potassium iodate

• ChemBase编号: 111047
• 分子式: IKO3
• 平均质量: 214.00097
• 单一同位素质量: 213.85292354
• SMILES: [K+].[O-][I](=O)=O
• Canonical SMILES: [O-][I](=O)=O.[K+]
• InChI: InChI=1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
• InChIKey: JLKDVMWYMMLWTI-UHFFFAOYSA-M

名称和登记号

名称

• IUPAC标准名: potassium iodate
• IUPAC传统名: potassium iodate; potassium ion iodate
• 别名: 碘酸钾; 碘酸钾标准品 溶液; 碘酸钾 溶液; 碘酸钾, 可稀释标准标定液, 最终浓度 0.1N; 碘酸钾, 0.1N标准溶液; 碘酸钾, ACS; Iodic acid; potassium salt; Potassium iodate; Potassium iodate standard solution; Potassium iodate solution; Potassium iodate, Acculute Standard Volumetric Solution, Final Concentration 0.1N; Potassium iodate, 0.1N Standardized Solution; POTASSIUM IODATE; Potassium iodate solution; Potassium iodate concentrate; Potassium iodate, ACS

登记号

• CAS号: 7758-05-6
• EC号: 231-791-2; 231-831-9
• MDL号: MFCD00011406
• 默克索引号: 147642
• PubChem SID: 24881865; 24860727; 24863793; 24881862; 162097040; 24898474; 24852484; 24852922; 24867454; 24858299; 24860728; 24859163
• PubChem CID: 24448; 23665710
• Chemspider ID: 22856
• 美国药典/FDA物质标识码: I139E44NHL
• 维基百科标题: Potassium_iodate

理论计算性质

• Acid pKa: -32.990604
• 质子受体: 3
• 质子供体: 0
• LogD (pH = 5.5): -2.1981263
• LogD (pH = 7.4): -2.1981263
• Log P: 0.17827241
• 摩尔折射率: 17.6695 cm^3
• 极化性: 8.199112 Å^3
• 极化表面积: 57.2 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: 4.74 g/100 mL (0 °C) ; 9.16 g/100 mL (25 °C) ; 32.3 g/100 mL (100 °C) in water; H2O: soluble0.1 M at 20 °C, clear, colorless; H2O: soluble0.1 M at 25 °C, clear, colorless; Slightly soluble in boiling water. Insoluble in alcohol; soluble in KI solution ; insoluble in alcohol, liquid ammonia, nitric acid
• 外观: Liquid; Powder; powder and chunks; white crystalline powder
• 熔点: 560 °C decomp.; 560 °C(lit.); 560°C dec.
• 闪点: Non-flammable
• 密度: 1.005 g/mL at 25 °C; 3.89; 3.89 g/cm^3; 3.93 g/mL at 25 °C(lit.)
• 气味: odorless
• pH值: 5.0-8.0 (25 °C, 0.1 M in H2O); 5.0-8.0 (25 °C, 5%); 5.0-8.0 (25 °C, 50 mg/mL in H2O)

安全信息

• RTECS编号: NN1350000
• 欧盟危险性物质标志: 氧化性(Oxidising) (O); 刺激性(Irritant) (Xi)
• 联合国危险货物编号: 1479; UN1479; UN3139
• 德国WGK号: 2; 3
• 联合国危险货物等级: 5.1
• 联合国危险货物包装类别(PG): 2; II
• 危险公开号: 8-36/37/38; R9, R22, R36, R37, R38
• 安全公开号: 17-26-37; 26; S35
• TSCA收录: 是
• 欧盟危险品索引: Oxidant [O]
• GHS危险品标识: GHS03; GHS07
• GHS警示词: Danger
• NFPA704:
  

  0

  2

  1
• GHS危险声明: H272-H315-H319-H335
• GHS警示性声明: P220-P261-P305 + P351 + P338; P221-P210-P305+P351+P338-P302+P352-P405-P501A
• 个人保护装置: dust mask type N95 (US), Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 1479 5.1/PG 2

产品相关信息

• 纯度: ≥98%; ≥98.0% (RT); ≥99.0%; ≥99.5%; ≥99.5% (RT); ≥99.7%; 98%; 99.4-100.4%; 99.4-100.4% (ACS specification); 99.5%; 99.7-100.4%; 99.995% trace metals basis
• 浓度: 0.05 M KIO3 (0.3N); 0.0950-0.1050 N (Exact value stated on label); 1/10 N; 1/60 M; 1/60 M KIO3 (0.1N)
• 级别: ACS reagent; JIS special grade; puriss. p.a.; purum; reagent grade; SAJ first grade
• 包装: pkg of 1/60 mol (3.567 g KIO3)
• 杂质: <0.005% Insoluble matter; <0.01% Phosphorus (P); ≤0.002% total nitrogen (N); ≤0.005% insolubles; ≤0.005% N compounds; insoluble matter, passes filter test
• 痕量阳离子: Ag: ≤5 mg/kg; Al: <0.0005%; Al: ≤5 mg/kg; Ba: ≤20 mg/kg; Ba: ≤50 mg/kg; Bi: ≤5 mg/kg; Ca: <0.01%; Ca: ≤10 mg/kg; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: <0.0005%; Cu: ≤5 mg/kg; Fe: <0.0005%; Fe: ≤0.001%; Fe: ≤10 mg/kg; Fe: ≤5 mg/kg; heavy metals (as Pb): ≤5 ppm; Li: ≤5 mg/kg; Mg: <0.005%; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: <0.5%; Na: ≤0.005%; Na: ≤50 mg/kg; NH4+: <0.05%; Ni: ≤5 mg/kg; Pb: <0.001%; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Tl: ≤5 mg/kg; Zn: <0.0005%; Zn: ≤5 mg/kg
• 痕量阴离子: bromide, bromate, chloride, chlorate (as Cl-): ≤100 mg/kg; bromide, bromate, chloride, chlorate (as Cl-): ≤200 mg/kg; chloride, bromide (as Cl)-: ≤0.01%; chloride, bromide (as Cl)-: ≤200 mg/kg; iodide (I-): ≤0.001%; iodide (I-): ≤10 mg/kg; iodide (I-): ≤20 mg/kg; sulfate (SO42-): <0.005%; sulfate (SO42-): ≤0.005%; sulfate (SO42-): ≤50 mg/kg
• 有效期: (limited shelf life, expiry date on the label)
• 干燥失重: ≤0.05% loss on drying, 110 °C; ≤0.05% loss on drying, 130 °C
• 品质说明: certified by BAM, according to ISO 17025; volumetric
• Factor: 1.000 ±0.002
• 产品线: BioUltra; BioXtra
• abs.: absorption0.1M/276 nm, H2O cut-off
• 线性分子式: KIO3

详细说明

Sigma Aldrich - 438464

包装
5, 25 g in poly bottle
Application
氧化剂，近来用于由 o-羟基-ω-肉桂基亚苯乙酮通过氧化环化反应制备 2-苯乙烯基色酮。1

Sigma Aldrich - 34274

General description
请访问 滴定中心 了解更多信息。

Sigma Aldrich - 319392

General description
请访问 滴定中心 了解更多信息。
包装
2 L in poly bottle
500 mL in poly bottle

Sigma Aldrich - 60388

Other Notes
碘量法的基准物质；

Sigma Aldrich - P3959

包装
100 g in poly bottle

Sigma Aldrich - 60386

Analysis Note
精确浓度、有效期以及认证的详细信息请见每个包装内的证书和认证报告。含量和有效期见标签。

Sigma Aldrich - 207977

包装
100, 500 g in poly bottle

Sigma Aldrich - 215929

包装
100, 500 g in poly bottle
12 kg in poly drum
2.5, 4×2.5 kg in poly bottle
5 g in glass bottle
5g 玻璃瓶包装；12kg 开口塑料桶包装；100g、500g、2.5kg 塑料瓶包装

Sigma Aldrich - 24-4805

Suitability
standard

Sigma Aldrich - 60390

Other Notes
通过熔融作用进行分解的氧化剂1,2

Sigma Aldrich - 38120

General description
concentration after dilution to 1L: 1/60mol/L (0.1N); amount of substance 1/60mol (3.567 g KIO3)
请访问 滴定中心 了解更多信息。

Sigma Aldrich - 34273

General description
请访问 滴定中心 了解更多信息。