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  6. Thermo Scientific Chemicals Bromocresol Purple, pure, indicator grade

Thermo Scientific Chemicals Bromocresol Purple, pure, indicator grade

Catalog No. AC151330050
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140 g
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Glass bottle
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Catalog No. Quantity Packaging
AC151330050 5 g Glass bottle
AC151330250 25 g Glass bottle
AC151331400 140 g Glass bottle
AC151330010 1 kg Glass bottle
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Catalog No. AC151330050 Supplier Thermo Scientific Chemicals Supplier No. 151330050
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Description

CAS: 115-40-2 | C21H16Br2O5S | 540.22 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Indicator

Chemical Identifiers

CAS 115-40-2
Molecular Formula C21H16Br2O5S
Molecular Weight (g/mol) 540.22
MDL Number MFCD00011681
InChI Key ABIUHPWEYMSGSR-UHFFFAOYSA-N
Synonym Bromcresol Purple, BCP, 5', 5''-Dibromo-o-cresolsulfonephthalein
PubChem CID 8273
ChEBI CHEBI:86154
SMILES CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

Specifications

Absorbance (20 mg/L in methanol) Complies, (20 mg/L in methanol) Complies at 0nm
Melting Point 245.0°C
Solubility Information Solubility in water: practically insoluble. Other solubilities: 75g/L in ethanol (20°C)
Infrared Spectrum Authentic
IUPAC Name 3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
Formula Weight 540.21
Grade Pure
Packaging Glass bottle
Visual Transition Interval from pH 5.2 (yellow) to pH 6.8 (purple)
Color Pink or Salmon
Quantity 5 g
Physical Form Powder
Chemical Name or Material Bromocresol Purple
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RUO – Research Use Only