A0695012
p-Arsanilic acid , 98% , 98-50-0
Synonym(s):
p-Arsanilic acid;4-Aminobenzenearsonic acid;4-Aminophenylarsonic acid;4-Arsanilic acid
CAS NO.：98-50-0
Empirical Formula: C6H8AsNO3
Molecular Weight: 217.05
MDL number: MFCD00007819
EINECS: 202-674-3
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | ≥300 °C(lit.) |
| Boiling point: | 528.5±52.0 °C(Predicted) |
| Density | 1.9571 |
| solubility | Sparingly soluble in water, soluble in concentrated mineral acids, alkali
carbonate solutions, alcohol and diethyl ether. Practically insoluble in
acetone, benzene and chloroform. |
| form | solid |
| pka | pK1: ca 2;pK2: 4.02;pK3: 8.62 (25°C) |
| color | Needles from aq solns |
| Water Solubility | SLIGHTLY SOLUBLE IN COLD WATER |
| Merck | 14,792 |
| BRN | 1102334 |
| Stability: | Hygroscopic |
| InChI | InChI=1S/C6H8AsNO3/c8-6-3-1-5(2-4-6)7(9,10)11/h1-4H,8H2,(H2,9,10,11) |
| InChIKey | XKNKHVGWJDPIRJ-UHFFFAOYSA-N |
| SMILES | [As](C1=CC=C(N)C=C1)(O)(O)=O |
| CAS DataBase Reference | 98-50-0(CAS DataBase Reference) |
| EPA Substance Registry System | p-Aminobenzenearsonic acid (98-50-0) |
Description and Uses
manufacture of medicinal arsenicals.
Safety
| Symbol(GHS) |   GHS06,GHS09 |
| Signal word | Danger |
| Hazard statements | H301+H331-H410 |
| Precautionary statements | P273-P301+P310+P330-P304+P340+P311 |
| Hazard Codes | T,N |
| Risk Statements | 23/25-50/53 |
| Safety Statements | 20/21-28-45-60-61-28A |
| RIDADR | UN 3465 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | CF7875000 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29310095 |
| Hazardous Substances Data | 98-50-0(Hazardous Substances Data) |
| Toxicity | LD50 orally in male rats: >1000 mg/kg (Goldenthal) |
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) |
