32304
草酸铵 一水合物
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-101.0%
别名:
草酸 二铵盐
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关于此项目
线性分子式:
(NH4)2C2O4 · H2O
化学文摘社编号:
分子量:
142.11
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
EC Number:
238-135-4
Beilstein/REAXYS Number:
3759830
MDL number:
Assay:
99.5-101.0%
Form:
crystalline
Quality Segment
agency
USP/NF, reag. ISO, reag. Ph. Eur.
vapor pressure
<0.1 hPa ( 20 °C)
grade
ACS reagent, puriss. p.a.
assay
99.5-101.0%
form
crystalline
impurities
≤0.005% in water insoluble matters
ign. residue
≤0.02% (as SO4)
pH
6-7 (20 °C, 2.5%)
mp
133 °C (dec.) (lit.)
anion traces
chloride (Cl-): ≤5 mg/kg, nitrate (NO3-): ≤5 mg/kg, sulfate (SO42-): ≤20 mg/kg
cation traces
Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, K: ≤10 mg/kg, Mg: ≤10 mg/kg, Na: ≤10 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg
SMILES string
OC(C(O)=O)=O.N.O.N
InChI
1S/C2H2O4.2H3N.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);2*1H3;1H2
InChI key
MSMNVXKYCPHLLN-UHFFFAOYSA-N
General description
Ammonium oxalate monohydrate is the diammonium salt of oxalic acid. Its refined crystal structure has been investigated by three-dimensional diffraction studies. Influence of bivalent [Mn(II), Co(II), Ni(II)] and trivalent cations [Fe(III), Cr(III)] impurities on the growth rates of ammonium oxalate monohydrate crystals has been described. Its space group and unit cell parameters have been analyzed by neutron diffraction studies. Its IR spectra has been compared with that of isolated coal-solubilizing agent (CSA).
Application
Ammonium oxalate monohydrate may be used to prepare an electrochemiluminescence (ECL) solution containing 1mM tris(2,2-bipyridyl)ruthenium(II) (Ru(bpy)32+) and 0.2mM ammonium oxalate monohydrate in a 0.1M ammonium acetate buffer at pH 5.0.
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警示词
Warning
危险代码
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2
存储类别
13 - Non Combustible Solids
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WGK 1
闪点 (F)
Not applicable
闪点 (°C)
Not applicable