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  6. Thermo Scientific Chemicals Pyrocatechol Violet, pure, indicator grade

Thermo Scientific Chemicals Pyrocatechol Violet, pure, indicator grade

Catalog No. AC146540250
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Catalog No. AC146540250 Supplier Thermo Scientific Chemicals Supplier No. 146540250
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Description

CAS: 115-41-3 | C19H14O7S | 386.37 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 115-41-3
Molecular Formula C19H14O7S
Molecular Weight (g/mol) 386.37
MDL Number MFCD00005868
InChI Key RRRCKIRSVQAAAS-UHFFFAOYSA-N
Synonym Pyrocatecholsulfonephthalein
PubChem CID 66993
IUPAC Name 4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]benzene-1,2-diol
SMILES OC1=CC=C(C=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(O)=C1

Specifications

Infrared Spectrum Authentic
Lambda Max 441 to 449nm (in methanol)
Packaging Glass bottle
Specific Extinction 375 (at lambda max, methanol) min.
Suitability for complexometric det. of metal oxides: passes
Color Brown or Green
Solubility Information Solubility in water: soluble. Other solubilities: soluble in ethanol, 2-methoxyethanol
Quantity 25 g
Physical Form Metallic or Crystalline Powder
Formula Weight 386.36
Grade Pure
Chemical Name or Material Pyrocatechol Violet
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RUO – Research Use Only