邻阿散酸
o-Arsanilic acid
CAS: 2045-00-3
Molecular Formula: C6H8AsNO3
邻阿散酸 - Names and Identifiers
| Name | o-Arsanilic acid |
| Synonyms | o-Arsanilic acid O-ARSANILIC ACID 2-Arsanilic acid ortho-arsanilic acid 2-AMINOPHENYLARSONIC ACID 2-Aminophenylarsonic acid O-AMINOPHENYLARSONIC ACID O-AMINOBENZENEARSONIC ACID 2-AMINOBENZENEARSONIC ACID 2-Aminobenzenearsonic acid o-Aminobenzenearsoinc acid |
| CAS | 2045-00-3 |
| EINECS | 218-064-5 |
| InChI | InChI=1/C6H8AsNO3/c8-6-4-2-1-3-5(6)7(9,10)11/h1-4H,8H2,(H2,9,10,11) |
| InChIKey | LQCOCUQCZYAYQK-UHFFFAOYSA-N |
邻阿散酸 - Physico-chemical Properties
| Molecular Formula | C6H8AsNO3 |
| Molar Mass | 217.05 |
| Density | 1.79 g/cm3 |
| Melting Point | 154-155°C(lit.) |
| Boling Point | 519.3±52.0 °C(Predicted) |
| Flash Point | 267.8°C |
| Solubility | 1 M NH4OH: soluble50mg/mL, clear to turbid (orange-brown) |
| Vapor Presure | 1.31E-11mmHg at 25°C |
| Appearance | solid |
| Color | White to Light yellow to Light orange |
| pKa | pK1: ca 2;pK2: 3.77;pK3: 8.66 (25°C) |
| Use | Color reaction of scandium, titanium, thorium and vanadium in the presence of salicylaldehyde |
邻阿散酸 - Risk and Safety
| Risk Codes | R23/25 - Toxic by inhalation and if swallowed. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S20/21 - S28 - After contact with skin, wash immediately with plenty of soap-suds. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S28A - |
| UN IDs | 2811 |
| WGK Germany | 3 |
| Hazard Class | 6.1 |
| Packing Group | III |
邻阿散酸 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| Use | Used for the color reaction of scandium, titanium, thorium and vanadium in the presence of salicylaldehyde Colorimetric determination of scandium in the presence of salicylaldehyde. Test titanium, thorium and barium with color reaction. |
Last Update：2024-04-09 02:00:07
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