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hot sell Phenol Red Phenol Red reliable manufacturer top quality 143-74-8
Hot sell top quality 143-74-8 Phenol Red reliable manufacturer
Product name:Phenol Red
CAS No. 143-74-8
MF: C19H14O5S
MW: 354.38
PH indicator range: 1.2 (orange) -3.0(yellow) 6.5(yellow-brown)- 8.0(pu…
Wuhan Kemi-Works Chemical Co., Ltd, specialized in R&D, production and sales of pharmaceutical intermediates, electronic chemicals, organic fluorine surfactant, electroplating chemicals etc.
At present, our products include: triazole, ethylacetoacetate derivatives, diphenylamine homologue, biphenyl compounds, perfluoroalkyl and its derivatives and special chemicals used for metal surface treatment such as electroplating intermediates, electrophoretic lacquer etc.
Hot sell top quality 143-74-8 Phenol Red reliable manufacturer
Product name:Phenol Red
CAS No. 143-74-8
MF: C19H14O5S
MW: 354.38
PH indicator range: 1.2 (orange) -3.0(yellow) 6.5(yellow-brown)- 8.0(purple) Maximum absorption wave-length(nm): λ1(PH1.2) 503---506 λ2(PH 3.0) 430---435 λ3(PH 6.5) 430---435 λ4(PH 8.0) 557---560 Mass absorption coefficient(L/cmg) α1 (λ1,PH 1.2,dry sample)110---123 α2 (λ2,PH 3.0,dry sample)60---68 α3 (λ3,PH 6.5,dry sample)62---72 α4 (λ4,PH 8.0,dry sample)115-130 Solution test in alkali: qualified Loss on drying: 1.0%max Residue on ignition (as sulfate): 0.2%max
Wuhan Kemi-Works Chemical Co., Ltd, specialized in R&D, production and sales of pharmaceutical intermediates, electronic chemicals, organic fluorine surfactant, electroplating chemicals etc.
At present, our products include: triazole, ethylacetoacetate derivatives, diphenylamine homologue, biphenyl compounds, perfluoroalkyl and its derivatives and special chemicals used for metal surface treatment such as electroplating intermediates, electrophoretic lacquer etc.
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