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Cresol Purple

Cresol Purple Structure
Cresol Purple
  • CAS No.2303-01-7
  • Chemical Name:Cresol Purple
  • CBNumber:CB7722734
  • Molecular Formula:C21H18O5S
  • Formula Weight:382.43
  • MOL File:2303-01-7.mol
Cresol Purple Property
  • Melting point >250°C
  • Boiling point 577.5±50.0 °C(Predicted)
  • Density 1.404±0.06 g/cm3(Predicted)
  • bulk density 480kg/m3
  • storage temp. room temp
  • solubility Very slightly soluble in water, ethanol; soluble in methanol
  • form Liquid
  • pka 1.51, 8.32(at 25℃)
  • color Dark green
  • PH Range 1.2 (red) - 2.8 (yellow) and 7.4 (yellow) - 9.0 (purple)
  • Water Solubility Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol.
  • ε(extinction coefficient) ≥ 11000 at 295-301nm at 0.01g/L (0.01 G/L in 0.005 N NAOH in Methanol)
    ≥26000 at 578-584nm at 0.01g/L (in 0.005 N NAOH in Methanol)
    ≥8000 at 369-375nm at 0.01g/L (in 0.005 N NAOH in Methanol)
  • λmax 579nm, 371nm
  • Merck 14,2577
  • BRN 350314
  • Stability Stable. Incompatible with strong oxidizing agents.
  • Major Application Fuel cells, sensors, display device, falsification-proof security paper, inks, correction fluid, paints, detection of electrophilic gases, lubricants, cement products, packaging system, adhesive, cosmetics, food storage, determining glucose in dialysis solution, screening of cat diseases, detecting carbohydrates, oral hygiene products
  • EWG's Food Scores 1
  • FDA UNII 85ODZ58K3D
  • EPA Substance Registry System Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl- (2303-01-7)
  • UNSPSC Code 12171502
  • NACRES NB.21
Safety
  • Safety Statements  :24/25
  • WGK Germany  :WGK 2 water endangering
  • TSCA  :Yes
  • HS Code  :2934 99 90
  • NFPA 704:
    1
    0 0
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H302-H315-H319-H335
  • Precautionary statements P261-P305+P351+P338
Cresol Purple Price More Price(13)
  • Brand: Sigma-Aldrich(India)
  • Product number: 857890
  • Product name : m-Cresol Purple
  • Purity: indicator grade, Dye content 90?%
  • Packaging: 1G
  • Price: ₹2273.25
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: 857890
  • Product name : m-Cresol Purple
  • Purity: indicator grade, Dye content 90?%
  • Packaging: 5G
  • Price: ₹2600
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: 857890
  • Product name : m-Cresol Purple
  • Purity: indicator grade, Dye content 90?%
  • Packaging: 10G
  • Price: ₹4820
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 1.05228
  • Product name : m-Cresol purple
  • Purity: indicator
  • Packaging: 5G
  • Price: ₹18190.01
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: 1.05228
  • Product name : m-Cresol purple
  • Purity: indicator
  • Packaging: 5G
  • Price: ₹18190.01
  • Updated: 2022/06/14
  • Buy: Buy

Cresol Purple Chemical Properties,Usage,Production

  • Chemical Properties green crystalline powder
  • Uses Acid-base indicator.
  • Uses m-Cresol Purple acts as a pH indicator dye. It plays an important role in spectrophotometric pH measurements. It operates in the pH ranges 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet). Further, it is employed to stain epithelial cells and proteins.
  • Biochem/physiol Actions m-Cresol purple is a pH indicator. It changes from red (pH 1.2) to yellow (2.8) and yellow (7.4) to purple (9.0).
Cresol Purple Preparation Products And Raw materials
Raw materials
Preparation Products
Cresol Purple Suppliers
Global(277)Suppliers
  • Supplier：
    Watson Biotechnology Co.,Ltd
  • Tel：+86-18186686046<br/>+86-18186686046
  • Email：sales01@watsonbiotech.cn
  • Country：China
  • ProdList：5849
  • Advantage：58
  • Supplier：
    career henan chemical co
  • Tel：+86-0371-86658258<br/>+8613203830695
  • Email：sales@coreychem.com
  • Country：China
  • ProdList：29859
  • Advantage：58
Cresol Purple Spectrum
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