Inorganics Potassium Compounds

Potassium tetraborate tetrahydrate, 99.50%, ACROS Organics™

Chemical Name or Material: Potassium tetraborate tetrahydrate CAS: 12045-78-2 Purity Grade: Extra Pure Assay: ≥99.4% (total base) Assay Percent Range: 99.5% Molecular Formula: B4K2O7·4H2O Linear Formula: K2B4O7·4H2O Formula Weight: 305.5 Synonym: Potassium biborate tetrahydrate

Potassium iodide, ACS, 99.0% min., Alfa Aesar™

Chemical Name or Material: Potassium iodide Name Note: For analysis ACS CAS: 7681-11-0 Purity Grade: ACS Grade Physical Form: Granular Assay Percent Range: 99.0% min Molecular Formula: KI Formula Weight: 166.01 MDL Number: MFCD00011405

Potassium peroxydisulfate, ACS, 99.0% min., Alfa Aesar™

Chemical Name or Material: Potassium peroxydisulfate CAS: 7727-21-1 Purity Grade: ACS Grade Physical Form: Crystalline Powder Assay Percent Range: 99.0% min. Molecular Formula: K2S2O8 Formula Weight: 270.31 MDL Number: MFCD00011386 Synonym: Potassium persulfate

Potassium iodate, ACS, 99.4 to 100.4%, Alfa Aesar™

Chemical Name or Material: Potassium iodate Name Note: For analysis ACS CAS: 7758-05-6 Purity Grade: ACS Grade Physical Form: Powder Assay Percent Range: 99.4-100.4% Molecular Formula: KIO3 Formula Weight: 214 MDL Number: MFCD00011406

Potassium tetrafluoroborate, 99%, extra pure, ACROS Organics™

Chemical Name or Material: Potassium tetrafluoroborate Name Note: c.p. CAS: 14075-53-7 Purity Grade: Extra Pure Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: BF4K Linear Formula: KBF4 Formula Weight: 125.91 MDL Number: MFCD00011395

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 chloride, 99.997% (metals basis), Alfa Aesar™, Puratronic™

Chemical Name or Material: Potassium chloride CAS: 7447-40-7 Physical Form: Powder/Crystalline/Beads Assay Percent Range: 99.997% (metals basis) Molecular Formula: KCl Formula Weight: 74.55 MDL Number: MFCD00011360

Potassium ferricyanide, 99+%, for analysis, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium ferricyanide Name Note: p.a. CAS: 13746-66-2 Purity Grade: For analysis Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: C6FeK3N6 Linear Formula: K3Fe(CN)6 Formula Weight: 329.26 MDL Number: MFCD00011392 Synonym: Potassium hexacyanoferrate (III)

Potassium tert-butoxide, pure, 1.7M (20 wt.%) solution in THF, AcroSeal™, ACROS Organics™

Chemical Name or Material: Potassium tert-butoxide Name Note: Pure, 1.7M (20 wt.%) solution in THF CAS: 865-47-4 CAS: 109-99-9 Purity Grade: Pure Molecular Formula: C4H9KO Linear Formula: (CH3)3COK Formula Weight: 112.21 MDL Number: MFCD00012162 Synonym: Potassium tert-butylate

Potassium hydride, 25 to 35 wt.%, dispersion in mineral oil, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium Hydride CAS: 7693-26-7, 8042-47-5 CAS: 8042-47-5 Molecular Formula: HK Linear Formula: KH Formula Weight: 40.11

Potassium nitrite, 97%, extra pure, ACROS Organics™

Chemical Name or Material: Potassium nitrite Name Note: Extra Pure CAS: 7758-09-0 Assay Percent Range: 97% Molecular Formula: KNO2 Formula Weight: 85.1 MDL Number: MFCD00011408

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 metabisulfite, >95%, Alfa Aesar™

Chemical Name or Material: Potassium metabisulfite CAS: 16731-55-8 Physical Form: Powder Assay Percent Range: >99% Molecular Formula: K2S2O5 Formula Weight: 222.32 MDL Number: MFCD00167605 Synonym: Potassium disulfite

Acetic acid, potassium salt, 97%, pure, anhydrous, ACROS Organics™

Chemical Name or Material: Acetic acid, potassium salt CAS: 127-08-2 CAS Min %: 96.0 CAS Max %: 100.0 Purity Grade: Pure Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C2H3KO2 Linear Formula: CH3CO2K Formula Weight: 98.14 MDL Number: MFCD00012458 Synonym: Potassium acetate

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

Chemical Name or Material: Potassium nitrate CAS: 7757-79-1 Purity Grade: For analysis Assay: ≥99.0% (KNO3) Assay Percent Range: 99+% Molecular Formula: KNO3 Linear Formula: KNO3 Formula Weight: 101.1 MDL Number: MFCD00011409

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 borohydride, 98%, ACROS Organics™

Chemical Name or Material: Potassium borohydride Name Note: 98% CAS: 13762-51-1 Assay: ≥97.5% (KBH4) Assay Percent Range: 98+% Molecular Formula: H4BK Linear Formula: KBH4 Formula Weight: 53.93 MDL Number: MFCD00011396

Potassium Chloride (Crystalline/USP/FCC), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium Chloride CAS: 7447-40-7 Purity Grade: FCC/USP Physical Form: Solid Assay: ≥99.0% (FCC) Molecular Formula: ClK Formula Weight: 74.55 MDL Number: MFCD00011360

Potassium Ferrocyanide(II) Trihydrate, Reagent ACS, 98.5%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium ferrocyanide trihydrate CAS: 14459-95-1 Purity Grade: ACS Reagent Grade Assay: 98.5 to 102.0% Assay Percent Range: 98.50% Molecular Formula: C6FeK4N6·3H2O Linear Formula: K4Fe(CN)6·3H2O Formula Weight: 422.4 MDL Number: MFCD00167023 Synonym: Potassium hexacyanoferrate(II)

Potassium nitrate, 99+%, ACS reagent, ACROS Organics™

Chemical Name or Material: Potassium nitrate Name Note: crystals CAS: 7757-79-1 Purity Grade: ACS Reagent Grade Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: KNO3 Linear Formula: KNO3 Formula Weight: 101.1 MDL Number: MFCD00011409

Potassium tellurite monohydrate, 97%, Alfa Aesar™

Chemical Name or Material: Potassium tellurite monohydrate CAS: 123333-66-4 Physical Form: Crystals Assay Percent Range: 97% Molecular Formula: K2O3Te·H2O Formula Weight: 276.81 MDL Number: MFCD00149923

Potassium periodate, 99.5%, extra pure, ACROS Organics™

Chemical Name or Material: Potassium periodate CAS: 7790-21-8 Purity Grade: Extra Pure Assay: ≥99.4% (Iodometry) Assay Percent Range: 99.5% Molecular Formula: IKO4 Linear Formula: KIO4 Formula Weight: 230

Potassium Metabisulfite (Granular/NF/FCC), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium Metabisulfite CAS: 16731-55-8 Purity Grade: FCC/NF Physical Form: Powder/Solid Assay: ≥90.0% (FCC) Molecular Formula: K2O5S2 Formula Weight: 222.33 MDL Number: MFCD00167605 Synonym: Dipotassium Pyrosulfite

Potassium acetate, ACS, 99% min, Alfa Aesar™

Chemical Name or Material: Potassium acetate Name Note: For ACS analysis CAS: 127-08-2 Physical Form: Crystalline Assay Percent Range: 99% min Molecular Formula: C2H3KO2 Formula Weight: 98.15 MDL Number: MFCD00012458

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 Phosphate Monobasic (Crystalline/NF/FCC), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium Phosphate Monobasic CAS: 7778-77-0 Purity Grade: FCC/NF Physical Form: Solid Assay: ≥98.0% (FCC) Molecular Formula: H2KO4P Formula Weight: 136.09 MDL Number: MFCD00011401 Synonym: Potassium Acid Phosphate

Potassium Iodide Products for Science Education

Chemical Name or Material: Potassium Iodide CAS: 7681-11-0 Assay Percent Range: >95% Linear Formula: KI Formula Weight: 166.01 Synonym: KI

Potassium hydroxide, 99.99%, (trace metal basis), ACROS Organics™

Chemical Name or Material: Potassium hydroxide CAS: 1310-58-3 Purity Grade: Trace Metal Basis Assay: ≥60% (K) Assay Percent Range: 99.98% Molecular Formula: HKO Linear Formula: KOH Formula Weight: 56.11

Potassium Phosphate Dibasic Anhydrous (Crystalline Powder/USP), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium Phosphate Dibasic Anhydrous CAS: 7758-11-4 Purity Grade: USP Physical Form: Solid Assay: 98.0 to 100.5% (USP) Molecular Formula: HK2O4P Formula Weight: 174.18 MDL Number: MFCD00011383 Synonym: Dipotassium Hydrogen Phosphate

Potassium osmium(VI) oxide dihydrate, >99%, Alfa Aesar™

Chemical Name or Material: Potassium osmium(VI) oxide dihydrate CAS: 10022-66-9 Physical Form: Powder Assay Percent Range: 99+% Molecular Formula: K2OsO42H2O Formula Weight: 368.43 (332.40 Anhydrous) MDL Number: MFCD00149919 Synonym: Potassium osmate dihydrate

  spinner