Acids
Acids
Organic and inorganic acids suitable for a wide variety of laboratory applications. Products are available in solid and liquid forms and in various pH values, quantities, reagent grades, and purities.
Acids are defined as substances that have a sour taste, a low pH (<7), and cause litmus paper to turn red. They also react with bases (yielding water and ionic compounds called salts) and produce hydrogen gas when used to dissolve metals such as zinc and iron.
Chemically, an acid is a molecule or ion that acts as a proton or hydrogen ion donor (Brønsted-Lowry acid) in a non-aqueous solution. In water, acids form hydronium ions (H3O+).
An acid is alternatively defined as a molecule or ion that accepts an electron pair (Lewis acid). One example is trifluoroborane, which has a boron atom capable of accepting an electron pair from ammonia (NH3) to form NH3-BF3.
Common inorganic acids include hydrochloric, sulfuric, nitric, and phosphoric acids. Common organic acids include acetic, benzoic, citric, and lactic acids.
In the laboratory, acids are used as reagents or catalysts in many types of chemical reactions.
Strong acids, such as sulfuric and hydrochloric acid, are highly corrosive and have extensive commercial applications.
- Sulfuric acid is used to process petroleum and minerals and to make other chemicals like nitric acid
- Hydrochloric acid is used to pickle steel and other metals
- Some acids are used as neutralizers to produce salts; for example, ammonium nitrate is produced by the reaction of nitric acid with ammonia
- Many acids are also used in the food and beverage industry
Do you need bulk and custom chemical solutions? Ask our Fisher Scientific Chemical Specialists.
Filtered Search Results
Citric acid, 99.6%, Thermo Scientific Chemicals
CAS: 77-92-9 Molecular Formula: C6H8O7 Molecular Weight (g/mol): 192.12 MDL Number: MFCD00011669 InChI Key: KRKNYBCHXYNGOX-UHFFFAOYSA-N Synonym: citric acid,citric acid, anhydrous,citro,anhydrous citric acid,citrate,aciletten,citretten,chemfill,hydrocerol a,1,2,3-propanetricarboxylic acid, 2-hydroxy PubChem CID: 311 ChEBI: CHEBI:30769 IUPAC Name: 2-hydroxypropane-1,2,3-tricarboxylic acid SMILES: OC(=O)CC(O)(CC(O)=O)C(O)=O
PubChem CID | 311 |
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CAS | 77-92-9 |
Molecular Weight (g/mol) | 192.12 |
ChEBI | CHEBI:30769 |
MDL Number | MFCD00011669 |
SMILES | OC(=O)CC(O)(CC(O)=O)C(O)=O |
Synonym | citric acid,citric acid, anhydrous,citro,anhydrous citric acid,citrate,aciletten,citretten,chemfill,hydrocerol a,1,2,3-propanetricarboxylic acid, 2-hydroxy |
IUPAC Name | 2-hydroxypropane-1,2,3-tricarboxylic acid |
InChI Key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
Molecular Formula | C6H8O7 |
Nitric Acid Solution 0.1M (0.1N), NIST Standard Solution Ready To Use, for Volumetric Analysis, Fisher Chemical™
CAS: 7697-37-2 Molecular Formula: HNO3 Molecular Weight (g/mol): 63.01 MDL Number: MFCD00011349 InChI Key: GRYLNZFGIOXLOG-UHFFFAOYSA-N Synonym: hydrogen nitrate,aqua fortis,azotic acid,salpetersaeure,rfna,acidum nitricum,nital,acide nitrique,nitrous fumes,nitryl hydroxide PubChem CID: 944 ChEBI: CHEBI:48107 IUPAC Name: nitric acid SMILES: O[N+]([O-])=O
PubChem CID | 944 |
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CAS | 7697-37-2 |
Molecular Weight (g/mol) | 63.01 |
ChEBI | CHEBI:48107 |
MDL Number | MFCD00011349 |
SMILES | O[N+]([O-])=O |
Synonym | hydrogen nitrate,aqua fortis,azotic acid,salpetersaeure,rfna,acidum nitricum,nital,acide nitrique,nitrous fumes,nitryl hydroxide |
IUPAC Name | nitric acid |
InChI Key | GRYLNZFGIOXLOG-UHFFFAOYSA-N |
Molecular Formula | HNO3 |
Hydrochloric Acid Solution 1M (1N), NIST Standard Solution, ready to use, for volumetric analysis, Fisher Chemical™
CAS: 7647-01-0 Molecular Formula: ClH Molecular Weight (g/mol): 36.46 MDL Number: MFCD00011324 MFCD00792839 InChI Key: VEXZGXHMUGYJMC-UHFFFAOYSA-N Synonym: hydrochloric acid,hydrogen chloride,muriatic acid,chlorohydric acid,acide chlorhydrique,chlorwasserstoff,spirits of salt,hydrogen chloride hcl,anhydrous hydrochloric acid,chloorwaterstof PubChem CID: 313 ChEBI: CHEBI:17883 SMILES: Cl
PubChem CID | 313 |
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CAS | 7647-01-0 |
Molecular Weight (g/mol) | 36.46 |
ChEBI | CHEBI:17883 |
MDL Number | MFCD00011324 MFCD00792839 |
SMILES | Cl |
Synonym | hydrochloric acid,hydrogen chloride,muriatic acid,chlorohydric acid,acide chlorhydrique,chlorwasserstoff,spirits of salt,hydrogen chloride hcl,anhydrous hydrochloric acid,chloorwaterstof |
InChI Key | VEXZGXHMUGYJMC-UHFFFAOYSA-N |
Molecular Formula | ClH |
Oxalic acid dihydrate, 98%, Thermo Scientific Chemicals
CAS: 6153-56-6 Molecular Formula: C2H6O6 Molecular Weight (g/mol): 126.064 MDL Number: MFCD00149102 InChI Key: GEVPUGOOGXGPIO-UHFFFAOYSA-N Synonym: oxalic acid dihydrate,ethanedioic acid, dihydrate,unii-0k2l2ij59o,ethanedioic acid dihydrate,oxalic acid, dihydrate,oxalicacid dihydrate,dihydrate oxalic acid,oxalic acid di-hydrate,pubchem17416,acmc-209mtm PubChem CID: 61373 IUPAC Name: oxalic acid;dihydrate SMILES: C(=O)(C(=O)O)O.O.O
PubChem CID | 61373 |
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CAS | 6153-56-6 |
Molecular Weight (g/mol) | 126.064 |
MDL Number | MFCD00149102 |
SMILES | C(=O)(C(=O)O)O.O.O |
Synonym | oxalic acid dihydrate,ethanedioic acid, dihydrate,unii-0k2l2ij59o,ethanedioic acid dihydrate,oxalic acid, dihydrate,oxalicacid dihydrate,dihydrate oxalic acid,oxalic acid di-hydrate,pubchem17416,acmc-209mtm |
IUPAC Name | oxalic acid;dihydrate |
InChI Key | GEVPUGOOGXGPIO-UHFFFAOYSA-N |
Molecular Formula | C2H6O6 |
Hydrochloric Acid, 32%, Certified AR for Analysis, d=1.16, Fisher Chemical™
CAS: 7647-01-0 Molecular Formula: ClH Molecular Weight (g/mol): 36.46 MDL Number: MFCD00011324 MFCD00792839 InChI Key: VEXZGXHMUGYJMC-UHFFFAOYSA-N Synonym: hydrochloric acid,hydrogen chloride,muriatic acid,chlorohydric acid,acide chlorhydrique,chlorwasserstoff,spirits of salt,hydrogen chloride hcl,anhydrous hydrochloric acid,chloorwaterstof PubChem CID: 313 ChEBI: CHEBI:17883 IUPAC Name: chlorane SMILES: Cl
PubChem CID | 313 |
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CAS | 7647-01-0 |
Molecular Weight (g/mol) | 36.46 |
ChEBI | CHEBI:17883 |
MDL Number | MFCD00011324 MFCD00792839 |
SMILES | Cl |
Synonym | hydrochloric acid,hydrogen chloride,muriatic acid,chlorohydric acid,acide chlorhydrique,chlorwasserstoff,spirits of salt,hydrogen chloride hcl,anhydrous hydrochloric acid,chloorwaterstof |
IUPAC Name | chlorane |
InChI Key | VEXZGXHMUGYJMC-UHFFFAOYSA-N |
Molecular Formula | ClH |
Citric Acid Monohydrate, Certified AR for Analysis, meets analytical specification of Ph.Eur., USP, Fisher Chemical™
CAS: 5949-29-1 Molecular Formula: C6H10O8 Molecular Weight (g/mol): 210.14 MDL Number: 149972 InChI Key: YASYEJJMZJALEJ-UHFFFAOYSA-N IUPAC Name: 2-hydroxypropane-1,2,3-tricarboxylic acid hydrate SMILES: O.OC(=O)CC(O)(CC(O)=O)C(O)=O
CAS | 5949-29-1 |
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Molecular Weight (g/mol) | 210.14 |
MDL Number | 149972 |
SMILES | O.OC(=O)CC(O)(CC(O)=O)C(O)=O |
IUPAC Name | 2-hydroxypropane-1,2,3-tricarboxylic acid hydrate |
InChI Key | YASYEJJMZJALEJ-UHFFFAOYSA-N |
Molecular Formula | C6H10O8 |
Fluoroboric acid, 50 wt.% solution in water, Thermo Scientific Chemicals
CAS: 16872-11-0 Molecular Formula: BF4H Molecular Weight (g/mol): 87.812 MDL Number: MFCD00011345 InChI Key: ODGCEQLVLXJUCC-UHFFFAOYSA-O Synonym: fluoroboric acid,fluoboric acid,tetrafluoroboric acid,hydrogen tetrafluoroborate,borofluoric acid,hydrofluoboric acid,borate 1-, tetrafluoro-, hydrogen,hydron tetrafluoroborate,hydrogen tetrafluoroborate 1-,unii-h429wz9fbq PubChem CID: 28118 ChEBI: CHEBI:38902 IUPAC Name: hydron;tetrafluoroborate SMILES: [H+].[B-](F)(F)(F)F
PubChem CID | 28118 |
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CAS | 16872-11-0 |
Molecular Weight (g/mol) | 87.812 |
ChEBI | CHEBI:38902 |
MDL Number | MFCD00011345 |
SMILES | [H+].[B-](F)(F)(F)F |
Synonym | fluoroboric acid,fluoboric acid,tetrafluoroboric acid,hydrogen tetrafluoroborate,borofluoric acid,hydrofluoboric acid,borate 1-, tetrafluoro-, hydrogen,hydron tetrafluoroborate,hydrogen tetrafluoroborate 1-,unii-h429wz9fbq |
IUPAC Name | hydron;tetrafluoroborate |
InChI Key | ODGCEQLVLXJUCC-UHFFFAOYSA-O |
Molecular Formula | BF4H |
Thermo Scientific Chemicals L(+)-Lactic acid, 90% solution in water
CAS: 79-33-4 Molecular Formula: C3H6O3 Molecular Weight (g/mol): 90.078 MDL Number: MFCD00064266 InChI Key: JVTAAEKCZFNVCJ-REOHCLBHSA-N Synonym: l-lactic acid,l-+-lactic acid,s-2-hydroxypropanoic acid,s-lactic acid,sarcolactic acid,s-2-hydroxypropionic acid,2s-2-hydroxypropanoic acid,+-lactic acid,espiritin,tisulac PubChem CID: 107689 ChEBI: CHEBI:422 IUPAC Name: (2S)-2-hydroxypropanoic acid SMILES: CC(C(=O)O)O
PubChem CID | 107689 |
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CAS | 79-33-4 |
Molecular Weight (g/mol) | 90.078 |
ChEBI | CHEBI:422 |
MDL Number | MFCD00064266 |
SMILES | CC(C(=O)O)O |
Synonym | l-lactic acid,l-+-lactic acid,s-2-hydroxypropanoic acid,s-lactic acid,sarcolactic acid,s-2-hydroxypropionic acid,2s-2-hydroxypropanoic acid,+-lactic acid,espiritin,tisulac |
IUPAC Name | (2S)-2-hydroxypropanoic acid |
InChI Key | JVTAAEKCZFNVCJ-REOHCLBHSA-N |
Molecular Formula | C3H6O3 |
Acetic acid, 99.8%, for analysis, Thermo Scientific Chemicals
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.05 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid,ethylic acid,acetic acid, glacial,methanecarboxylic acid,vinegar acid,glacial,acetasol,acide acetique,essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(O)=O
PubChem CID | 176 |
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CAS | 64-19-7 |
Molecular Weight (g/mol) | 60.05 |
ChEBI | CHEBI:15366 |
MDL Number | MFCD00036152 |
SMILES | CC(O)=O |
Synonym | ethanoic acid,ethylic acid,acetic acid, glacial,methanecarboxylic acid,vinegar acid,glacial,acetasol,acide acetique,essigsaeure |
IUPAC Name | acetic acid |
InChI Key | QTBSBXVTEAMEQO-UHFFFAOYSA-N |
Molecular Formula | C2H4O2 |
Citric acid monohydrate, 99.5%, for analysis, Thermo Scientific Chemicals
CAS: 5949-29-1 Molecular Formula: C6H10O8 Molecular Weight (g/mol): 210.138 MDL Number: MFCD00149972 InChI Key: YASYEJJMZJALEJ-UHFFFAOYSA-N Synonym: citric acid monohydrate,citric acid hydrate,2-hydroxypropane-1,2,3-tricarboxylic acid hydrate,citric acid, monohydrate,unii-2968phw8qp,1,2,3-propanetricarboxylic acid, 2-hydroxy-, monohydrate,citrate,acidum citricum monohydricum,citric acid monohydrate usp PubChem CID: 22230 ChEBI: CHEBI:31404 IUPAC Name: 2-hydroxypropane-1,2,3-tricarboxylic acid;hydrate SMILES: C(C(=O)O)C(CC(=O)O)(C(=O)O)O.O
PubChem CID | 22230 |
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CAS | 5949-29-1 |
Molecular Weight (g/mol) | 210.138 |
ChEBI | CHEBI:31404 |
MDL Number | MFCD00149972 |
SMILES | C(C(=O)O)C(CC(=O)O)(C(=O)O)O.O |
Synonym | citric acid monohydrate,citric acid hydrate,2-hydroxypropane-1,2,3-tricarboxylic acid hydrate,citric acid, monohydrate,unii-2968phw8qp,1,2,3-propanetricarboxylic acid, 2-hydroxy-, monohydrate,citrate,acidum citricum monohydricum,citric acid monohydrate usp |
IUPAC Name | 2-hydroxypropane-1,2,3-tricarboxylic acid;hydrate |
InChI Key | YASYEJJMZJALEJ-UHFFFAOYSA-N |
Molecular Formula | C6H10O8 |
Citric Acid, Anhydrous, 99%, Pure, Thermo Scientific Chemicals
CAS: 77-92-9 Molecular Formula: C6H8O7 Molecular Weight (g/mol): 192.12 MDL Number: MFCD00011669 InChI Key: KRKNYBCHXYNGOX-UHFFFAOYSA-N Synonym: citric acid,citric acid, anhydrous,citro,anhydrous citric acid,citrate,aciletten,citretten,chemfill,hydrocerol a,1,2,3-propanetricarboxylic acid, 2-hydroxy PubChem CID: 311 ChEBI: CHEBI:30769 IUPAC Name: 2-hydroxypropane-1,2,3-tricarboxylic acid SMILES: OC(=O)CC(O)(CC(O)=O)C(O)=O
PubChem CID | 311 |
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CAS | 77-92-9 |
Molecular Weight (g/mol) | 192.12 |
ChEBI | CHEBI:30769 |
MDL Number | MFCD00011669 |
SMILES | OC(=O)CC(O)(CC(O)=O)C(O)=O |
Synonym | citric acid,citric acid, anhydrous,citro,anhydrous citric acid,citrate,aciletten,citretten,chemfill,hydrocerol a,1,2,3-propanetricarboxylic acid, 2-hydroxy |
IUPAC Name | 2-hydroxypropane-1,2,3-tricarboxylic acid |
InChI Key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
Molecular Formula | C6H8O7 |
Boiling Point | 100.0°C |
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Linear Formula | HCl |
Molecular Weight (g/mol) | 36.46 |
ChEBI | CHEBI:17883 |
Color | Colorless |
Physical Form | Liquid |
SMILES | Cl |
Merck Index | 15, 4818 |
Concentration | 0.0998 to 0.1002N (20°C) |
InChI Key | VEXZGXHMUGYJMC-UHFFFAOYSA-N |
Density | 1.0000g/mL |
PubChem CID | 313 |
Name Note | 0.1 N Standard Solution |
Fieser | 04,450; 05,533; 06,283 |
CAS | 7732-18-5 |
Health Hazard 3 | Emergency Overview May cause skin, eye, and respiratory tract irritation. The toxicological properties have not been fully investigated. NFPA Health: 2 Flammability: 0 Instability: 0 |
MDL Number | MFCD00011324 MFCD00792839 |
Solubility Information | Solubility in water: miscible. Other solubilities: soluble in alcohol and benzene |
Health Hazard 1 | SIGNAL WORD: CAUTION! |
Synonym | hydrochloric acid,hydrogen chloride,muriatic acid,chlorohydric acid,acide chlorhydrique,chlorwasserstoff,spirits of salt,hydrogen chloride hcl,anhydrous hydrochloric acid,chloorwaterstof |
Molecular Formula | ClH |
Formula Weight | 36.46 |
Specific Gravity | 1 |
Acetic acid, potassium salt, 99+%, ACS reagent, Thermo Scientific Chemicals
CAS: 127-08-2 Molecular Formula: C2H3KO2 Molecular Weight (g/mol): 98.142 InChI Key: SCVFZCLFOSHCOH-UHFFFAOYSA-M Synonym: potassium acetate,acetic acid, potassium salt,diuretic salt,potassium ethanoate,koac,octan draselny czech,potassiumacetate,acetic acid potassium salt,acok,fema no. 2920 PubChem CID: 517044 ChEBI: CHEBI:32029 IUPAC Name: potassium;acetate SMILES: CC(=O)[O-].[K+]
PubChem CID | 517044 |
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CAS | 127-08-2 |
Molecular Weight (g/mol) | 98.142 |
ChEBI | CHEBI:32029 |
SMILES | CC(=O)[O-].[K+] |
Synonym | potassium acetate,acetic acid, potassium salt,diuretic salt,potassium ethanoate,koac,octan draselny czech,potassiumacetate,acetic acid potassium salt,acok,fema no. 2920 |
IUPAC Name | potassium;acetate |
InChI Key | SCVFZCLFOSHCOH-UHFFFAOYSA-M |
Molecular Formula | C2H3KO2 |
Phosphoric acid, pure, Thermo Scientific Chemicals
CAS: 7664-38-2 Molecular Formula: H3O4P Molecular Weight (g/mol): 97.994 MDL Number: MFCD00011340 InChI Key: NBIIXXVUZAFLBC-UHFFFAOYSA-N Synonym: orthophosphoric acid,sonac,o-phosphoric acid,phosphorsaeure,acidum phosphoricum,evits,wc-reiniger,acide phosphorique,white,acido fosforico PubChem CID: 1004 ChEBI: CHEBI:26078 IUPAC Name: phosphoric acid SMILES: OP(=O)(O)O
PubChem CID | 1004 |
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CAS | 7664-38-2 |
Molecular Weight (g/mol) | 97.994 |
ChEBI | CHEBI:26078 |
MDL Number | MFCD00011340 |
SMILES | OP(=O)(O)O |
Synonym | orthophosphoric acid,sonac,o-phosphoric acid,phosphorsaeure,acidum phosphoricum,evits,wc-reiniger,acide phosphorique,white,acido fosforico |
IUPAC Name | phosphoric acid |
InChI Key | NBIIXXVUZAFLBC-UHFFFAOYSA-N |
Molecular Formula | H3O4P |
DL-Malic acid, +99%, Thermo Scientific Chemicals
CAS: 6915-15-7 Molecular Formula: C4H6O5 Molecular Weight (g/mol): 134.087 MDL Number: MFCD00064212 InChI Key: BJEPYKJPYRNKOW-UHFFFAOYSA-N Synonym: malic acid,dl-malic acid,2-hydroxysuccinic acid,malate,hydroxysuccinic acid,butanedioic acid, hydroxy,kyselina jablecna,pomalus acid,hydroxybutanedioic acid,deoxytetraric acid PubChem CID: 525 ChEBI: CHEBI:6650 IUPAC Name: 2-hydroxybutanedioic acid SMILES: C(C(C(=O)O)O)C(=O)O
PubChem CID | 525 |
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CAS | 6915-15-7 |
Molecular Weight (g/mol) | 134.087 |
ChEBI | CHEBI:6650 |
MDL Number | MFCD00064212 |
SMILES | C(C(C(=O)O)O)C(=O)O |
Synonym | malic acid,dl-malic acid,2-hydroxysuccinic acid,malate,hydroxysuccinic acid,butanedioic acid, hydroxy,kyselina jablecna,pomalus acid,hydroxybutanedioic acid,deoxytetraric acid |
IUPAC Name | 2-hydroxybutanedioic acid |
InChI Key | BJEPYKJPYRNKOW-UHFFFAOYSA-N |
Molecular Formula | C4H6O5 |