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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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1.05012 Potassium hydroxide Potassium hydroxide pellets pure. CAS No. 1310-58-3, EC Number 215-181-3., pellets EMPLURA® HKO
1.05021 Potassium hydroxide Potassium hydroxide pellets for analysis (max. 0.002% Na) EMSURE® ACS,ISO,Reag. Ph Eur. CAS No. 1310-58-3, EC Number 215-181-3., pellets for analysis (max. 0.002% Na) EMSURE® ACS,ISO,Reag. Ph Eur HKO
1.05029 Potassium hydroxide Potassium hydroxide pellets for analysis (max. 0.05% Na) EMSURE® ACS,Reag. Ph Eur.CAS No. 1310-58-3, EC Number 215-181-3., pellets for analysis (max. 0.05% Na) EMSURE® ACS,Reag. Ph Eur HKO
1.05033 Potassium hydroxide Potassium hydroxide pellets for analysis EMSURE®. CAS No. 1310-58-3, EC Number 215-181-3., pellets for analysis EMSURE® HKO
1.05423 Ammonia solution 28-30% for analysis EMSURE® ACS,Reag. Ph Eur  
1.05426 Ammonia solution 32% EMPLURA®  
1.05432 Ammonia solution 25% for analysis EMSURE®  
1.05545 Potassium hydroxide solution 47% for analysis EMSURE®  
1.05587 Sodium hydroxide solution about 32% EMPLURA®  
1.05588 Sodium hydroxide solution min. 10% (1.11) for analysis EMSURE®  
1.05590 Sodium hydroxide solution about 32% (for the determination of nitrogen) for analysis EMSURE®  
1.05591 Sodium hydroxide solution min. 27% (1.30) for analysis (for the determination of nitrogen) EMSURE®  
1.06462 Sodium hydroxide Sodium hydroxide pellets pure. CAS No. 1310-73-2, EC Number 215-185-5., pellets EMPLURA® HNaO
1.06467 Sodium hydroxide Sodium hydroxide granulated. CAS No. 1310-73-2, EC Number 215-185-5., granulated EMPLURA® HNaO
1.06469 Sodium hydroxide Sodium hydroxide pellets for analysis (max. 0.02% K) EMSURE® ACS,Reag. Ph Eur. Sodium hydroxide CAS No. 1310-73-2, EC Number 215-185-5., pellets for analysis (max. 0.02% K) EMSURE® ACS,Reag. Ph Eur,ISO HNaO
1.06495 Sodium hydroxide Sodium hydroxide pellets for analysis (max. 0.0002% K) EMSURE® ACS,Reag. Ph Eur. Sodium hydroxide CAS No. 1310-73-2, EC Number 215-185-5., pellets for analysis (max. 0.0002% K) EMSURE® ACS,Reag. Ph Eur HNaO
1.06498 Sodium hydroxide Sodium hydroxide pellets for analysis EMSURE® ISO. CAS No. 1310-73-2, EC Number 215-185-5., pellets for analysis EMSURE® ISO HNaO
1.11360 Sodium hydroxide solution min. 45% for analysis EMSURE®  
1.58793 Sodium hydroxide solution 50% for analysis EMSURE®  
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 puriss., meets analytical specification of NF, Ph. Franc., FCC CH8N2O3
338818 Ammonium hydroxide solution 28% NH3 in H2O, ≥99.99% trace metals basis H5NO
320145 Ammonium hydroxide solution ACS reagent, 28.0-30.0% NH3 basis H5NO
221228 Ammonium hydroxide solution ACS reagent, 28.0-30.0% NH3 basis H5NO
17093 Ammonium hydroxide solution puriss. p.a. plus, ≥25% NH3 in H2O H5NO
30501 Ammonium hydroxide solution puriss. p.a., reag. ISO, reag. Ph. Eur., ~25% 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., 25-30% NH3 basis 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
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
217573 Barium hydroxide octahydrate ACS reagent, ≥98% H2BaO2 · 8H2O
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
239216 Calcium carbonate ACS reagent, ≥99.0%, powder CCaO3
21061 Calcium carbonate BioUltra, 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 tested according to Ph.Eur. CCaO3
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
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 ≥99.5% trace metals basis 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 HCsO
213217 Lithium amide powder, 95% Green Alternative H2LiN
13010 Lithium carbonate purum, ≥99% CLi2O3
431559 Lithium carbonate 99.99% trace metals basis CLi2O3
255823 Lithium carbonate ACS reagent, ≥99.0% CLi2O3
545856 Lithium hydroxide powder, reagent grade, ≥98% HLiO
442410 Lithium hydroxide reagent grade, 98% HLiO
L4533 Lithium hydroxide monohydrate BioXtra, 98.5-101.5% (titration) HLiO · H2O
402974 Lithium hydroxide monohydrate ACS reagent, ≥98.0% 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 tested according to 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
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
P5958 Potassium hydroxide BioXtra, ≥85% KOH basis HKO
P1767 Potassium hydroxide ≥85% KOH basis, pellets, white HKO
306568 Potassium hydroxide semiconductor grade, pellets, 99.99% trace metals basis (Purity excludes sodium content.) HKO
484016 Potassium hydroxide reagent grade, 90%, flakes HKO
221473 Potassium hydroxide ACS reagent, ≥85%, pellets HKO
60370 Potassium hydroxide puriss. p.a., ≥86% (T), pellets HKO
30603 Potassium hydroxide puriss. p.a., Reag. Ph. Eur., ≥85%, pellets HKO
06005 Potassium hydroxide puriss., meets analytical specification of Ph. Eur., BP, NF, 85-100.5%, pellets HKO
60377 Potassium hydroxide tested according to Ph.Eur. HKO
06103 Potassium hydroxide technical, ≥85%, powder HKO
P4494 Potassium hydroxide solution volumetric, 8.0 M KOH (8.0N) HKO
417661 Potassium hydroxide solution 45 wt. % in H2O 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  
432504 Sodium amide 95% Green Alternative H2NNa
208329 Sodium amide 98% Green Alternative H2NNa
291587 Sodium amide 50 wt. % suspension in toluene H2NNa
791768 Sodium carbonate anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99.5% CNa2O3
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%, powder or granules 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, 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, 99.5-100.5% (ex dried subst.) CNa2O3 · H2O
230952 Sodium carbonate monohydrate ACS reagent, ≥99.5% CNa2O3 · H2O
S8045 Sodium hydroxide BioXtra, ≥98% (acidimetric), pellets (anhydrous) HNaO
306576 Sodium hydroxide pellets, semiconductor grade, 99.99% trace metals basis HNaO
S5881 Sodium hydroxide reagent grade, ≥98%, pellets (anhydrous) HNaO
221465 Sodium hydroxide ACS reagent, ≥97.0%, pellets HNaO
367176 Sodium hydroxide beads, 20-40 mesh, reagent grade, 97% HNaO
484024 Sodium hydroxide reagent grade, 97%, flakes HNaO
71687 Sodium hydroxide BioUltra, for luminescence, ≥98.0% (T), pellets HNaO
71690 Sodium hydroxide puriss. p.a., ACS reagent, K ≤0.02%, ≥98.0% (T), pellets HNaO
30620 Sodium hydroxide puriss. p.a., ACS reagent, reag. Ph. Eur., K ≤0.02%, ≥98%, 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
06208 Sodium hydroxide for the manufacture of mirrors, pellets, Cl <0.001% HNaO
655104 Sodium hydroxide reagent grade, 97%, powder HNaO
415413 Sodium hydroxide solution 50% in H2O HNaO
72068 Sodium hydroxide solution BioUltra, for molecular biology, 10 M in H2O HNaO
72064 Sodium hydroxide solution 50-52% in water, eluent for IC HNaO
72071 Sodium hydroxide solution for the determination of nitrogen, ≥32.0% in H2O (T) HNaO
05211 Sodium hydroxide solution purum, ≥32% HNaO
30530 Sodium hydroxide solution ≥20% HNaO
S2567 Sodium hydroxide solution volumetric, 1.0 M NaOH (1.0N) HNaO
S2770 Sodium hydroxide solution 1.0 N, BioReagent, suitable for cell culture HNaO
S8263 Sodium hydroxide solution 5.0 M HNaO
43617 Sodium hydroxide concentrate 0.1 M NaOH in water (0.1N), Eluent concentrate for IC 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
14010 Titanium(III) chloride solution ≥12% TiCl3 basis Cl3Ti