Aizarin-3-methylamine-N,N-diaceticacid
Alizarin Complexone dihydrate
CAS: 3952-78-1
Molecular Formula: C19H15NO8
Aizarin-3-methylamine-N,N-diaceticacid - Names and Identifiers
| Name | Alizarin Complexone dihydrate |
| Synonyms | Alizarincompiexone Alizarin complexone ALIZARIN COMPLEXONE Alizarin fluorine blue Alizarin Complexone dihydrate Alizarin-3-methyliminodiacetic acid 3-Aminomethylalizarin-NN-diacetic acid Aizarin-3-methylamine-N,N-diaceticacid Alizarin Fluorine Blue test solution(ChP) [(3,4-Dihydroxy-2-anthraquinonyl)methyl]iminod 1,2-dihydroxy-anthrachinon-3-methylen-iminodiessigsaeure (((3,4-dihydroxy-2-anthraquinonyl)methyl)imino)di-aceticaci (3,4-Dihydroxy-2-anthraquinonyl)methyliminodiacetic acid dihydrate 2-[carboxymethyl-[(3,4-dihydroxy-9,10-dioxo-2-anthracenyl)methyl]amino]acetic acid 2,2'-{[(3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-2-yl)methyl]imino}diacetic acid |
| CAS | 3952-78-1 |
| EINECS | 223-544-2 |
| InChI | InChI=1/C19H15NO8.2H2O/c21-13(22)7-20(8-14(23)24)6-9-5-12-15(19(28)16(9)25)18(27)11-4-2-1-3-10(11)17(12)26;;/h1-5,25,28H,6-8H2,(H,21,22)(H,23,24);2*1H2 |
Aizarin-3-methylamine-N,N-diaceticacid - Physico-chemical Properties
| Molecular Formula | C19H15NO8 |
| Molar Mass | 385.32 |
| Density | 1.4951 (rough estimate) |
| Melting Point | ~185°C (dec.) |
| Boling Point | 511.79°C (rough estimate) |
| Water Solubility | Slightly soluble (0.2 g/L) |
| Appearance | orange-brown crystals |
| Color | Brown |
| BRN | 2190028 |
| pKa | 1.71±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Stability | Incompatible with strong oxidizing agents. |
| Refractive Index | 1.5000 (estimate) |
| MDL | MFCD00001202 |
| Physical and Chemical Properties | Ginger yellow powder. Melting point 180 °c (decomposition). Slightly soluble in water, ethanol and ether, slightly soluble in water at pH>5, and decreased solubility at pH<5. |
| Use | Spectroscopic determination of fluorine, used as a complexing indicator; determination of aluminum, barium, manganese, nickel, calcium, cadmium, cobalt, copper, indium, lead, strontium, zinc and rare earths. It is prepared into a 0.5% aqueous solution and used as a complexometric titration indicator. |
Aizarin-3-methylamine-N,N-diaceticacid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 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 |
| RTECS | AH0585000 |
| TSCA | Yes |
| HS Code | 29225090 |
Aizarin-3-methylamine-N,N-diaceticacid - Introduction
Soluble in alkaline aqueous solution, its color varies with pH, slightly soluble in water (0 · 2g/L), insoluble in ether, ethanol and other non-polar organic solvents. Slightly soluble in water at pH>5. The solubility decreases at pH<5.
Last Update：2022-10-16 17:25:05
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