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Metacresol Purple Sodium Salt
(CAS RN:62625-31-4 Product Number:S0045)


Metacresol Purple Sodium Salt
Synonym m-Cresol Purple Sodium Salt
Synonym Sodium m-Cresol Purple
Synonym Sodium Metacresol Purple

General Information

Product Number S0045

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Purity/Analysis Method
Storage Temperature
M.F. / M.W. C21H17NaO5S=404.41
CAS RN 62625-31-4
Related CAS RN
MDL Number MFCD00010177
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance Red to Dark blue to Black powder to crystal
Lambda max. 434.0 to 437.0nm(KH2PO4・NaOH pH 7 buffer sol.)
Absorbance(E1%1cm) min. 350(10mg/L, 434.0 to 437.0nm(KH2PO4・NaOH pH 7 buffer sol., 434.0 to 437.0nm)
Solubility in Water almost transparency
Ignition residue(Sulfate) 17.2 to 19.5 %(after drying)
Drying loss max. 3.0 %
Transition interval(pH) (red)1.2 to 2.8(yellow) , (yellow)7.4 to 9.0(purple)


PubChem SID 87575672
EC Number 263-656-9

Transport Information

HS Number 2914790090


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