A2311012
o-Cresolphthalein Complexone , Chelating indicator , 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 |
| 5G | RMB34.40 | In Stock |
|
| 25G | RMB79.20 | In Stock |
|
| 100g | RMB1279.20 | In Stock |
|
| 500g | RMB1406.40 | In Stock |
|
| others | Enquire |
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 |
