potassium hydroxide

• ChemBase编号: 103899
• 分子式: KO
• 平均质量: 55.0977
• 单一同位素质量: 54.9586213
• SMILES: [OH-].[K+]
• Canonical SMILES: [OH-].[K+]
• InChI: InChI=1S/K.H2O/h;1H2/q+1;/p-1
• InChIKey: KWYUFKZDYYNOTN-UHFFFAOYSA-M

名称和登记号

名称

• IUPAC标准名: potassium hydroxide; potassium oxidanide
• IUPAC传统名: potassium oxidanide; potassium hydroxide; potassium ion OH-
• 别名: 氢氧化钾, 可稀释标准标定液, 最终浓度 0.1N; 氢氧化钾, 可稀释标准标定液, 最终浓度 1.0N; 氢氧化钾, 可稀释标准标定液, 最终浓度 0.5N; 氢氧化钾, 0.1N标准溶液; 氢氧化钾, ACS; 氢氧化钾, 1.0N标准溶液; 氢氧化钾, 0.5N标准溶液; 氢氧化钾, pellets; 氢氧化钾,片状; 氢氧化钾 溶液; 氢氧化钾 水合物; 氢氧化钾; 苛性钾; 氢氧化钾; 氢氧化钾, 0.1N甲醇标准溶液; 氢氧化钾, 0.5N甲醇标准溶液; 氢氧化钾, 1.0N甲醇标准溶液; Potassium hydroxide solution; Potassium hydroxide concentrate; KOH on alumina; Potassium hydroxide on alumina; Potash lye; Potassia; Potassium hydroxide, Acculute Standard Volumetric Solution, Final Concentration 0.1N; Potassium hydroxide, Acculute Standard Volumetric Solution, Final Concentration 1.0N; Potassium hydroxide, Acculute Standard Volumetric Solution, Final Concentration 0.5N; Potassium hydroxide, 0.1N Standardized Solution; Potassium hydroxide, ACS; Potassium hydroxide, 1.0N Standardized Solution; Potassium hydroxide, 0.5N Standardized Solution; Potassium hydroxide, pellets; Potassium hydroxide, flake; Potassium hydroxide solution; Potassium hydroxide hydrate; Kalii hydroxidum; Potassium hydroxide; POTASSIUM HYDROXIDE, U.S.P./N.F.; Caustic Potash; Hydroxyde de Potassium; Lye; Potassium Hydrate; POTASSIUM HYDROXIDE; Potassium hydroxide, 0.1N Standardized Solution in methanol; Potassium hydroxide, 0.5N Standardized Solution in methanol; Potassium hydroxide, 1.0N Standardized Solution in methanol

登记号

• CAS号: 1310-58-3
• EC号: 215-181-3
• MDL号: MFCD00003553
• 默克索引号: 147640
• PubChem SID: 24845893; 24853244; 24858479; 162091518; 24859157; 24863763; 24874825; 24844925; 24866171; 24898544; 24871930; 24861749; 24858472; 24881857; 24861750; 24845799; 24898721; 24861748; 24861751; 24881859; 24845507; 24859160; 24898243; 24859161; 24859162; 24858345; 24865054; 24859158; 24861752; 24861727; 24863765; 24844923; 24863828; 24859159; 24844924; 24861753
• PubChem CID: 14797
• CHEBI ID: 32035
• Chemspider ID: 14113
• 美国药典/FDA物质标识码: WZH3C48M4T
• 维基百科标题: Potassium_hydroxide

理论计算性质

• Acid pKa: 15.7
• 质子受体: 1
• 质子供体: 1
• LogD (pH = 5.5): -0.652
• LogD (pH = 7.4): -0.652
• Log P: -0.652
• 摩尔折射率: 13.9149 cm^3
• 极化性: 1.1434737 Å^3
• 极化表面积: 0.0 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: 97 g/100 mL (0 °C) ; 121 g/100 mL (25 °C) ; 178 g/100 mL (100 °C) in water; H2O: soluble1 M at 20 °C, clear, colorless; H2O: soluble1 M, clear, colorless; soluble in alcohol, glycerol ; insoluble in ether, liquid ammonia; Soluble in water, alcohol, and glycerol. Slightly soluble in ether
• 外观: flakes; Liquid; pellets; Pellets; powder; white pellets; white solid, deliquescent
• 熔点: ~ 360 °C (680 °F); >300 °C; 360°C; 361 °C(lit.); 406°C
• 沸点: ~ 1320 °C (2408 °F) at 760 mmHg; 1320-1324°C; 1327°C
• 闪点: 11 °C; 12 °C; 14 °C; 51.8 °F; 53.6 °F; 57.2 °F; Non-flammable
• 密度: ~1.023 g/mL at 20 °C; 0.81 g/mL at 25 °C; 0.83 g/mL at 25 °C; 0.86 g/mL at 25 °C; 1.000 g/mL at 25 °C; 1.025 g/mL at 25 °C; 1.046 g/mL at 25 °C; 1.087; 1.28; 1.29 g/mL at 20 °C; 1.450 g/mL at 20 °C; 1.456 g/mL at 25 °C; 1.50; 2.044; 2.044 g/cm^3; 2.1 g/cm^3 at 20 °C
• 折射率: 1.409; n20/D 1.421
• 蒸汽压: 1 mmHg ( 719 °C); 2.6664 - 3.9997 hPa at 15.6 °C
• 紫外吸收波长: λ: 240 nm Amax: ≤0.1; λ: 240 nm Amax: 0.1; λ: 260 nm Amax: ≤0.020; λ: 260 nm Amax: 0.020; λ: 280 nm Amax: ≤0.010; λ: 280 nm Amax: 0.010; λ: 290 nm Amax: ≤0.05; λ: 290 nm Amax: 0.05; λ: 300 nm Amax: ≤0.03; λ: 300 nm Amax: 0.03; λ: 310 nm Amax: ≤0.02; λ: 310 nm Amax: 0.02; λ: 500 nm Amax: ≤0.02; λ: 500 nm Amax: 0.02
• pKa: 13.5 (0.1 M)
• 气味: odorless
• 标准摩尔生成焓 (ΔfH^o298): -425 kJ·mol^-1
• 标准摩尔熵 (S^o298): 79 J·mol^-1·K^-1

安全信息

• 保存条件: Room Temperature (15-30°C), Desiccate
• 保存注意事项: Air Sensitive & Hygroscopic
• RTECS编号: TT2100000
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C); Corrosive (C); 易燃性(Flammable) (F); Harmful (Xn); 有毒(Toxic) (T); X; 刺激性(Irritant) (Xi); 有害性(Harmful) (Xn)
• 联合国危险货物编号: 1170; 1219; 1230; 1813; 1814; 1993; 2924; UN1813; UN1814; UN1992; UN3286
• 德国WGK号: 1; nwg
• 联合国危险货物等级: 3; 8
• 联合国危险货物包装类别(PG): 2; 3; II; III
• 澳大利亚Hazchem: 2X
• 危险公开号: 11-23/24/25-34-39/23/24/25; 11-23/24/25-35-39/23/24/25; 11-23/24/25-36/38-39/23/24/25; 11-34-52/53; 11-35-52/53; 11-36/38-52/53; 11-36/38-67; 22-35; 34; 35; 36/38; R:22-35; R22, R35
• 安全公开号: 16-26; 16-26-36/37/39-45; 16-26-36/37/39-45-61; 16-26-36/37-45; 16-26-61; 26; 26-36/37/39-45; 26-36/37/39-45-60; 26-37-60; 7-16-26-36/37/39-45; S:26-45-36/37/39; S1/2, S26, S36/37/39, S45
• 欧盟危险货物分类: C10
• 欧盟危险识别号(EUHIN): 8B
• 美国ERG指导号: 154
• TSCA收录: 是
• 欧盟危险品索引: 019-002-00-8
• GHS危险品标识: GHS02; GHS05; GHS06; GHS07; GHS08
• GHS警示词: Danger; Warning
• NFPA704:
  

  0

  3

  1
• 半数致死量: 273 mg/kg (rat, oral)
• GHS危险声明: H225-H301-H311-H314-H331-H370; H225-H301-H311-H315-H319-H331-H370; H225-H311-H331-H315-H319-H370; H225-H311-H331-H370-H314; H225-H311-H331-H370-H314-H303; H225-H314-H412; H225-H315-H319-H336; H225-H315-H319-H412; H302-H314; H314; H314-H302; H314-H303; H315-H319
• GHS警示性声明: P210-P260-P280-P301 + P310-P305 + P351 + P338-P310; P210-P260-P280-P301 + P310-P305 + P351 + P338-P311; P210-P261-P305 + P351 + P338; P210-P273-P280-P305 + P351 + P338-P310; P210-P273-P305 + P351 + P338; P210-P303+P361+P353-P305+P351+P338-P361-P405-P501A; P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P280-P305 + P351 + P338-P310; P280-P305+P351+P338-P302+P352-P321-P362-P332+P313; P305 + P351 + P338
• 个人保护装置: Eyeshields, Faceshields, 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, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1170 3/PG 2; UN 1219 3/PG 2; UN 1230 3/PG 2; UN 1813 8/PG 2; UN 1814 8/PG 2; UN 1814 8/PG 3; UN 1993 3/PG 2; UN 2924 3/PG 2

产品相关信息

• 纯度: ~45%; ~45% (T); ≥30% (in water); ≥85%; ≥85% (T); ≥85% KOH basis; ≥85.0%; ≥86% (T); 10% w/v aq. soln.; 28.5%; 28.5%±0.5% (T); 30% w/v aq. soln.; 50% w/v aq. soln.; 85%; 85% min, K2CO3 2.0% max; 85-100.5%; 85-105% (T); 90%; 99.98% (metals basis), 85% min; 99.99% trace metals basis (Purity excludes sodium content.)
• 浓度: 0.02 M in ethanol; 0.0950-0.1050 N (Exact value stated on label); 0.1 M; 0.1 M in ethanol; 0.1 M in isopropanol; 0.1 M KOH (0.1N); 0.1 M KOH in ethanol (0.1N); 0.1 M KOH in H2O (0.1N); 0.1 M KOH in isopropanol (0.1N); 0.1 M KOH in methanol (0.1N); 0.4900-0.5100 N (Exact value stated on label); 0.5 M; 0.5 M in ethanol; 0.5 M KOH (0.5N); 0.5 M KOH in ethanol (0.5N); 0.5 M KOH in methanol (0.5N); 0.950-1.050 N (Exact value stated on label); 1 M; 1 M KOH (1N); 1 M KOH in ethanol (1N); 1 N; 1.0 M KOH (1.0 N); 1.0 M KOH (1.0N); 1.0 M KOH in methanol (1.0N); 1/10 N; 1/2 N; 1/50 N; 45 wt. % in H2O; 5 M; 5 N; 8.0 M KOH (8.0N)
• 级别: ACS reagent; for HPLC; for luminescence; for trace analysis; JIS special grade; NF; Ph Eur; puriss.; puriss. p.a.; purum; purum p.a.; reagent grade; SAJ first grade; semiconductor grade; semiconductor grade PURANAL™ (Honeywell 17851); technical; TraceSELECT®; USP
• 主要成分: KOH, >85.0%
• 包装: pkg of 0.1 mol (5.611 g KOH); pkg of 1.0 mol (56.109 g KOH)
• 适用性: corresponds to standard for RP gradient test; in accordance for filter test; in accordance for luminescence; passes test for filter test
• 杂质: ≤0.0003% total nitrogen (N); ≤0.0005% heavy metals (as Pb); ≤0.0005% Phosphorus (P); ≤0.0005% total nitrogen (N); ≤0.001% heavy metals (as Pb); ≤0.001% N compounds; ≤0.002% heavy metals (as Pb); ≤0.002% Na; ≤0.1% Insoluble matter; ≤0.3% carbonate; ≤0.3% potassium carbonate (K2CO3); ≤0.6% potassium carbonate (K2CO3); ≤0.8% potassium carbonate (K2CO3); ≤1% K2CO3; ≤1.0% K2CO3; ≤2 mg/kg total nitrogen (N); ≤2.0% K2CO3; ≤5 mg/kg total nitrogen (N); 10-15% water; 15% water; ethanol denatured with toluene; insoluble matter, passes filter test; residual solvents, complies; toluene
• 痕量阳离子: Ag: ≤10 mg/kg; Ag: ≤5 mg/kg; Al: ≤0.0005%; Al: ≤0.05 mg/kg; Al: ≤10 mg/kg; Al: ≤2 mg/kg; Al: ≤20 μg/kg; Al: ≤5 mg/kg; Al: ≤50 mg/kg; As: ≤0.05 mg/kg; As: ≤0.1 mg/kg; As: ≤10 μg/kg; As: ≤3 mg/kg; Ba: ≤1 mg/kg; Ba: ≤5 mg/kg; Ba: ≤50 μg/kg; Bi: ≤5 mg/kg; Ca: ≤0.0005%; Ca: ≤0.005%; Ca: ≤0.5 mg/kg; Ca: ≤10 mg/kg; Ca: ≤100 μg/kg; Ca: ≤20 mg/kg; Ca: ≤5 mg/kg; Ca: ≤50 mg/kg; Cd: ≤0.01 mg/kg; Cd: ≤0.1 mg/kg; Cd: ≤5 mg/kg; Cd: ≤5 μg/kg; Cd: ≤50 mg/kg; Ce: ≤0.01 mg/kg; Co: ≤0.01 mg/kg; Co: ≤10 μg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cr: ≤0.01 mg/kg; Cr: ≤10 μg/kg; Cr: ≤5 mg/kg; Cu: ≤0.0005%; Cu: ≤0.01 mg/kg; Cu: ≤1 mg/kg; Cu: ≤20 μg/kg; Cu: ≤5 mg/kg; Cu: ≤50 mg/kg; Eu: ≤0.01 mg/kg; Fe: ≤0.0005%; Fe: ≤0.001%; Fe: ≤0.05 mg/kg; Fe: ≤10 mg/kg; Fe: ≤20 mg/kg; Fe: ≤200 μg/kg; Fe: ≤5 mg/kg; heavy metals (as Pb): ≤0.001%; Hg: ≤0.001 mg/kg; Hg: ≤0.1 mg/kg; Hg: ≤5 μg/kg; La: ≤0.01 mg/kg; Li: ≤0.5 mg/kg; Li: ≤100 μg/kg; Li: ≤5 mg/kg; Mg: ≤0.0005%; Mg: ≤0.002%; Mg: ≤0.1 mg/kg; Mg: ≤5 mg/kg; Mg: ≤50 μg/kg; Mn: ≤0.05 mg/kg; Mn: ≤0.5 mg/kg; Mn: ≤20 μg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤0.05%; Na: ≤1%; Na: ≤20 mg/kg; Na: ≤5 mg/kg; Na: ≤5000 mg/kg; Na: ≤5000 μg/kg; NH4+: ≤0.05%; Ni: ≤0.001%; Ni: ≤0.01 mg/kg; Ni: ≤1 mg/kg; Ni: ≤10 mg/kg; Ni: ≤5 mg/kg; Ni: ≤50 μg/kg; Pb: ≤0.001%; Pb: ≤0.01 mg/kg; Pb: ≤1 mg/kg; Pb: ≤10 mg/kg; Pb: ≤10 μg/kg; Pb: ≤5 mg/kg; Sb: ≤0.01 mg/kg; Sb: ≤50 μg/kg; Sc: ≤0.01 mg/kg; Se: ≤0.01 mg/kg; Se: ≤10 μg/kg; Sm: ≤0.01 mg/kg; Sr: ≤0.5 mg/kg; Sr: ≤5 mg/kg; Sr: ≤50 μg/kg; Tl: ≤0.01 mg/kg; Y: ≤0.01 mg/kg; Yb: ≤0.01 mg/kg; Zn: ≤0.0005%; Zn: ≤0.05 mg/kg; Zn: ≤1 mg/kg; Zn: ≤20 μg/kg; Zn: ≤5 mg/kg; Zn: ≤50 mg/kg
• 痕量阴离子: bromide (Br-): ≤100 μg/kg; carbonate (K2CO3): ≤1000 mg/kg; chloride (Cl-): ≤0.01%; chloride (Cl-): ≤1 mg/kg; chloride (Cl-): ≤10 mg/kg; chloride (Cl-): ≤1000 mg/kg; chloride (Cl-): ≤5 mg/kg; chloride (Cl-): ≤500 μg/kg; fluoride (F-): ≤100 μg/kg; nitrate (NO3-): ≤500 μg/kg; nitrite (NO2-): ≤100 μg/kg; phosphate (PO43-): ≤0.05 mg/kg; phosphate (PO43-): ≤10 mg/kg; phosphate (PO43-): ≤5 mg/kg; phosphate (PO43-): ≤5 ppm; phosphate (PO43-): ≤50 μg/kg; silicate (as SiO2): ≤10 mg/kg; silicate (as SiO2): ≤100 mg/kg; silicate (as SiO2): ≤20 mg/kg; silicate (as SiO2): ≤5 mg/kg; silicate (as SiO2): ≤50 mg/kg; sulfate (SO42-): ≤0.003%; sulfate (SO42-): ≤10 mg/kg; sulfate (SO42-): ≤1000 μg/kg; sulfate (SO42-): ≤20 mg/kg; sulfate (SO42-): ≤30 mg/kg; sulfate (SO42-): ≤5 mg/kg; sulfate (SO42-): ≤50 mg/kg
• 有效期: (limited shelf life, expiry date on the label)
• 产品质量级别: PREMIUM
• 品质说明: meets analytical specification of Ph. Eur., BP, NF; purified; volumetric
• Factor: 1.000 ±0.001
• λ: 1 M in H2O; in concentrate
• 药典: testing & handling conforms to Pharmacopeia
• 产品线: BioUltra; BioXtra
• 线性分子式: KOH; KOH · aq
• Empirical Formula (Hill Notation): HKO

详细说明

Sigma Aldrich - 720143

包装
25, 100 g in glass bottle

Sigma Aldrich - 40216

法律信息
PURANAL 商标 Honeywell Specialty Chemicals Seelze GmbH

Sigma Aldrich - 35116

General description
This material is tested against reference material of NIST/BAM/EMPA.
请访问 滴定中心 了解更多信息。
包装
产品编号中的后缀 -VP 或 -VOLPAC 说明包装在 5L 或 10L VOLPAC 容器中。

Sigma Aldrich - 61699

General description
该经过认证的离子色谱洗脱浓缩液可通过电势滴定检验溯源到 NIST 国家标准参考物质。符合 ISO 指南 31。精确含量、不确定度、可溯源性和有效期在证书上都有详细描述。 下载地址：http://www.sigma-aldrich.com。
Preparation Note
由氢氧化钾和高纯水（18.2MΩ，经 0.2μm 膜过滤）配制而成

Sigma Aldrich - 60369

Other Notes
用于容量分析。制备标准 KOH1

Sigma Aldrich - 319333

General description
请访问 滴定中心 了解更多信息。
包装
2 L in poly bottle
500, 6×500 mL in poly bottle

Sigma Aldrich - 319341

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 - 38073

General description
concentration after dilution to 1L: 1.0mol/L (1.0N); amount of substance 1.0mol (56.109 g KOH)
请访问 滴定中心 了解更多信息。

Sigma Aldrich - 00648

Application
用于烟气分析

Sigma Aldrich - 38070

General description
concentration after dilution to 1L: 0.1mol/L (0.1N); amount of substance 0.1mol (5.611 g KOH)
请访问 滴定中心 了解更多信息。

Sigma Aldrich - 00650

Application
根据克尼平的理论，用于吸附二氧化碳

Sigma Aldrich - 221473

包装
1, 2.5, 4×2.5 kg in poly bottle
12kg 开口纤维桶包装；25g、500g、1kg、2.5kg、6×500g 塑料瓶包装
12 kg in fiber drum
25, 500, 6×500 g in poly bottle

Sigma Aldrich - 60370

Other Notes
通过熔融作用分解硅酸盐的试剂1,2

Sigma Aldrich - 30603

包装
本品也提供玻璃瓶包装。

Sigma Aldrich - 319376

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 - P4494

包装
50 mL in poly bottle

Sigma Aldrich - 35127

Caution
可储存时间有限。略有变色不会对其实用性造成影响。
General description
This material is tested against reference material of NIST/BAM/EMPA
请访问 滴定中心 了解更多信息。

Sigma Aldrich - 35115

Caution
可储存时间有限。略有变色不会对其实用性造成影响。
General description
This material is tested against reference material of NIST/BAM/EMPA
请访问 滴定中心 了解更多信息。

Sigma Aldrich - 417661

包装
1, 2 L in poly bottle
18 L in poly drum
500 mL in poly bottle

Sigma Aldrich - 35113

Caution
储存条件有限。略有变色不会对其实用性造成影响。
General description
This material is tested against reference material of NIST/BAM/EMPA
请访问 滴定中心 了解更多信息。

Sigma Aldrich - 30955

法律信息
TraceSELECT 注册商标 Sigma-Aldrich Co. LLC

Sigma Aldrich - 00649

Application
用于按照 Orsat 方法（与邻苯三酚相结合）吸附二氧化碳

Sigma Aldrich - 319368

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 - 306568

包装
100, 500 g in poly bottle
Application
与碲粉一起用于调控芳香族羰基化合物的定量片呐醇化。1

Sigma Aldrich - 35112

Caution
储存条件有限。略有变色不会对其实用性造成影响。
General description
This material is tested against reference material of NIST/BAM/EMPA
请访问 滴定中心 了解更多信息。

Sigma Aldrich - P1767

包装
1 kg in poly bottle
2 kg in poly drum
250, 500 g in poly bottle

Sigma Aldrich - 319325

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 - 484016

包装
1 kg in poly bottle
10 kg in fiber drum
Application
与碲粉结合，调节芳羰基化合物的定量片呐醇化。1

Sigma Aldrich - 35125

Caution
储存条件有限
General description
This material is tested against reference material of NIST/BAM/EMPA
请访问 滴定中心 了解更多信息。

Sigma Aldrich - 319384

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 - 60371

法律信息
TraceSELECT 注册商标 Sigma-Aldrich Co. LLC

Sigma Aldrich - 35008

Application
按照 DIN 51558-1、ANSI/ASTM D 974-64 和 IP 139/65，通过矿物油颜色指示剂滴定测定中和值（水溶酸值）
General description
请访问 滴定中心 了解更多信息。