Bromocresol Purple CAS: 115-40-2
MF: C21H16Br2O5S
MW: 540.22
A dye used in the determination of serum-albumin.

Bromocresol Purple (CAS 115-40-2)

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Alternate Names: 5,5'-Dibromo-o-cresolsulfonphthalein; Bromcresol purple sultone form
Application: Bromocresol Purple is a dye used in the determination of serum-albumin
CAS Number: 115-40-2
Molecular Weight: 540.22
Molecular Formula: C21H16Br2O5S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
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Bromocresol Purple is a water soluble dye used as an protein probe. It has been used in the spectrophotometric determination of serum-albumin. It is also a pH indicator with a transition interval from 5.2 - 6.8 (yellow to purple).


References

1. Hill, P.G. and Wells, T.N. 1983. Ann. Clin. Biochem. 20: 264-270. PMID: 6651190

Appearance :
Powder
Physical State :
Solid
Solubility :
Soluble in ethanol (80 mg/ml), alcohol, methanol (4 mg/ml), and methyl cellosolve (300 mg/ml). Insoluble in water.
Storage :
Store at 4° C
Melting Point :
240° C (dec.)
Refractive Index :
n20D 1.70 (Predicted)
pK Values :
pKa: 6.3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
3
PubChem CID :
Merck Index :
14: 1387
MDL Number :
MFCD00011681
EC Number :
204-087-8
Beilstein Registry :
359618
SMILES :
CC1=C(C(=CC(=C1)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)C)Br)O

Download SDS (MSDS)

Certificate of Analysis

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How could we download Technical data

Asked by: Rezaul
Thank you for your question. There is "Technical Information" for this chemical available in a tab by that name below the "Ordering Information" on this product page.
Answered by: Technical Support
Date published: 2019-01-17
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