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Agency
meets USP/NF
质量水平
蒸汽压
0.000312 hPa ( 25 °C)
方案
99.5-102.5%
表单
solid
杂质
≤0.005% Insoluble matter
灼烧残渣
≤0.01%
pH值（酸碱度）
1.5 (10 g/L in H2O)
沸点
149-160 °C/1013 hPa (decomposition)
mp
98-100 °C (Elimination of water of crystallisation)
转变温度
flash point 157 °C (decomposition)
溶解性
>100 g/L
密度
1.65 g/cm3 at 20 °C
痕量阴离子
chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.005%
痕量阳离子
Ca: ≤0.001%
Fe: ≤2 ppm
N: ≤0.001%
heavy metals: ≤5 ppm
运输
ambient
储存温度
room temp
InChI
1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
InChI key
GEVPUGOOGXGPIO-UHFFFAOYSA-N
应用
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
分析说明
Assay: 99.5-102.5%
Calcium (Ca): 0.001% max
Chloride (Cl): 0.002% max
Heavy Metals (by ICP-OES): 5ppm max
Insoluble matter: 0.005% max
Iron (Fe): 2ppm max
Nitrogen compounds (as N): 0.001% max
Residue after ignition: 0.01% max
Substances darkened by hot sulfuric acid: To pass test
Sulfate (SO4): 0.005% max
Calcium (Ca): 0.001% max
Chloride (Cl): 0.002% max
Heavy Metals (by ICP-OES): 5ppm max
Insoluble matter: 0.005% max
Iron (Fe): 2ppm max
Nitrogen compounds (as N): 0.001% max
Residue after ignition: 0.01% max
Substances darkened by hot sulfuric acid: To pass test
Sulfate (SO4): 0.005% max
警示用语：
Danger
危险声明
危险分类
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
储存分类代码
11 - Combustible Solids
WGK
WGK 1
法规信息
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