Agency
meets USP/NF
质量水平
蒸汽压
1 hPa ( 1077 °C)
检测方案
≥99.5% (precipitation titration)
形式
crystals
杂质
≤0.01% Insoluble matter
≤0.04% Free alkali (as NaOH)
≤0.05% Free acid (as hydrofluoric acid)
≤0.1% Sodium fluosilicate (Na2SiF6)
缺失
≤0.2% loss on drying, 150°C
pH值（酸碱度）
10.2 (20 °C, 40 g/L in H2O)
mp
996 °C
溶解性
soluble 42 g/L
痕量阴离子
chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.01%
sulfite (SO32-): ≤0.005%
痕量阳离子
Cu: ≤0.0002%
Fe: ≤0.002%
K: ≤0.02%
heavy metals (as Pb): ≤0.001%
运输
ambient
储存温度
room temp
InChI
1S/FH.Na/h1H;/q;+1/p-1
InChI key
PUZPDOWCWNUUKD-UHFFFAOYSA-M
应用
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
分析说明
Assay (precipitative titration)99.5% minChloride (Cl)0.003% maxCopper (Cu)0.0002% maxFree acid (as hydrofluoric acid)0.05% maxFree alkali (as NaOH)0.04% maxHeavy metals (as Pb)0.001% maxInsoluble matter0.01% maxIron (Fe)0.002% maxLoss on drying (150°C)0.2% maxPotassium (K)0.02% maxSodium fluosilicate (Na2 Si F6)0.1% maxSulfate (SO4)0.01% maxSulfite (SO2)0.005% max
警示用语：
Danger
危险声明
危险分类
Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2
补充剂危害
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
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