1.00492

Oxalic acid dihydrate

EMPLURA^®

• 别名: Oxalic acid dihydrate, Ethanedioic acid
• 线性分子式: (COOH)₂ · 2 H₂O
• CAS号: 6153-56-6
• 分子量: 126.07
• MDL號碼: MFCD00149102
• 分類程式碼代碼: 12352106
• 酶委員會索引編號: 205-634-3
• NACRES: NA.21

属性

• 蒸汽壓力: 0.000312 hPa ( 25 °C)
• 品質等級: 200
• 產品線: EMPLURA^®
• 化驗: ≥99% (manganometric)
• 形狀: solid
• 效力: 375 mg/kg LD₅₀, oral (Rat)
• 燃燒殘留物: ≤0.05% (800 °C as sulfate)
• pH值: 1.5 (10 g/L in H₂O)
• bp: 149-160 °C/1013 hPa (decomposition)
• mp: 98-100 °C
• 轉變溫度: flash point 157 °C (decomposition)
• 密度: 1.65 g/cm³ at 20 °C
• 體積密度: 813 kg/m³
• 負離子痕跡: chloride (Cl^-): ≤0.002%; sulfate (SO₄^2-): ≤0.02%
• 正離子痕跡: Fe: ≤0.001%; N: ≤0.005%; heavy metals (as Pb): ≤0.002%
• 儲存溫度: 2-30°C
• InChI: 1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
• InChI 密鑰: GEVPUGOOGXGPIO-UHFFFAOYSA-N

说明

應用

• In Situ Investigation of a Self-Accelerated Cocrystal Formation by Grinding Pyrazinamide with Oxalic Acid.: This study investigates the in situ cocrystal formation of pyrazinamide and oxalic acid dihydrate, emphasizing the self-accelerating nature of the process and its implications for pharmaceutical development (Kulla et al., 2016).


• Deuterium MAS NMR studies of dynamics on multiple timescales: histidine and oxalic acid.: This article examines the dynamics of oxalic acid dihydrate and histidine using deuterium magnetic angle spinning nuclear magnetic resonance, providing insights into molecular motions on various timescales (Chan-Huot et al., 2015).

分析報告

Assay (manganometric): ≥ 99.0 %
Chloride (Cl): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.002 %
Total nitrogen (N): ≤ 0.005 %
Fe (Iron): ≤ 0.001 %
Residue on ignition (800 °C as sulfate): ≤ 0.05 %

法律資訊

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

安全信息

• 象形圖: GHS05,GHS07
• 訊號詞: Danger
• 危險聲明: H302 + H312 - H318
• 防範說明: P264 - P270 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338
• 危險分類: Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 1