Home Categories Biochemical Engineering o-Cresolphthalein Complexone
A8441532

o-Cresolphthalein Complexone , 98% , 2411-89-4

Synonym(s):
Phthalein purple;Xylenolphthalein-bis(iminodiacetic acid), Metal phthaleine, Cresol phthalexone;Xylenylphthalein-bisiminodiacetic acid;o-Cresolphthalein-3′,3′′-bis-methyleneiminodiacetic acid;o-Cresolphthalexon

CAS NO.:2411-89-4

Empirical Formula: C32H32N2O12

Molecular Weight: 636.61

MDL number: MFCD00005911

EINECS: 219-318-8

Pack Size Price Stock Quantity
1G RMB239.20 In Stock
5G RMB1119.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 181-185 °C (dec.)(lit.)
Boiling point: 892.1±65.0 °C(Predicted)
Density  1.515±0.06 g/cm3(Predicted)
storage temp.  Store below +30°C.
solubility  NaOH: soluble50mg/mL
form  Powder
pka 1.47, 8.24(at 25℃)
color  white to off-white
PH Range Colorless (8.2) to red (9.8)
Water Solubility  SLIGHTLY SOLUBLE
λmax 575nm, 377nm
BRN  381994
Stability: Stable. Incompatible with strong oxidizing agents.
Major Application Sensors, 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
InChIKey IYZPEGVSBUNMBE-UHFFFAOYSA-N
EPA Substance Registry System Glycine, N,N'-[(3-oxo-1(3H)-isobenzofuranylidene)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylene]]bis[N-(carboxymethyl)- (2411-89-4)

Description and Uses

Indicator for complexometric titration of Mg, Ca, Sr and Ba. It is used as an alkaline earth metal ion indicator. Suggested to be colorless at pH 11, but turns pink in the presence of alkaline earth metals. Also utilized in an auto analyzer to determine serum calcium.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
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

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