PX1520

Potassium Nitrate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

• 别名: Potassium Nitrate, Nitrate of Potash
• 经验公式（希尔记法）: KNO₃
• CAS号: 7757-79-1
• 分子量: 101.10
• MDL编号: MFCD00011409
• UNSPSC代码: 12352302
• EC索引号: 231-818-8

属性

• 等级: ACS reagent
• 质量水平: 200
• Agency: meets USP/NF
• 方案: ≥99.0%
• 表单: crystals
• 杂质: ≤0.005% Insoluble matter
• 颜色: white
• pH值（酸碱度）: 5.0-7.5 (20 °C, 50 g/L in H₂O)
• mp: 334 °C
• 痕量阴离子: chloride (Cl^-): ≤0.002%; iodate (IO₃^-): ≤5 ppm; nitrite (NO₂^-): ≤0.001%; phosphate (PO₄^3-): ≤5 ppm; sulfate (SO₄^2-): ≤0.003%
• 痕量阳离子: Ca: ≤0.005%; Fe: ≤3 ppm; Mg: ≤0.002%; Na: ≤0.005%; heavy metals: ≤5 ppm
• 运输: ambient
• 储存温度: room temp
• SMILES字符串: [K+].[N+](=O)([O-])[O-]
• InChI: 1S/K.NO3/c;2-1(3)4/q+1;-1
• InChI key: FGIUAXJPYTZDNR-UHFFFAOYSA-N

说明

应用

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

分析说明

Assay99.0% minCalcium (Ca)0.005% maxChloride (Cl)0.002% maxColorWhiteFormCrystalsHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.005% maxIodate (IO3)5ppm maxIron (Fe)3ppm maxMagnesium (Mg)0.002% maxNitrite (NO2)0.001% maxPhosphate (PO4)5ppm maxSodium (Na)0.005% maxSulfate (SO4)0.003% maxpH of a 5% solution at 25°C4.5-8.5

安全信息

• 象形图: GHS03
• 警示用语：: Warning
• 危险声明: H272
• 预防措施声明: P210 - P220 - P280 - P370 + P378 - P501
• 危险分类: Ox. Sol. 3
• 储存分类代码: 5.1B - Oxidizing hazardous materials
• WGK: WGK 1
• 闪点(°F): Not applicable
• 闪点(°C): Not applicable