Potassium

Alfa Aesar™ Potassium cubes, 99.5% (metals basis)

Chemical Name or Material: Potassium cubes CAS: 7440-09-7 MDL Number: MFCD00133776 UN Number: UN2257

Potassium hydrogen carbonate, 99.7+%, for analysis, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium hydrogen carbonate CAS: 298-14-6 Purity Grade: For analysis Assay: 99.7 to 100.3% Assay Percent Range: 99.7+% Molecular Formula: CHKO3 Linear Formula: KHCO3 Formula Weight: 100.12 MDL Number: MFCD00011402 Synonym: Potassium bicarbonate

Potash, sulfurated, S 11.8% min as sulfide, Alfa Aesar™

Chemical Name or Material: Potash Name Note: Mixture composed of potassium polysulfides and potassium thiosulfate CAS: 39365-88-3 Physical Form: Chunks Assay Percent Range: S 11.8% min as sulfide Molecular Formula: K2Sn MDL Number: MFCD00064604

Potassium iodate, 99.5%, for analysis, ACROS Organics™

Chemical Name or Material: Potassium iodate Name Note: p.a. CAS: 2139718 Purity Grade: For analysis Assay: ≥99.4% Assay Percent Range: 99.5% Molecular Formula: IKO3 Linear Formula: KIO3 Formula Weight: 214 MDL Number: MFCD00011406

Potassium phosphate, dibasic, 98+%, ACS reagent, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium phosphate, dibasic CAS: 7758-11-4 Purity Grade: ACS Reagent Grade Assay: ≥98.0% Assay Percent Range: 98+% Molecular Formula: HK2O4P Linear Formula: K2HPO4 Formula Weight: 174.18 MDL Number: MFCD00011383 Synonym: Dipotassium hydrogen phosphate

Potassium diphosphate, 98%, extra pure, ACROS Organics™

Chemical Name or Material: Potassium diphosphate Name Note: Extra Pure CAS: 7320-34-5 Purity Grade: Extra Pure Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: K4O7P2 Linear Formula: K4O7P2 Formula Weight: 330.34 MDL Number: MFCD00011393 Synonym: Potassium pyrophosphate

Potassium ferricyanide, 98%, pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium ferricyanide Name Note: 98% CAS: 13746-66-2 Purity Grade: Pure Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C6FeK3N6 Linear Formula: K3Fe(CN)6 Formula Weight: 329.26 MDL Number: MFCD00011392 Synonym: Potassium hexacyanoferrate (III)

Potassium Sulfate Products for Science Education

Chemical Name or Material: Potassium Sulfate CAS: 7778-80-5 Assay Percent Range: >95% Linear Formula: K2SO4 Formula Weight: 174.27 Synonym: Dipotassium Sulfate

Potassium phosphate, anhydrous, 97%, Alfa Aesar™

Chemical Name or Material: Potassium phosphate, anhydrous CAS: 7778-53-2 Physical Form: Granular Assay Percent Range: 97% Molecular Formula: K3PO4 Formula Weight: 212.27 MDL Number: MFCD00036295 Synonym: Potassium phosphate, tribasic

Potassium hexacyanocobaltate(III), 95%, ACROS Organics™

Chemical Name or Material: Potassium hexacyanocobaltate(III) Name Note: 95% CAS: 13963-58-1 Assay: ≥94% Assay Percent Range: 95% Molecular Formula: C6CoK3N6 Linear Formula: K3[Co(CN)6] Formula Weight: 332.34 MDL Number: MFCD00011391

Potassium tetrabromoaurate(III) dihydrate, 99.99% (metals basis), Au 33% min., Alfa Aesar™ Premion™

Chemical Name or Material: Potassium tetrabromoaurate(III) dihydrate Name Note: Au 33% min. CAS: 14323-32-1 Physical Form: Crystalline Assay Percent Range: 99.99% (metals basis) Molecular Formula: KAuBr4·2H2O Formula Weight: 591.72 (555.69 Anhydrous) MDL Number: MFCD00049650 Synonym: Gold potassium bromide

Potassium persulfate, 99+%, for analysis, ACROS Organics™

Chemical Name or Material: Potassium persulfate CAS: 7727-21-1 Purity Grade: For analysis Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: K2O8S2 Linear Formula: K2S2O8 Formula Weight: 270.3 MDL Number: MFCD00011386 Synonym: Potassium peroxydisulfate

Potassium sodium L-tartrate tetrahydrate, ACS, 99.0-102.0%, Alfa Aesar™

Chemical Name or Material: Potassium sodium L-tartrate tetrahydrate Name Note: Loses water of crystallization at 140° unstable above 225° CAS: 6381-59-5 Purity Grade: ACS Grade Physical Form: Crystalline Assay Percent Range: 99.0-102.0% Molecular Formula: C4H4KNaO6·4H2O Formula Weight: 282.23 (210.29 Anhydrous) MDL Number: MFCD00150989 Synonym: Rochelle Salt

Potassium Thiocyanate Products for Science Education

Chemical Name or Material: Potassium Thiocyanate CAS: 333-20-0 Assay Percent Range: >95% w/v Linear Formula: KSCN Formula Weight: 97.18 Synonym: Potassium Rhodanate

Potassium chromate, 99.5%, for analysis, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium chromate Name Note: p.a. CAS: 7789-00-6 Purity Grade: For analysis Assay: ≥99.5% Assay Percent Range: 99.5% Molecular Formula: CrK2O4 Linear Formula: K2CrO4 Formula Weight: 194.2 MDL Number: MFCD00011368

Potassium Nitrate (Granular/Laboratory), Fisher Chemical

Chemical Name or Material: Potassium Nitrate CAS: 7757-79-1 Purity Grade: Laboratory Grade Physical Form: Solid Molecular Formula: KNO3 Formula Weight: 101.1 MDL Number: MFCD00011409

Potassium Nitrate (Cryst./Certified ACS), Fisher Chemical

Chemical Name or Material: Potassium Nitrate CAS: 7757-79-1 Purity Grade: Certified ACS Grade Physical Form: Solid Assay: ≥99.0% Assay Percent Range: ≥99.0 % Molecular Formula: KNO3 Formula Weight: 101.1 MDL Number: MFCD00011409 Synonym: Niter

Potassium hexachlororuthenate(IV), 99.95% (Metal basis), Ru 25.3% min., Alfa Aesar™, Premion™

Chemical Name or Material: Potassium hexachlororuthenate(IV) CAS: 23013-82-3 Physical Form: Crystalline Powder Assay Percent Range: 99.95% (metals basis) Molecular Formula: K2RuCl6 Formula Weight: 391.99 MDL Number: MFCD00050159

Potassium nitrate, 99.997% (metals basis), Alfa Aesar™ Puratronic™

Chemical Name or Material: Potassium nitrate CAS: 7681-11-0 Physical Form: Powder Assay Percent Range: 99.998% (metals basis) Molecular Formula: KI Formula Weight: 166.01 MDL Number: MFCD00011405

Potassium hexachloroplatinate(IV), ca. 40% Pt, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium hexachloroplatinate(IV) Assay: 40.0 to 40.2% (Pt) Molecular Formula: Cl6K2Pt Linear Formula: K2PtCl6 Formula Weight: 486.01 Synonym: Potassium chloroplatinate

Potassium chloride, ultra dry, 99.95% (metals basis), Alfa Aesar™

Chemical Name or Material: Potassium chloride CAS: 7447-40-7 Physical Form: Beads Assay Percent Range: 99.95% (metals basis) Molecular Formula: KCl Formula Weight: 74.55 MDL Number: MFCD00011360

Potassium thioacetate, 98%, ACROS Organics™

Chemical Name or Material: Potassium thioacetate Assay: ≥97.5% (Argentometry) Assay Percent Range: 98% Molecular Formula: C2H3KOS Linear Formula: CH3COSK Formula Weight: 114.2 Synonym: Potassium thiolacetate

Potassium bromide, 99.92% (metals basis), Alfa Aesar™

Chemical Name or Material: Potassium bromide CAS: 7758-02-3 Physical Form: Crystalline Assay Percent Range: 99.92% (metals basis) Molecular Formula: KBr Formula Weight: 119.01 MDL Number: MFCD00011358

Potassium Thiocyanate (Crystalline/Certified ACS), Fisher Chemical

Chemical Name or Material: Potassium Thiocyanate CAS: 333-20-0 Purity Grade: Certified ACS Grade Physical Form: Crystalline Solid Assay: ≥98.5% Assay Percent Range: ≥98.5 % Molecular Formula: CKNS Formula Weight: 97.18 MDL Number: MFCD00011413 Synonym: Potassium Isothiocyanate

Potassium phosphate, dibasic, 99+%, for analysis, anhydrous, ACROS Organics™

Chemical Name or Material: Potassium phosphate, dibasic CAS: 7758-11-4 Purity Grade: For analysis Assay: ≥99.0% (Total base) Assay Percent Range: 99+% Molecular Formula: HK2O4P Linear Formula: K2HPO4 Formula Weight: 174.18 Synonym: Dipotassium hydrogen phosphate

Potassium tert-butoxide, pure, 1M solution in THF, AcroSeal™, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium tert-butoxide CAS: 865-47-4 CAS: 109-99-9 Purity Grade: Pure Molecular Formula: C4H9KO Linear Formula: (CH3)3COK Formula Weight: 112.21 Synonym: Potassium tert-butylate

Potassium Nitrite (Crystalline/Certified ACS), Fisher Chemical

Chemical Name or Material: Potassium Nitrite CAS: 7758-09-0 Purity Grade: Certified ACS Grade Physical Form: Solid Assay: ≥96% Assay Percent Range: ≥96 % Molecular Formula: KNO2 Formula Weight: 85.1 MDL Number: MFCD00011408

Potassium chlorate, ACS, 99.0% min, Alfa Aesar™

Chemical Name or Material: Potassium chlorate Name Note: For analysis ACS CAS: 3811-04-9 Physical Form: Crystalline Assay Percent Range: 99.0% Molecular Formula: KClO3 Formula Weight: 122.55 MDL Number: MFCD00011361

Potassium Permanganate (Crystalline/Certified ACS), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium Permanganate CAS: 7722-64-7 Purity Grade: Certified ACS Grade Physical Form: Solid Powder Assay: ≥99% Assay Percent Range: ≥99 % Molecular Formula: KMNO4 Formula Weight: 158.03 MDL Number: MFCD00011364

Potassium phosphate, monobasic, 99+%, ACS reagent, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium phosphate, monobasic CAS: 7778-77-0 Purity Grade: ACS Reagent Grade Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: H2KO4P Linear Formula: KH2PO4 Formula Weight: 136.09 MDL Number: MFCD00011401 Synonym: Potassium dihydrogen phosphate

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