METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)
o-Cresolphthalein Complexone
CAS: 2411-89-4
Molecular Formula: C32H32N2O12
METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS) - Names and Identifiers
| Name | o-Cresolphthalein Complexone |
| Synonyms | phthalein purple Phthalein Complexon o-Cresolphthalein Complexone Phthalocyanine indicator solution XYLENOLPHTHALEIN-BIS(MINODIACETIC ACID) o-Cresolphthalexon~Phthalein complexone enylene)methylene]]bis[n-(carboxymethyl)- Glycine,N,N'-[(3-oxo-1(3H)-isobenzofuranylidene)bis[(6-hydroxy-5-methyl-3,1- glycine,n,n'-[(3-oxo-1(3h)-isobenzofuranylidene)bis[(6-hydroxy-5-methyl-3,1-ph METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS) N,N'-[(3-oxo-1(3H)-isobenzofuranylidene]bis[(6-hydroxy-5-methyl-3,1-phenylene)methylene)]bis(n-(cGlycine 1,3-dihydro-3-oxoisobenzofuran-1-ylidenebis(6-hydroxy-5-methyl-m-phenylenemethylenenitrilo)tetra-acetic acid 2,2',2'',2'''-{(3-oxo-1,3-dihydro-2-benzofuran-1,1-diyl)bis[(6-hydroxy-5-methylbenzene-3,1-diyl)methanediylnitrilo]}tetraacetic acid 2,2',2'',2'''-{(3-oxo-1,3-dihydro-2-benzofuran-1,1-diyl)bis[(6-hydroxy-2,5-dimethylbenzene-3,1-diyl)methanediylnitrilo]}tetraacetic acid 2,2'-[(3-oxo-1,3-dihydro-2-benzofuran-1,1-diyl)bis{(6-hydroxy-5-methylbenzene-3,1-diyl)methanediyl[(carboxymethyl)imino]}]diacetate (non-preferred name) 2-[[5-[1-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-5-methylphenyl]-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxymethyl)amino]acetic acid |
| CAS | 2411-89-4 |
| EINECS | 219-318-8 |
| InChI | InChI=1/C32H32N2O12/c1-17-7-21(9-19(29(17)43)11-33(13-25(35)36)14-26(37)38)32(24-6-4-3-5-23(24)31(45)46-32)22-8-18(2)30(44)20(10-22)12-34(15-27(39)40)16-28(41)42/h3-10,43-44H,11-16H2,1-2H3,(H,35,36)(H,37,38)(H,39,40)(H,41,42)/p-2 |
| InChIKey | IYZPEGVSBUNMBE-UHFFFAOYSA-N |
METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS) - Physico-chemical Properties
| Molecular Formula | C32H32N2O12 |
| Molar Mass | 636.61 |
| Density | 1.515±0.06 g/cm3(Predicted) |
| Melting Point | 181-185°C (dec.)(lit.) |
| Boling Point | 892.1±65.0 °C(Predicted) |
| Flash Point | 493.4°C |
| Water Solubility | SLIGHTLY SOLUBLE |
| Solubility | Easily soluble in water, insoluble in ethanol and ether. Colorless alkali solution can be complexed with calcium, strontium, and barium salts to form purple or dark red, complexed with magnesium to be pink, and complexed with heavy metals to be colorless. Melting point 181~185 ℃ (decomposition). The maximum absorption wavelength is 575(377)nm. The commodity also has sodium containing water. |
| Vapor Presure | 3.5E-34mmHg at 25°C |
| Appearance | White to brown crystalline powder |
| Color | white to off-white |
| Maximum wavelength(λmax) | ['575nm, 377nm'] |
| BRN | 381994 |
| pKa | 1.47, 8.24(at 25℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| MDL | MFCD00005911 |
| Use | Used as complexation indicator |
METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS) - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29322980 |
METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS) - Introduction
Complexometric titration indicator for the determination of calcium, strontium, barium, magnesium and cadmium.
Last Update：2022-10-16 17:15:11
METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS) - Reference Information
| pH indicator color change ph range | Colorless (8.2) to red (9.8) |
| main applications | 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 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | o-cresolphthalein is also called o-toluene phenolphthalein (C22H18O4mol346.38) white or yellow powder, easily soluble in ethanol and ether; Insoluble in water, soluble in dilute alkali, blue, pH 8.2-9.8 (color from colorless to red); The maximum absorption peak is 566(381)mm. |
| application | o-cresolphthalein complexing agent is a metal complexation indicator and also an acid-base indicator. Chelate with calcium and magnesium in acidic solution to form purple chelate. |
| Use | Used as a complexing indicator Complexometric titration of magnesium, calcium, strontium, barium and SO42-indicator; reagent for the determination of serum calcium Reagent, chelating ion chromatography complexing ligand of trace metal ions Complexometric titration indicator, determination of calcium, strontium, barium, magnesium and cadmium |
Last Update：2024-04-10 22:29:15
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View History
METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)METALPHTHALEIN, REAGENT (ACS)
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2-氨基-4-三氟甲基溴苯3-氨基-4-溴三氟甲苯
3-甲基-1-氧代丁基-1-(4-羟甲基苯基)氨基-1-氧代-5-脲基戊烷氨基)-3-甲基-1-氧代丁烷-2-氨基甲酸酯
全氟(4-甲基-2-戊烯)
LABOTEST-BB LT00159675
TISSUE EMBEDDING MEDIUM (PARAPLAST(R) REGULAR)