Inorganic Bases

Sigma-Aldrich is the premier brand for all your inorganic bases. We have a large portfolio of inorganic bases and they are available in all purity grades to meet your application needs. Inorganic salts are widely used products that can be commonly found in the chemist′s stockroom. Such products as: calcium carbonate, calcium hydroxide and sodium carbonate are some of our most popular and commonly used bases.

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Molecular Formula

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00090 Acetaldehyde ammonia trimer ≥96.0% (NT) C6H15N3 · 3H2O
    • 407666 Ammonia solution 0.5 M in dioxane H3N
    • 392685 Ammonia solution 2.0 M in ethanol H3N
    • 392693 Ammonia solution 2.0 M in isopropanol H3N
    • 718939 Ammonia solution 0.4 M in THF H3N
    • 207861 Ammonium carbonate ACS reagent, ≥30.0% NH3 basis CH8N2O3
    • 11204 Ammonium carbonate meets analytical specification of NF, Ph. Franç., FCC, puriss. CH8N2O3
    • 68392 Ammonium carbonate NF CH8N2O3
    • 320145 Ammonium hydroxide solution ACS reagent, 28.0-30.0% NH3 basis H5NO
    • 05002 Ammonium hydroxide solution puriss., 30-33% NH3 in H2O H5NO
    • 05003 Ammonium hydroxide solution puriss., meets analytical specification of Ph. Eur., 26% NH3 basis H5NO
    • 09858 Ammonium hydroxide solution purum, ~28% NH3 in H2O (T) H5NO
    • 09870 Ammonium hydroxide solution purum, ~24% NH3 in H2O (T) H5NO
    • 40205 Ammonium hydroxide solution ≥25% NH3 in H2O, semiconductor grade PURANAL™ (Honeywell 17814) H5NO
    • 40291 Ammonium hydroxide solution ≥25% NH3 in H2O, semiconductor grade VLSI PURANAL™ (Honeywell 17605) H5NO
    • 40321 Ammonium hydroxide solution ≥25% NH3 in H2O, semiconductor grade SLSI PURANAL™ (Honeywell 17301) H5NO
    • 01-4362 Ammonium hydroxide solution 28% NH3 in H2O, suitable for determination of toxic metals H5NO
    • 202711 Barium carbonate 99.999% trace metals basis CBaO3
    • 329436 Barium carbonate 99.98% trace metals basis CBaO3
    • 237108 Barium carbonate ACS reagent, ≥99% CBaO3
    • 600202 Barium carbonate-13C 90 atom % 13C 13CBaO3
    • 277193 Barium carbonate-13C 98 atom % 13C 13CBaO3
    • 637823 Barium-137Ba carbonate 82 atom % 137Ba C137BaO3
    • 433373 Barium hydroxide technical grade, ~95% H2BaO2
    • 450170 Barium hydroxide hydrate 99.995% trace metals basis H2BaO2 · xH2O
    • 11783 Barium hydroxide monohydrate purum p.a., ≥98.0% (T) H2BaO2 · H2O
    • 342386 Barium hydroxide monohydrate 98% H2BaO2 · H2O
    • B2507 Barium hydroxide octahydrate ≥98% H2BaO2 · 8H2O
    • 11781 Barium hydroxide octahydrate purum p.a., crystallized, ≥98.0% (T) H2BaO2 · 8H2O
    • 11415 Barium hydroxide octahydrate puriss., ≥97.0% H2BaO2 · 8H2O
    • 217573 Barium hydroxide octahydrate ACS reagent, ≥98% H2BaO2 · 8H2O
    • 35050 Barium hydroxide solution volumetric, 0.05 M Ba(OH)2 (0.1N) H2BaO2
    • B4059 Barium hydroxide solution 0.3 N H2BaO2
    • 752142 n-Butyl-sec-butylmagnesium solution 0.7 M in hexane C8H18Mg
    • C4830 Calcium carbonate BioXtra, ≥99.0% CCaO3
    • C6763 Calcium carbonate ReagentPlus® CCaO3
    • C5929 Calcium carbonate BioReagent, suitable for insect cell culture, ≥99.0% CCaO3
    • 202932 Calcium carbonate ≥99.995% trace metals basis CCaO3
    • 398101 Calcium carbonate ACS reagent, chelometric standard, 99.95-100.05% dry basis CCaO3
    • 256501 Calcium carbonate ACS reagent, low in alkalies, ≥99.0% CCaO3
    • 239216 Calcium carbonate ACS reagent, ≥99.0%, powder CCaO3
    • 21061 Calcium carbonate BioUltra, precipitated, ≥99.0% (KT) CCaO3
    • 21060 Calcium carbonate purum p.a., precipitated, ≥99.0% (KT) CCaO3
    • 12010 Calcium carbonate puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E170, precipitated, 98.5-100.5% (based on anhydrous substance) CCaO3
    • 21069 Calcium carbonate Ph Eur CCaO3
    • C7887 Calcium hydroxide ≥95% H2CaO2
    • 21181 Calcium hydroxide purum p.a., ≥96.0% (T) H2CaO2
    • 239232 Calcium hydroxide ACS reagent, ≥95.0% H2CaO2
    • 255645 Cesium carbonate 99.995% trace metals basis CCs2O3
    • 554855 Cesium carbonate 99.95% trace metals basis CCs2O3
    • 202126 Cesium carbonate 99.9% trace metals basis CCs2O3
    • 441902 Cesium carbonate ReagentPlus®, 99% CCs2O3
    • 562572 Cesium carbonate Cabot® high-purity grade CCs2O3
    • 562580 Cesium carbonate Cabot® technical grade CCs2O3
    • 20960 Cesium carbonate purum p.a., ≥98.0% (T) CCs2O3
    • C8518 Cesium hydroxide hydrate ≥90% HCsO · xH2O
    • 516988 Cesium hydroxide monohydrate 99.95% trace metals basis HCsO · H2O
    • 562505 Cesium hydroxide monohydrate 99.9% trace metals basis HCsO · H2O
    • 21000 Cesium hydroxide monohydrate ≥95.0% (T) HCsO · H2O
    • 232041 Cesium hydroxide solution 50 wt. % in H2O, 99.9% trace metals basis HCsO
    • 232068 Cesium hydroxide solution 50 wt. % in H2O, 99% trace metals basis (purity determined on metals basis) HCsO
    • 213217 Lithium amide powder, 95% H2LiN
    • L4283 Lithium carbonate BioXtra, ~99% CLi2O3
    • 62472 Lithium carbonate purum p.a., ≥98.0% (T) CLi2O3
    • 13010 Lithium carbonate purum, ≥99% CLi2O3
    • 431559 Lithium carbonate 99.99% trace metals basis CLi2O3
    • 255823 Lithium carbonate ACS reagent, ≥99.0% CLi2O3
    • L4533 Lithium hydroxide monohydrate BioXtra, 98.5-101.5% (titration) HLiO · H2O
    • 402974 Lithium hydroxide monohydrate ACS reagent, ≥98.0% HLiO · H2O
    • 62530 Lithium hydroxide monohydrate purum p.a., ≥99.0% (T) HLiO · H2O
    • 13020 Lithium hydroxide monohydrate purum, ≥98.5% HLiO · H2O
    • 63062 Magnesium carbonate basic purum p.a., heavy, ≥40% (MgO) CMgO3
    • 63032 Magnesium carbonate basic Ph Eur, heavy CMgO3
    • 13117 Magnesium carbonate basic puriss., meets analytical specification of Ph. Eur., BP, E504, light, 40-45% Mg (as MgO) basis, powder (light) CMgO3
    • 13118 Magnesium carbonate basic purum, light, ≥40% Mg (as MgO) basis, powder (light) CMgO3
    • 227668 Magnesium carbonate hydroxide hydrate 99% C4Mg4O12 · H2MgO2 · xH2O
    • M5671 Magnesium carbonate hydroxide pentahydrate BioXtra C4Mg4O12 · H2MgO2 · 5H2O
    • 467480 Magnesium carbonate hydroxide pentahydrate 99.99% trace metals basis C4Mg4O12 · H2MgO2 · 5H2O
    • 737437 Magnesium chloride triethylamine solution 0.5 M in methanol C6H15N · MgCl2
    • M5421 Magnesium hydroxide BioXtra, ≥95% H2MgO2
    • 632309 Magnesium hydroxide nanopowder, <100 nm particle size (laser PSA), 99.8% trace metals basis H2MgO2
    • 544183 Nickel carbonate, basic hydrate 99.9% trace metals basis CH4Ni3O7 · xH2O
    • 738700 4-Piperidinopyridine 97% C10H14N2
    • P5833 Potassium carbonate BioXtra, ≥99.0% CK2O3
    • 367877 Potassium carbonate 99.995% trace metals basis CK2O3
    • 590681 Potassium carbonate anhydrous, powder, 99.99% trace metals basis CK2O3
    • 60108 Potassium carbonate BioUltra, anhydrous, ≥99.0% (T) CK2O3
    • 60110 Potassium carbonate purum p.a., anhydrous, ≥99.0% (T) CK2O3
    • 12611 Potassium carbonate meets analytical specification of Ph. Helv., puriss., anhydrous, granulated, 99-101% (calc. to the dried substance) CK2O3
    • 243558 Potassium carbonate sesquihydrate ACS reagent, 99% CK2O3 · 1.5H2O
    • 221473 Potassium hydroxide ACS reagent, ≥85%, pellets HKO
    • 60375 Potassium hydroxide purum p.a., ≥85% (T), pellets HKO
    • 06005 Potassium hydroxide puriss., meets analytical specification of Ph. Eur., BP, NF, 85-100.5%, pellets HKO
    • 60377 Potassium hydroxide Ph Eur HKO
    • 06103 Potassium hydroxide technical, ≥85%, powder HKO
    • 40216 Potassium hydroxide semiconductor grade PURANAL™ (Honeywell 17851) HKO
    • P4494 Potassium hydroxide solution volumetric, 8.0 M KOH (8.0N) HKO
    • 720143 Potassium hydroxide on alumina HKO
    • 251437 Rubidium carbonate 99.8% trace metals basis CO3Rb2
    • 289310 Rubidium carbonate 99% CO3Rb2
    • 401293 Rubidium hydroxide hydrate HORb · xH2O
    • 243892 Rubidium hydroxide solution 50 wt. % in H2O, 99.9% trace metals basis HORb
    • 243698 Rubidium hydroxide solution 50 wt. % in H2O, 99% trace metals basis HORb
    • 266434 Soda lime ACS reagent, granular, +100 mesh particle size  
    • 71260 Sodium amide purum, ≥95.0% (T), crystalline H2NNa
    • 432504 Sodium amide 95% H2NNa
    • 208329 Sodium amide 98% H2NNa
    • 291587 Sodium amide 50 wt. % suspension in toluene H2NNa
    • S7795 Sodium carbonate BioXtra, ≥99.0% CNa2O3
    • 204420 Sodium carbonate 99.995% trace metals basis CNa2O3
    • 451614 Sodium carbonate anhydrous, powder, 99.999% trace metals basis CNa2O3
    • 223484 Sodium carbonate ACS reagent (primary standard), anhydrous, 99.95-100.05% dry basis CNa2O3
    • 222321 Sodium carbonate ACS reagent, anhydrous, ≥99.5%, granular CNa2O3
    • 223530 Sodium carbonate powder, ≥99.5%, ACS reagent CNa2O3
    • 13418 Sodium carbonate puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance) CNa2O3
    • 28-2170 Sodium carbonate JIS special grade, ≥99.5% CNa2O3
    • 13414 Sodium carbonate decahydrate puriss., meets analytical specification of Ph. Eur., BP, FCC, E500, FG, 99.5-100.5% (ex dried subst.) CNa2O3 · 10H2O
    • 577782 Sodium carbonate decahydrate 99.999% trace metals basis CNa2O3 · 10H2O
    • 71361 Sodium carbonate hydrate purum p.a., ≥99.0% (calc. based on dry substance, T), 9-10 mol/mol water CNa2O3 · xH2O
    • S4132 Sodium carbonate monohydrate ReagentPlus®, ≥99.5% CNa2O3 · H2O
    • 13568 Sodium carbonate monohydrate puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, FG, 99.5-100.5% (ex dried subst.) CNa2O3 · H2O
    • 230952 Sodium carbonate monohydrate ACS reagent, ≥99.5% CNa2O3 · H2O
    • 34277 Sodium carbonate solution volumetric, 0.5 M Na2CO3 (1N) CNa2O3
    • 221465 Sodium hydroxide ACS reagent, ≥97.0%, pellets HNaO
    • 06203 Sodium hydroxide puriss., meets analytical specification of Ph. Eur., BP, NF, E524, 98-100.5%, pellets HNaO
    • 06306 Sodium hydroxide ≥98.5%, microprills HNaO
    • 71691 Sodium hydroxide purum p.a., ≥98.0% (T), beads (small) HNaO
    • 71692 Sodium hydroxide purum p.a., ≥97.0% (T), pellets HNaO
    • 71693 Sodium hydroxide purum, purified, ≥97.0% (T), flakes HNaO
    • 71694 Sodium hydroxide Ph Eur HNaO
    • 06208 Sodium hydroxide for the manufacture of mirrors, pellets, Cl <0.001% HNaO
    • 655104 Sodium hydroxide reagent grade, 97%, powder HNaO
    • 204455 Strontium carbonate 99.995% trace metals basis CO3Sr
    • 472018 Strontium carbonate ≥99.9% trace metals basis CO3Sr
    • 289833 Strontium carbonate ≥98% CO3Sr
    • 433608 Strontium hydroxide 94% H2O2Sr
    • 463752 Strontium hydroxide octahydrate 99.995% trace metals basis H2O2Sr · 8H2O
    • 415219 Strontium hydroxide octahydrate 95% H2O2Sr · 8H2O
    • 220973 Titanium(III) chloride ReagentPlus®, powder Cl3Ti
    • 249998 Titanium(III) chloride solution ~10 wt. % in 20-30 wt. % hydrochloric acid Cl3Ti
    • 14010 Titanium(III) chloride solution ≥12% TiCl3 basis Cl3Ti