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
Formic acid, 99%, for analysis
CAS: 64-18-6 Molecular Formula: CH2O2 Molecular Weight (g/mol): 46.025 MDL Number: MFCD00003297 InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N Synonym: methanoic acid,formylic acid,aminic acid,bilorin,hydrogen carboxylic acid,formisoton,myrmicyl,formira,acide formique,collo-bueglatt PubChem CID: 284 ChEBI: CHEBI:30751 IUPAC Name: formic acid SMILES: C(=O)O
| PubChem CID | 284 |
|---|---|
| CAS | 64-18-6 |
| Molecular Weight (g/mol) | 46.025 |
| ChEBI | CHEBI:30751 |
| MDL Number | MFCD00003297 |
| SMILES | C(=O)O |
| Synonym | methanoic acid,formylic acid,aminic acid,bilorin,hydrogen carboxylic acid,formisoton,myrmicyl,formira,acide formique,collo-bueglatt |
| IUPAC Name | formic acid |
| InChI Key | BDAGIHXWWSANSR-UHFFFAOYSA-N |
| Molecular Formula | CH2O2 |
Formic acid, 98+%, pure
CAS: 64-18-6 Molecular Formula: CH2O2 Molecular Weight (g/mol): 46.025 InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N Synonym: methanoic acid,formylic acid,aminic acid,bilorin,hydrogen carboxylic acid,formisoton,myrmicyl,formira,acide formique,collo-bueglatt PubChem CID: 284 ChEBI: CHEBI:30751 IUPAC Name: formic acid SMILES: C(=O)O
| PubChem CID | 284 |
|---|---|
| CAS | 64-18-6 |
| Molecular Weight (g/mol) | 46.025 |
| ChEBI | CHEBI:30751 |
| SMILES | C(=O)O |
| Synonym | methanoic acid,formylic acid,aminic acid,bilorin,hydrogen carboxylic acid,formisoton,myrmicyl,formira,acide formique,collo-bueglatt |
| IUPAC Name | formic acid |
| InChI Key | BDAGIHXWWSANSR-UHFFFAOYSA-N |
| Molecular Formula | CH2O2 |
Hydrochloric acid, ACS reagent, ca. 37% solution in water
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 |
|---|---|
| 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 |
Hydrobromic acid, ACS reagent, ca. 48% solution in water
CAS: 10035-10-6 Molecular Formula: BrH Molecular Weight (g/mol): 80.91 MDL Number: MFCD00011323 InChI Key: CPELXLSAUQHCOX-UHFFFAOYSA-N Synonym: hydrogen bromide,hydrobromic acid,bromwasserstoff,broomwaterstof,bromowodor,acido bromidrico,acide bromhydrique,anhydrous hydrobromic acid,bromowodor polish,hydrobromide PubChem CID: 260 ChEBI: CHEBI:47266 IUPAC Name: hydrogen bromide SMILES: Br
| PubChem CID | 260 |
|---|---|
| CAS | 10035-10-6 |
| Molecular Weight (g/mol) | 80.91 |
| ChEBI | CHEBI:47266 |
| MDL Number | MFCD00011323 |
| SMILES | Br |
| Synonym | hydrogen bromide,hydrobromic acid,bromwasserstoff,broomwaterstof,bromowodor,acido bromidrico,acide bromhydrique,anhydrous hydrobromic acid,bromowodor polish,hydrobromide |
| IUPAC Name | hydrogen bromide |
| InChI Key | CPELXLSAUQHCOX-UHFFFAOYSA-N |
| Molecular Formula | BrH |
n-Butyric acid, 99+%
CAS: 107-92-6 Molecular Formula: C4H8O2 Molecular Weight (g/mol): 88.11 MDL Number: MFCD00002814 InChI Key: FERIUCNNQQJTOY-UHFFFAOYSA-N Synonym: butyric acid,n-butyric acid,n-butanoic acid,propylformic acid,ethylacetic acid,butanic acid,1-propanecarboxylic acid,butyrate,1-butyric acid,buttersaeure PubChem CID: 264 ChEBI: CHEBI:30772 IUPAC Name: butanoic acid SMILES: CCCC(O)=O
| PubChem CID | 264 |
|---|---|
| CAS | 107-92-6 |
| Molecular Weight (g/mol) | 88.11 |
| ChEBI | CHEBI:30772 |
| MDL Number | MFCD00002814 |
| SMILES | CCCC(O)=O |
| Synonym | butyric acid,n-butyric acid,n-butanoic acid,propylformic acid,ethylacetic acid,butanic acid,1-propanecarboxylic acid,butyrate,1-butyric acid,buttersaeure |
| IUPAC Name | butanoic acid |
| InChI Key | FERIUCNNQQJTOY-UHFFFAOYSA-N |
| Molecular Formula | C4H8O2 |
Metaphosphoric acid, stabilized
CAS: 37267-86-0 Molecular Formula: HO3P Molecular Weight (g/mol): 79.979 MDL Number: MFCD00011351 InChI Key: UEZVMMHDMIWARA-UHFFFAOYSA-N Synonym: metaphosphoric acid,meta-phosphoric acid,hydrogenphosphonate,m-phosphoric acid,phosphenic acid,unii-mtk99r3uv0,metaphosphoric acid hpo3,x-phosphate-group,phosphonate 1-,hydrogen phosphonate PubChem CID: 3084658 SMILES: OP(=O)=O
| PubChem CID | 3084658 |
|---|---|
| CAS | 37267-86-0 |
| Molecular Weight (g/mol) | 79.979 |
| MDL Number | MFCD00011351 |
| SMILES | OP(=O)=O |
| Synonym | metaphosphoric acid,meta-phosphoric acid,hydrogenphosphonate,m-phosphoric acid,phosphenic acid,unii-mtk99r3uv0,metaphosphoric acid hpo3,x-phosphate-group,phosphonate 1-,hydrogen phosphonate |
| InChI Key | UEZVMMHDMIWARA-UHFFFAOYSA-N |
| Molecular Formula | HO3P |
Formic acid, 97%, ACS reagent
CAS: 64-18-6 Molecular Formula: CH2O2 Molecular Weight (g/mol): 46.025 MDL Number: MFCD00003297 InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N Synonym: methanoic acid,formylic acid,aminic acid,bilorin,hydrogen carboxylic acid,formisoton,myrmicyl,formira,acide formique,collo-bueglatt PubChem CID: 284 ChEBI: CHEBI:30751 IUPAC Name: formic acid SMILES: C(=O)O
| PubChem CID | 284 |
|---|---|
| CAS | 64-18-6 |
| Molecular Weight (g/mol) | 46.025 |
| ChEBI | CHEBI:30751 |
| MDL Number | MFCD00003297 |
| SMILES | C(=O)O |
| Synonym | methanoic acid,formylic acid,aminic acid,bilorin,hydrogen carboxylic acid,formisoton,myrmicyl,formira,acide formique,collo-bueglatt |
| IUPAC Name | formic acid |
| InChI Key | BDAGIHXWWSANSR-UHFFFAOYSA-N |
| Molecular Formula | CH2O2 |
Periodic acid, 99+%, extra pure
CAS: 10450-60-9 Molecular Formula: H5IO6 Molecular Weight (g/mol): 227.94 MDL Number: MFCD00011344 InChI Key: TWLXDPFBEPBAQB-UHFFFAOYSA-N Synonym: orthoperiodic acid,periodic acid,tetrahydroxyiodous acid,acid, periodic,paraperiodic acid,pentahydroxy-l5-iodane oxide,unii-ak1d44l87g,pentahydroxidooxidoiodine,hexaoxoiodic 5-acid,periodic acid, cryst PubChem CID: 25289 ChEBI: CHEBI:29150 SMILES: O[I](O)(O)(O)(O)=O
| PubChem CID | 25289 |
|---|---|
| CAS | 10450-60-9 |
| Molecular Weight (g/mol) | 227.94 |
| ChEBI | CHEBI:29150 |
| MDL Number | MFCD00011344 |
| SMILES | O[I](O)(O)(O)(O)=O |
| Synonym | orthoperiodic acid,periodic acid,tetrahydroxyiodous acid,acid, periodic,paraperiodic acid,pentahydroxy-l5-iodane oxide,unii-ak1d44l87g,pentahydroxidooxidoiodine,hexaoxoiodic 5-acid,periodic acid, cryst |
| InChI Key | TWLXDPFBEPBAQB-UHFFFAOYSA-N |
| Molecular Formula | H5IO6 |
Chromosulfuric acid, Thermo Scientific Chemicals
CAS: 65272-71-1 Molecular Formula: Cr2K2O7·H2O4S Molecular Weight (g/mol): 200.237 MDL Number: MFCD00010952 InChI Key: IFMFTIBWWVBKOC-UHFFFAOYSA-L Synonym: absorbency linearity solution #2 24.28 mg/l inverted exclamation marka in hclo4, 25 ml PubChem CID: 131664149 IUPAC Name: dipotassium;chromium;dihydroxide;dihydrate SMILES: O.O.[OH-].[OH-].[K+].[K+].[Cr]
| PubChem CID | 131664149 |
|---|---|
| CAS | 65272-71-1 |
| Molecular Weight (g/mol) | 200.237 |
| MDL Number | MFCD00010952 |
| SMILES | O.O.[OH-].[OH-].[K+].[K+].[Cr] |
| Synonym | absorbency linearity solution #2 24.28 mg/l inverted exclamation marka in hclo4, 25 ml |
| IUPAC Name | dipotassium;chromium;dihydroxide;dihydrate |
| InChI Key | IFMFTIBWWVBKOC-UHFFFAOYSA-L |
| Molecular Formula | Cr2K2O7·H2O4S |
Formic acid, 88%, ACS reagent
CAS: 64-18-6 Molecular Formula: CH2O2 Molecular Weight (g/mol): 46.025 InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N Synonym: methanoic acid,formylic acid,aminic acid,bilorin,hydrogen carboxylic acid,formisoton,myrmicyl,formira,acide formique,collo-bueglatt PubChem CID: 284 ChEBI: CHEBI:30751 IUPAC Name: formic acid SMILES: C(=O)O
| PubChem CID | 284 |
|---|---|
| CAS | 64-18-6 |
| Molecular Weight (g/mol) | 46.025 |
| ChEBI | CHEBI:30751 |
| SMILES | C(=O)O |
| Synonym | methanoic acid,formylic acid,aminic acid,bilorin,hydrogen carboxylic acid,formisoton,myrmicyl,formira,acide formique,collo-bueglatt |
| IUPAC Name | formic acid |
| InChI Key | BDAGIHXWWSANSR-UHFFFAOYSA-N |
| Molecular Formula | CH2O2 |
Trifluoroacetic acid, 98%, Thermo Scientific™
CAS: 76-05-1 Molecular Formula: C2HF3O2 Molecular Weight (g/mol): 114.02 MDL Number: MFCD00004169 InChI Key: DTQVDTLACAAQTR-UHFFFAOYSA-N Synonym: TFA IUPAC Name: trifluoroacetic acid SMILES: OC(=O)C(F)(F)F
| CAS | 76-05-1 |
|---|---|
| Molecular Weight (g/mol) | 114.02 |
| MDL Number | MFCD00004169 |
| SMILES | OC(=O)C(F)(F)F |
| Synonym | TFA |
| IUPAC Name | trifluoroacetic acid |
| InChI Key | DTQVDTLACAAQTR-UHFFFAOYSA-N |
| Molecular Formula | C2HF3O2 |
Nitric acid, 70%, in water, Thermo Scientific™
CAS: 7697-37-2 Molecular Formula: HNO3 Molecular Weight (g/mol): 63.01 MDL Number: MFCD00011349 InChI Key: GRYLNZFGIOXLOG-UHFFFAOYSA-N IUPAC Name: nitric acid SMILES: O[N+]([O-])=O
| CAS | 7697-37-2 |
|---|---|
| Molecular Weight (g/mol) | 63.01 |
| MDL Number | MFCD00011349 |
| SMILES | O[N+]([O-])=O |
| IUPAC Name | nitric acid |
| InChI Key | GRYLNZFGIOXLOG-UHFFFAOYSA-N |
| Molecular Formula | HNO3 |
L(+)-Tartaric acid, disodium salt, dihydrate, 99+%, ACS reagent
CAS: 6106-24-7 Molecular Formula: C4H8Na2O8 Molecular Weight (g/mol): 230.08 MDL Number: MFCD00150035 InChI Key: FGJLAJMGHXGFDE-UDMGOBQRNA-L Synonym: unii-dia7c37aow,disodium tartrate dihydrate,disodium l-+-tartrate dihydrate,dia7c37aow,disodium +-tartrate dihydrate,sodium l-+-tartrate dihydrate,butanedioic acid, 2,3-dihydroxy-2r,3r-, disodium salt, dihydrate,disodium tartarate dihydrate,sodium tartrate nf,sodium tartrate dihydrate mi PubChem CID: 131855972 SMILES: O.O.[Na+].[Na+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
| PubChem CID | 131855972 |
|---|---|
| CAS | 6106-24-7 |
| Molecular Weight (g/mol) | 230.08 |
| MDL Number | MFCD00150035 |
| SMILES | O.O.[Na+].[Na+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O |
| Synonym | unii-dia7c37aow,disodium tartrate dihydrate,disodium l-+-tartrate dihydrate,dia7c37aow,disodium +-tartrate dihydrate,sodium l-+-tartrate dihydrate,butanedioic acid, 2,3-dihydroxy-2r,3r-, disodium salt, dihydrate,disodium tartarate dihydrate,sodium tartrate nf,sodium tartrate dihydrate mi |
| InChI Key | FGJLAJMGHXGFDE-UDMGOBQRNA-L |
| Molecular Formula | C4H8Na2O8 |
Azelaic acid, 98%
CAS: 123-99-9 Molecular Formula: C9H16O4 Molecular Weight (g/mol): 188.223 MDL Number: MFCD00004432 InChI Key: BDJRBEYXGGNYIS-UHFFFAOYSA-N Synonym: azelaic acid,finacea,anchoic acid,azelex,lepargylic acid,skinoren,1,7-heptanedicarboxylic acid,heptanedicarboxylic acid,1,9-nonanedioic acid,emerox 1110 PubChem CID: 2266 ChEBI: CHEBI:48131 IUPAC Name: nonanedioic acid SMILES: C(CCCC(=O)O)CCCC(=O)O
| PubChem CID | 2266 |
|---|---|
| CAS | 123-99-9 |
| Molecular Weight (g/mol) | 188.223 |
| ChEBI | CHEBI:48131 |
| MDL Number | MFCD00004432 |
| SMILES | C(CCCC(=O)O)CCCC(=O)O |
| Synonym | azelaic acid,finacea,anchoic acid,azelex,lepargylic acid,skinoren,1,7-heptanedicarboxylic acid,heptanedicarboxylic acid,1,9-nonanedioic acid,emerox 1110 |
| IUPAC Name | nonanedioic acid |
| InChI Key | BDJRBEYXGGNYIS-UHFFFAOYSA-N |
| Molecular Formula | C9H16O4 |