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M-CRESOL PURPLE, SODIUM SALT

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M-CRESOL PURPLE, SODIUM SALT Basic information

Product Name:
M-CRESOL PURPLE, SODIUM SALT
Synonyms:
  • M-CRESOLSULFONEPHTHALEIN SODIUM SALT
  • M-CRESOLSULFONPHTHALEIN SODIUM SALT
  • M-CRESOL PURPLE, SODIUM SALT
  • M-CRESOL PURPLE, WATER SOLUBLE
  • METACRESOL PURPLE SODIUM SALT
  • SODIUM METACRESOL PURPLE
  • SODIUM M-CRESOL PURPLE
  • SODIUM M-CRESOLSULFONEPHTHALATE
CAS:
62625-31-4
MF:
C21H17NaO5S
MW:
404.41
EINECS:
263-656-9
Product Categories:
  • Sulfonephthalein
  • Analytical Chemistry
  • Indicator (pH)
  • pH Indicators
Mol File:
62625-31-4.mol
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M-CRESOL PURPLE, SODIUM SALT Chemical Properties

Melting point:
>250°C
solubility 
Solubility Soluble in water, ethanol
pka
1.51, 8.32(at 25℃)
form 
Powder
color 
Orange-brown to black
PH Range
1.2(red)-2.8(yellow) 7.4(yellow)-9(purple)
Water Solubility 
Soluble in water.
λmax
436nm
Major Application
Screening method of endocrine disrupting chemicals
CAS DataBase Reference
62625-31-4
EPA Substance Registry System
Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis[3-methyl-, monosodium salt (62625-31-4)
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Safety Information

Safety Statements 
22-24/25
WGK Germany 
3
TSCA 
Yes
HS Code 
29147000

MSDS

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M-CRESOL PURPLE, SODIUM SALT Usage And Synthesis

Chemical Properties

orange-brown to black powder

Uses

m-Cresol purple sodium salt is used to detect changes in pH during titrations at which color changes occur at pH 7.6-9.2. Upon bromination, m-cresol purple sodium salt creates the dye bromocresol green (sc-206036) which is used as a tracking dye in DNA agarose gel electrophoresis. In addition, m-cresol purple sodium salt can be used to stain epithelial cells and proteins.

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