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B5880 Sigma-Aldrich

Bromocresol Purple

Technical grade

Synonym: 5,5′-Dibromo-o-cresolsulfonphthalein, Bromcresol purple sultone form

  • CAS Number 115-40-2

  • Empirical Formula (Hill Notation) C21H16Br2O5S

  • Molecular Weight 540.22

  •  Beilstein/REAXYS Number 359618

  •  EC Number 204-087-8

  •  MDL number MFCD00011681

  •  PubChem Substance ID 24891871

  •  NACRES NA.47

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Properties

Related Categories B, Cell Biology, Hematology and Histology, Stains & Dyes, A to Z, Stains and Dyes More...
Quality Level   200
form   powder
application(s)   hematology: suitable
  histology: suitable
pH range   5.2 - 6.8, yellow to purple
mp   240 °C (dec.) (lit.)
solubility   methanol: 4 mg/mL, orange
Featured Industry   Diagnostic Assay Manufacturing
storage temp.   room temp
SMILES string   Cc1cc(cc(Br)c1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C)c(O)c(Br)c4
InChI   1S/C21H16Br2O5S/c1-11-7-13(9-16(22)19(11)24)21(14-8-12(2)20(25)17(23)10-14)15-5-3-4-6-18(15)29(26,27)28-21/h3-10,24-25H,1-2H3
InChI key   ABIUHPWEYMSGSR-UHFFFAOYSA-N

Description

General description

Bromocresol purple is a pH indicator. It changes from yellow (5.2) to purple (6.8).

Application

Bromocresol purple has been used as a pH indicator in the yeast culture media. It has been used as a pH indicator in the culture media of Geobacillus stearothermophilus subsp. Calidolactis.

Spectrophotometric determination of serum-albumin

Packaging

5, 25, 100 g in glass bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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