OXALIC ACID DIAMMONIUM
oxalic acid diammonium salt
CAS: 1113-38-8
Molecular Formula: C2H2O4.2H3N
OXALIC ACID DIAMMONIUM - Names and Identifiers
| Name | oxalic acid diammonium salt |
| Synonyms | NA 2449 oxalated'ammonium diammonium oxalate Diammonium oxalate AMMONIUM OXALATE TS diammoniumethanedioate OXALIC ACID DIAMMONIUM diammonium ethanedioate oxalic acid diammonium salt Oxalic acid, diammonium salt Ethanedioic acid diammonium salt ETHANEDIOIC ACID DIAMMONIUM SALT Ethanedioic acid, diammonium salt |
| CAS | 1113-38-8 |
| EINECS | 214-202-3 |
| InChI | InChI=1/C2H2O4.H3N/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);1H3 |
OXALIC ACID DIAMMONIUM - Physico-chemical Properties
| Molecular Formula | C2H2O4.2H3N |
| Molar Mass | 124.1 |
| Density | 1.5000 |
| Melting Point | 222-224°C |
| Boling Point | 230.85°C (rough estimate) |
| Flash Point | 188.8°C |
| Water Solubility | Soluble |
| Solubility | Water (Slightly, Sonicated) |
| Vapor Presure | 0Pa at 20℃ |
| Appearance | Colorless crystals or particles |
| Color | Colorless crystals |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Hygroscopic |
| Refractive Index | 1.4350 (estimate) |
| Physical and Chemical Properties | Water-soluble |
| Use | For the manufacture of safety explosives |
OXALIC ACID DIAMMONIUM - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 21/22 - Harmful in contact with skin and if swallowed. |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 1759 8/PG 3 |
| WGK Germany | 1 |
| RTECS | RO2750000 |
| HS Code | 29239000 |
OXALIC ACID DIAMMONIUM - Upstream Downstream Industry
| Raw Materials | Ammonium hydroxide Oxalic acid |
| Downstream Products | Cobalt Formate 4-Methylimidazole |
OXALIC ACID DIAMMONIUM - Reference
| Reference Show more | 1. Li Shuhui, Yu Hongli, Wu Hao, Zhang Yuanbin. Study on Quality Standard of Raw Lime for Processing Accessories [J]. Shizhen National Medicine National Medicine, 2020,31(11):2638-2640. |
OXALIC ACID DIAMMONIUM - Nature
Open Data Verified Data
colorless columnar or white granular crystals. Tasteless, toxic. 19 The product is soluble in 20mL water, 2.6mL boiling water, ethanol-soluble, insoluble in ammonia. The solution was neutral (0. Imol/L, ph 6.4). Heat to 95 deg C when dehydration, heat is decomposed. dl. 50. Flammable, but not easy to ignite, combustion associated with toxic gases.
Last Update：2024-01-02 23:10:35
OXALIC ACID DIAMMONIUM - Preparation Method
Open Data Verified Data
oxalic acid was dissolved in distilled water. After filtration, the filtrate was placed in a porcelain dish containing ammonia. The solution was rapidly cooled to 25 °c with constant stirring and the crystals were filtered off with suction and dried at room temperature to give pure ammonium oxalate.
Last Update：2022-01-01 09:00:36
OXALIC ACID DIAMMONIUM - Use
Open Data Verified Data
reagents for the determination of calcium, lead, cerium, thorium, zirconium and other elements. It is also used in organic synthesis and as a metal polishing agent.
Last Update：2022-01-01 09:00:37
OXALIC ACID DIAMMONIUM - Safety
Open Data Verified Data
toxic l inhalation can irritate the nose, throat, lungs; Contact is irritating to the skin, repeated contact can lead to skin rupture, and slow healing; Excessive exposure can lead to kidney stones and kidney damage. Store in a closed container, in a cool, ventilated place, away from food.
Last Update：2022-01-01 09:00:37
OXALIC ACID DIAMMONIUM - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| solubility in water (g/100ml) | dissolution grams per 100ml of water at different temperatures (℃): 2.2g/0 ℃;3.21g/10 ℃;4.45g/20 ℃;6.09g/30 ℃;8.18g/40 ℃ 14g/60 ℃;22.4g/80 ℃;27.9g/90 ℃;34.7g/100 ℃ |
| use | as analytical reagent, organic synthesis intermediate. Used to make safe explosives and for analytical reagents. In the laboratory, ammonium oxalate can form a precipitate with the calcium and magnesium plasma in the solution, and the calcium and magnesium ions in the solution are removed by filtration. Used for precious metal extraction and organic synthesis |
| production method | dissolve oxalic acid in water, add oxalic acid to ammonia water and continuously stir to quickly cool the solution to 25 ℃, filter out crystals, and dry at room temperature to obtain ammonium oxalate. |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | reference value: abdominal cavity-mouse LD50: 155 mg/kg |
| flammability hazard characteristics | combustible; combustion produces toxic nitrogen oxides and ammonia smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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Raw Materials for OXALIC ACID DIAMMONIUM
Downstream Products for OXALIC ACID DIAMMONIUM