Bromosulphophthalein

Name: Bromosulphophthalein
Brand: Vaqora Chemicals
SKU: VQ-000522

About Bromosulphophthalein

Listed under CAS 71-67-0, Bromosulphophthalein is a biological stain available from Vaqora Chemicals in Microscopy grade. Its molecular formula is C20H8Br4Na2O10S2 and its molecular weight is 838.0 g/mol. It is also known as BSP or Sulfobromophthalein disodium salt.

It is supplied as a powder. Solubility: soluble in water. Store it at room temperature in a dry place, in a tightly closed container. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

Key uses span histology and cytology staining, microscopy, clinical laboratories and dyes and pigments manufacture. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 1 g, 5 g, 100 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Dyes & pigments manufacture

Industries

Specifications & identifiers

Chemical identifiers
Product name	Bromosulphophthalein
Catalogue No.	VQ-000522
CAS Number	71-67-0
IUPAC name	disodium;2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfonatophenyl)-3-oxo-2-benzofuran-1-yl]benzenesulfonate
Molecular formula	C₂₀H₈Br₄Na₂O₁₀S₂
Molecular weight	838 g/mol
Exact mass	837.6047
Grade	Microscopy
HSN code	29349900
InChIKey	GHAFORRTMVIXHS-UHFFFAOYSA-L
SMILES	C1=CC(=C(C=C1C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)C(=O)O2)C4=CC(=C(C=C4)O)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+]
PubChem CID	6282

Physical properties
Physical form	Powder
Appearance	Powder
Solubility	Soluble in water
H-bond donors / acceptors	2 / 10
TPSA	198 Å²
Storage	Room temperature
Synonyms	BSP, Phenoltetrabromophthalein-3',3?-disulfonic acid disodium salt, Sulfobromophthalein disodium salt, bromsulphthalein, Bromsulfalein, Hepatosulfalein, BSP sodium, Sulphobromophthalein sodium, Sodium bromosulfalein, Sodium bromsulphalein, Brom-tetragnost, Sodium bromsulphthalein

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements: P233, P260, P261, P271, P272, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P403, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 71-67-0

AR

Bromosulphophthalein, AR

CAS: 71-67-0
Formula: C₂₀H₈Br₄Na₂O₁₀S₂
MW: 838 g/mol

VQ-046151

Frequently asked questions

What is the CAS number of Bromosulphophthalein?

The CAS Registry Number of Bromosulphophthalein is 71-67-0. It is also known as BSP, Phenoltetrabromophthalein-3',3?-disulfonic acid disodium salt, Sulfobromophthalein disodium salt.

What is the molecular formula and molecular weight of Bromosulphophthalein?

Bromosulphophthalein has the molecular formula C20H8Br4Na2O10S2 and a molecular weight of 838 g/mol.

Which grade and pack sizes of Bromosulphophthalein can I order?

We supply Bromosulphophthalein in Microscopy grade, in 1 g, 5 g, 100 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Bromosulphophthalein?

Yes. Every lot of Bromosulphophthalein is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Bromosulphophthalein be shipped internationally?

Yes. Bromosulphophthalein is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should Bromosulphophthalein be stored?

Room temperature. Keep the container tightly closed and refer to the SDS for full handling guidance.