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Phenol Red

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Phenol Red Basic information
Phenol Red Chemical Properties
  • Melting point:>300 °C
  • Boiling point:>300°C
  • Density 1.445 Mg m-3
  • refractive index 1.5300 (estimate)
  • Flash point:>300°C
  • storage temp. no restrictions.
  • solubility 1 M NaOH: soluble1mg/mL
  • form Solid
  • pka7.9(at 25℃)
  • color Red
  • PH6.8~8.4
  • OdorOdorless
  • PH Range6.6(YELLOW)-8.0(RED)
  • Water Solubility 0.77 g/L
  • λmax557nm, 558nm, 360nm, 423nm, 433nm
  • Merck 14,7247
  • BRN 326470
  • Major ApplicationDisplay device, sol-gel matrix, photoreceptors, fuel cells, waveguides, paints, detergents, cosmetics, antiperspirant composition, diapers, screening bacteria, detecting viable cells, diagnosis of urogenital ureaplasmosis, treatment of pathogen infections, amyloid-associated diseases, glaucoma, pulmonary hypertension, asthma, chronic obstructive pulmonary disease, erectile dysfunction, Raynaud’s syndrome, heparin overdose, vulvodynia, wound healing, psychoactive drugs, evaluating dental caries activity
  • InChIKeyBELBBZDIHDAJOR-UHFFFAOYSA-N
  • CAS DataBase Reference143-74-8(CAS DataBase Reference)
  • EPA Substance Registry SystemPhenol Red (143-74-8)
Safety Information
  • Hazard Codes Xi,C
  • Risk Statements 36/37/38-34
  • Safety Statements 37/39-26-45-36/37/39-27
  • WGK Germany 3
  • RTECS SJ7490000
  • TSCA Yes
  • HS Code 29349990
  • ToxicityLD50 orl-rat: >600 mg/kg CTOXAO 4(2),185,71
MSDS
Phenol Red Usage And Synthesis
  • Chemical Propertiesdark red powder
  • UsesAs indicator in 0.02-0.05% alcohol solution. pH 6.8 yellow, 8.4 red.
  • DefinitionChEBI: 3H-2,1-Benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 4-hydroxyphenyl groups. A pH indicator changing colour from yellow below pH 6.8 to bright pink above pH 8.2, it is commonly used as an indicator in cell cultures and in home swimming pool test kits. It is also used in the (now infrequently performed) phenolsulfonphthalein (PSP) test for estimation of overall blood flow through the kidney.
  • Safety ProfileModerately toxic by ingestion and intravenous routes. Mutation data reported. When heated to decomposition it emits toxicvapors of SOx.
  • Enzyme inhibitorThis pH-indicating dye (FW = 354.38 g/mol; CAS 143-74-8; pKa = 7.9; yellow < pH 6.8; red > pH 8.4), also known as phenolsulfonphthalein and sulfophthalein, is a diagnostic aid for evaluating renal function. A typical stock indicator solution is 0.1 g phenol red in 28.2 mL 10 mM NaOH and 221.8 mL water. Target(s): aldehyde reductase; glutaminase; gglutamyl transpeptidase; glutathione S-transferase; 4- methyleneglutaminase; phosphate uptake; thromboxane A2/prostaglandin H2 receptor; and thyroglobulin iodination.
Phenol Red Preparation Products And Raw materials
Phenol Red(143-74-8)Related Product Information
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