Sulfobromophthalein disodium salt hydrate
Sulfobromophthalein disodium salt hydrate (CAS: 123359-42-2) is a chemical compound with the formula C20H8Br4Na2O10S2 · xH2O. With a molecular weight of approximately 838.00 g/mol (anhydrous basis), it is recognised for its properties as a dye and stain. Primarily employed in biological and histological applications, it aids in diagnostic procedures and scientific research. Tech Serve Solutions supplies this compound for laboratory and research use.
- IUPAC
- BSP,Bromsulfalein sodium disodium salt hydrate
- Synonyms
- BSP,Bromsulfalein sodium disodium salt hydrate

Histological Staining
This compound serves as a vital stain in histology, enabling the visualisation of cellular structures and tissues under microscopic examination. Its chromophoric properties aid in differentiating various biological components.
Cell Biology Research
In cell biology, Sulfobromophthalein disodium salt hydrate is utilised for specific staining techniques. It helps researchers in observing cellular morphology and function in experimental settings.
Diagnostic Dye
Historically, related compounds have been used in diagnostic tests to assess liver function. While specific current medical applications may vary, its properties lend themselves to such investigations.
| Molecular weight | 838.00 (anhydrous basis) |
|---|---|
| Empirical formula | C20H8Br4Na2O10S2 · xH2O |

Hazard statements
- H317May cause an allergic skin reaction
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 42/43 |
| Safety statements (S) | 22-36/37-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 366 nmλmax 577 nm (2nd) |
|---|
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 Sulfobromophthalein disodium salt hydrate used for?
+
Sulfobromophthalein disodium salt hydrate is primarily used as a stain in cell biology and histology for microscopic examination and research purposes. Related compounds have also been used in diagnostic tests for liver function.
What is the CAS number and chemical formula for Sulfobromophthalein disodium salt hydrate?
+
The CAS number is 123359-42-2, and the chemical formula is C20H8Br4Na2O10S2 · xH2O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this product for research and laboratory use. The exact assay is provided on the Certificate of Analysis. TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Sulfobromophthalein disodium salt hydrate be handled safely?
+
This compound may cause an allergic skin reaction (H317) and may cause allergy or asthma symptoms or breathing difficulties if inhaled (H334). Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, face shields, and gloves. Ensure adequate ventilation.
Is this product available for export?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents and can handle export requests for this product.
How can I request a quote or sample?
+
To request a quote or sample, please contact our sales team through the TSS website or by phone, providing the product name and CAS number.
▶ Related products

(−)-Curcumol
C15H24O2
Cell Biology
(±) Clopidogrel hydrogensulfate
Cell Biology

(±)-L-Alliin
C6H11NO3S
Cell Biology
(±)-2-Amino-4-phosphonobutyric acid
C4H10NO5P
Cell Biology
(±)-2-Methylarachidonoyl-2′-fluoroethylamide
C23H38NOF
Cell Biology
(±)-3,4-Methylenedioxy-N-ethylamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxyamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxymethamphetamine hydrochloride
Cell Biology
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis