This crimson powder, with a dye content of approximately 75%, is suitable for cell culture applications. It is primarily used to quantify cellular proteins within cultured cells, leveraging its distinct fluorescence properties for accurate measurement.

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Sulforhodamine B sodium salt (C27H29N2NaO7S2) — chemical structure, CAS 3520-42-1; Life Science, fine chemical supplied by Tech Serve Solutions

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01 /Applications

Fluorescent Protein Quantification

Utilize Sulforhodamine B sodium salt as a fluorescent dye to accurately quantify total cellular protein content in cultured cell lines. Its fluorescence properties make it ideal for sensitive detection.

Cell Viability and Cytotoxicity Assays

As a reagent in biochemical assays, this compound can be employed in studies assessing cell viability and cytotoxicity. Its ability to bind to cellular proteins aids in these evaluations.

Biochemical Research

This dye serves as a valuable tool in various biochemical research applications. Its fluorescent nature allows for the detection and quantification of biological molecules.

02 /Properties

Molecular weight	580.65
Empirical formula	C27H29N2NaO7S2
Form	powder
Solubility	methanol: soluble1 mg/mL
Application	Use as a fluorescent dye to quantify cellular proteins in cultured cells.
Suitability	suitable for cell culture
Composition	Dye content, ~75%

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 equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	2

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

04 /Identifiers & registry

CAS number

3520-42-1

MDL number

MFCD00010180

PubChem substance

24899477

Beilstein registry

3886008

05 /Additional specifications

Colour Index Number	45100
Product Line	BioReagent
Fluorescence	λex 565 nm; λem 586 nm in H2O

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 Sulforhodamine B sodium salt used for?

Sulforhodamine B sodium salt (CAS: 3520-42-1) is primarily used as a fluorescent dye to quantify cellular proteins in cultured cells. It is also applicable in biochemical assays for assessing cell viability and cytotoxicity.

What are the CAS number and chemical formula for Sulforhodamine B sodium salt?

The CAS number for Sulforhodamine B sodium salt is 3520-42-1, and its chemical formula is C27H29N2NaO7S2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Sulforhodamine B sodium salt with a dye content of approximately 75%. This product is suitable for cell culture and general laboratory research. We do not represent this product as USP, BP, or EP grade.

How should Sulforhodamine B sodium salt be handled safely?

Sulforhodamine B sodium salt may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Ensure good ventilation.

How is Sulforhodamine B sodium salt packed and shipped?

Sulforhodamine B sodium salt is typically supplied as a powder. TSS exports chemicals globally, adhering to all necessary regulations for safe and secure transport.

How can I request a sample or quote for Sulforhodamine B sodium salt?

To request a sample or quote for Sulforhodamine B sodium salt, please contact our sales department through the details provided on the Tech Serve Solutions website.