Name | barium oxalate |
Synonyms | Puratronic BARIUM OXALATE barium oxalate barium ethanedioate barium oxalate, puratronic BARIUM OXALATE MONOHYDRATE Ethanedioic acid, barium salt |
CAS | 516-02-9 |
EINECS | 208-216-9 |
InChI | InChI=1/C2H2O4.Ba/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2 |
Molecular Formula | C2BaO4 |
Molar Mass | 225.35 |
Density | 2.66g/mLat 25°C(lit.) |
Melting Point | 400°C (dec.)(lit.) |
Boling Point | 365.1°C at 760 mmHg |
Flash Point | 188.8°C |
Water Solubility | Soluble in water. |
Vapor Presure | 2.51E-06mmHg at 25°C |
Appearance | Powder |
Color | White |
Solubility Product Constant(Ksp) | pKsp: 6.79 |
Merck | 14,985 |
Storage Condition | Room Temprature |
MDL | MFCD00054429 |
Physical and Chemical Properties | Density 2.66 Melting point 400°C (dec.) bulk powder. Toxic! The relative density was 2.658. 400 degrees C decomposition. Insoluble in water and ethanol. Soluble in dilute nitric acid or hydrochloric acid. By barium salt aqueous solution at room temperature and ammonium oxalate to get the dihydrate precipitation, heating dehydration to anhydrous. |
Use | Used as an analytical reagent |
Hazard Symbols | Xn - Harmful |
Risk Codes | R20/22 - Harmful by inhalation and if swallowed. R320/22 - R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S24/25 - Avoid contact with skin and eyes. |
UN IDs | UN 1564 6.1/PG 3 |
WGK Germany | 1 |
TSCA | Yes |
Hazard Class | 6.1 |
Packing Group | II |
Raw Materials | Oxalic acid Oxalic acid Barium hydroxide |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
solubility in water (g/100ml) | dissolved grams per 100ml of water: 3 × 10-3/20 ℃ |
use | as analytical reagent |