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o-Cresolphthalein Complexone

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Company Name: Mainchem Co., Ltd.
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Products Intro: Product Name:o-Cresolphthalein Complexone
CAS:2411-89-4
Company Name: Haihang Industry Co.,Ltd
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Products Intro: Product Name:O-CRESOLPHTHALEINCOMPLEXONE
CAS:2411-89-4
Company Name: career henan chemical co
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Products Intro: Product Name:o-Cresolphthalein Complexone
CAS:2411-89-4
Purity:99% Package:1KG;1USD
Company Name: Anhui Tianjia Chemical Science & Technology Co.,Ltd.  Gold
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Products Intro: Product Name:o-Cresolphthalein CoMplexone
CAS:2411-89-4
Purity:97% Package:25KG
Company Name: J & K SCIENTIFIC LTD.  
Tel: 400-666-7788 +86-10-82848833
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Products Intro: Product Name:o-Cresolphthalein complexone, indicator, ACS reagent
CAS:2411-89-4
Purity:98.0%(T) Package:1G;25G;5G

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o-Cresolphthalein Complexone Basic information
Product Name:o-Cresolphthalein Complexone
Synonyms:O-CRESOLPHTHALEIN-3',3''-BIS(METHYLIMINODI-ACETIC ACID);O-CRESOLPHTHALEIN COMPLEXON;O-CRESOLPHTHALEIN COMPLEXONE;O-CRESOLPHTHALEXON;O-CRESOLPHTHALEXONE;O-CRESOLPHTHALEINDI-(METHYLIMINODI-ACETIC ACID);3,3'-BIS[N,N-BIS(CARBOXYMETHYL)AMINOMETHYL]-O-CRESOLPHTHALEIN;CRESOLPHTHALEIN-BISMETHYLIMINODIACETIC ACID
CAS:2411-89-4
MF:C32H32N2O12
MW:636.6
EINECS:219-318-8
Product Categories:Analytical Chemistry;Chelating Reagents;-;Complexones;Photometric Reagents (Complexone);Phthalein
Mol File:2411-89-4.mol
o-Cresolphthalein Complexone Structure
o-Cresolphthalein Complexone Chemical Properties
Melting point 181-185 °C (dec.)(lit.)
storage temp. Store at RT.
solubility NaOH: soluble50mg/mL
form Powder
pka1.47, 8.24(at 25℃)
color white to off-white
PH RangeColorless (8.2) to red (9.8)
Water Solubility SLIGHTLY SOLUBLE
λmax575nm, 377nm
BRN 381994
Stability:Stable. Incompatible with strong oxidizing agents.
Major ApplicationSensors, photoconductors, copying materials, rubber, body fiuid testing, determination of calcium, magnesium, tin, method for measuring urea nitrogen, liposomal construct for diagnostic use, cardiovascular disease, antibacterial agent
EPA Substance Registry SystemGlycine, N,N'-[(3-oxo-1(3H)-isobenzofuranylidene) bis[(6-hydroxy-5-methyl-3, 1-phenylene)methylene]]bis[ N-(carboxymethyl)-(2411-89-4)
Safety Information
Hazard Codes Xn
Risk Statements 20/21/22-36/37/38
Safety Statements 22-24/25-36-26
WGK Germany 3
TSCA Yes
HS Code 29322980
MSDS Information
o-Cresolphthalein Complexone Usage And Synthesis
Chemical PropertiesWhite powder
Purification Methodso-Cresolphthalein (a complexon precursor without the two bis-carboxymethylamino groups) is a contaminant and is one of the starting materials. It can be removed by dissolving the reagent in H2O and adding a 3-fold excess of sodium acetate and fractionally precipitating it by dropwise addition of HCl to the clear filtrate. Wash the precipitate with cold H2O and dry the monohydrate at 30o in a vacuum. The pure material gives a single spot on paper chromatography (eluting solvent EtOH/water/phenol, 6:3:1, and developing with NaOH). [Anderegg et al. Helv Chim Acta 37 113 1954.] It complexes with Ba, Ca, Cd, Mg and Sr. [Beilstein 18 III/IV 8141.]
o-Cresolphthalein Complexone Preparation Products And Raw materials
Preparation Productsselfcrosslinking emulsion use dfor paper PC-01 series-->Disperse Red 135
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