• 碘化钠 [7681-82-5]

  • 英文名:Sodium iodide
  • 别名:无水碘化钠
  • CAS号:7681-82-5 分子式:INA 分子量:149.89
PG98961-100g 碘化钠 [7681-82-5] 99.99% 100g 825.00 促销价:561.00
PG98960-25g 碘化钠 [7681-82-5] 99.99% 25g 291.00 促销价:197.88
PG98968-500g 碘化钠 [7681-82-5] AR,99% 500g 766.00 促销价:497.90
PG98969-2.5kg 碘化钠 [7681-82-5] AR,99% 2.5kg 3166.00 促销价:1962.92
PG98969-100g 碘化钠 [7681-82-5] AR99% 100g 175.00 促销价:119.00
PG98963-500g 碘化钠 [7681-82-5] GR,99.5% 500g 765.00 促销价:520.20
PG98964-100g 碘化钠 [7681-82-5] GR,99.5% 100g 195.00 促销价:132.60
PG98967-25g 碘化钠 [7681-82-5] GR,99.5% 25g 58.00 促销价:39.44
PG98968-2.5kg 碘化钠 [7681-82-5] GR,99.5% 2.5kg 3208.00 促销价:1988.96
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
PG98961-100g 碘化钠 [7681-82-5] 99.99% 100g 825.00 561.00 特价产品 登录可见
PG98961-100g 碘化钠 [7681-82-5] 99.99% 100g 825.00 促销价:561.00
PG98960-25g 碘化钠 [7681-82-5] 99.99% 25g 291.00 197.88 特价产品 登录可见
PG98960-25g 碘化钠 [7681-82-5] 99.99% 25g 291.00 促销价:197.88
PG98968-500g 碘化钠 [7681-82-5] AR,99% 500g 766.00 497.90 特价产品 登录可见
PG98968-500g 碘化钠 [7681-82-5] AR,99% 500g 766.00 促销价:497.90
PG98969-2.5kg 碘化钠 [7681-82-5] AR,99% 2.5kg 3166.00 1962.92 特价产品 登录可见
PG98969-2.5kg 碘化钠 [7681-82-5] AR,99% 2.5kg 3166.00 促销价:1962.92
PG98969-100g 碘化钠 [7681-82-5] AR99% 100g 175.00 119.00 特价产品 登录可见
PG98969-100g 碘化钠 [7681-82-5] AR99% 100g 175.00 促销价:119.00
PG98963-500g 碘化钠 [7681-82-5] GR,99.5% 500g 765.00 520.20 特价产品 登录可见
PG98963-500g 碘化钠 [7681-82-5] GR,99.5% 500g 765.00 促销价:520.20
PG98964-100g 碘化钠 [7681-82-5] GR,99.5% 100g 195.00 132.60 特价产品 登录可见
PG98964-100g 碘化钠 [7681-82-5] GR,99.5% 100g 195.00 促销价:132.60
PG98967-25g 碘化钠 [7681-82-5] GR,99.5% 25g 58.00 39.44 特价产品 登录可见
PG98967-25g 碘化钠 [7681-82-5] GR,99.5% 25g 58.00 促销价:39.44
PG98968-2.5kg 碘化钠 [7681-82-5] GR,99.5% 2.5kg 3208.00 1988.96 特价产品 登录可见
PG98968-2.5kg 碘化钠 [7681-82-5] GR,99.5% 2.5kg 3208.00 促销价:1988.96
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量

化学性质

无色立方晶体或白色结晶性粉末。无臭、味咸苦。 易溶于水,溶于甲醇、乙醇、丙酮、甘油、液氨和液体二氧化硫。水溶液呈微碱性。 熔点 661 °C(lit.) 沸点 1300 °C 密度 3.66 折射率 1.7745 闪点 1300-1304°C

质量标准

  

Q/(HG)SJ 032-91

99.999% metals basis:


外观Appearance                                         white Powder/Crystals
X-射线衍射分析X-Ray Diffraction           Conforms to Structure
纯度Purity                                                  ≥99.999% Based on Trace Metals Impurities of ICP
ICP Assay                                                   Confirms Na component
碘I(titrationwith silver nitrate)                 83.5%-86.5%
痕量金属分析total metallic impurities   ≤20ppm by ICP Atomic emission


项目Item                                            分析纯     化学纯
                                                             (AR)       (CP)
含量(NaI)Assay,%                       ≥99.5       99.0
水不溶物Insiluble matter in water,%    ≤0.005      0.005
氯化物(Cl)Chloride,%                   ≤0.03       0.1
碘酸盐(IO3)Iodate,%                    ≤0.005       0.01
硫酸盐(SO4)Sulfate ,%                  ≤0.005       0.01
总氮量(N)Total nitrogen,%            ≤0.001       0.005
镁(Mg)Magnesium,%                     ≤0.005       0.001
钙(Ca)Calcium,%                         ≤0.001       0.005
铁(Fe)Iron,%                                ≤0.0002      0.0005
钡(Ba)Barium,%                            ≤0.00005     0.0001
重金属(以Pb计)Heavy metals,%           ≤0.0005      0.001


ACS级
项目名称                                           ACS Grade
含量Assay                                           ≥99.5%
"pH(5%,25.0℃)"pH of a 5% solution at 25.0℃         6.0-9.0
水不溶物Insoluble matter                            ≤0.01%
氯化物和溴化物(以Cl计)Chloride and bromide          ≤0.01%
碘酸盐(IO3)Iodidi                                   ≤0.0003%
磷酸盐(PO4)Phosphate                                ≤0.001%
硫酸盐(SO4)Sulfate                                  ≤0.005%
钡(Ba)Barium                                        ≤0.002%
重金属(以Pb计)Heavy metals                          ≤5ppm
铁(Fe)Iron                                          ≤5ppm
钙(Ca)Calcium                                       ≤0.002%
镁(Mg)Magnesium                                     ≤0.001%
钾(K)Potassium                                      ≤0.01%


品级Grade                                       药典级  
                                           (Ph. Eur., BP, USP)
含量assay                                      99-100.5% (calc. to the dried substance)
碱反应杂质alkalic reac. Impurities,            complies
硫代硫酸钡barium and thiosulfate,              complies
有机挥发物organic volatile impurities(GC),     complies  
残留溶剂residual solvents,                     in accordance
重金属heavy metals (as Pb)                     ≤0.0005%  
总氮total nitrogen (N)                         ≤0.003%  
硫代物thiosulfate (S2O3)                       ≤0.005%  
游离碱free alkali (as NaOH)                    ≤0.02%  
水分water (Karl Fischer)                       ≤2%
干燥损失loss on drying, 105 °C                ≤2%
溴、氯bromide, chloride (as Cl-):              ≤300 ppm
碘酸钾iodate (IO3-):                           ≤2 ppm
硫酸根sulfate (SO42-):                         ≤100 ppm
Fe:                                            ≤5 ppm
K:                                             ≤500 ppm
溶解性suitability for appearance of solution   complies


99.99% metals basis:


外观Appearance                          white Powder/Crystals
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
ICP Assay                               Confirms Na component
碘I(titrationwith silver nitrate)       83.0%-86.4%
痕量金属分析total metallic impurities   ≤100ppm by ICP Atomic emission

  

危险性质

危险品标志  Xi
WGK Germany  1
RTECS号 WB6475000
F  8
危险类别码  36/38-36/37/38
安全说明  26

  

用途及存储

用途  用作制备各类碘化合物的原料,也用于医药、照相等
用途  用作分析试剂和碘的助溶剂,也用于制药工业
用途  用作分析试剂和制备单晶的原料 

  密封干燥保存。