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
L(-)-Malic acid, 99%
CAS: 97-67-6 Molecular Formula: C4H6O5 Molecular Weight (g/mol): 134.087 MDL Number: MFCD00064213 InChI Key: BJEPYKJPYRNKOW-REOHCLBHSA-N Synonym: l-malic acid,l---malic acid,s-2-hydroxysuccinic acid,2s-2-hydroxybutanedioic acid,l--malic acid,apple acid,--malic acid,l-apple acid,s-malic acid,s-2-hydroxybutanedioic acid PubChem CID: 222656 ChEBI: CHEBI:30797 IUPAC Name: (2S)-2-hydroxybutanedioic acid SMILES: C(C(C(=O)O)O)C(=O)O
| PubChem CID | 222656 |
|---|---|
| CAS | 97-67-6 |
| Molecular Weight (g/mol) | 134.087 |
| ChEBI | CHEBI:30797 |
| MDL Number | MFCD00064213 |
| SMILES | C(C(C(=O)O)O)C(=O)O |
| Synonym | l-malic acid,l---malic acid,s-2-hydroxysuccinic acid,2s-2-hydroxybutanedioic acid,l--malic acid,apple acid,--malic acid,l-apple acid,s-malic acid,s-2-hydroxybutanedioic acid |
| IUPAC Name | (2S)-2-hydroxybutanedioic acid |
| InChI Key | BJEPYKJPYRNKOW-REOHCLBHSA-N |
| Molecular Formula | C4H6O5 |
Citric acid, 99%, pure, anhydrous
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 |
|---|---|
| 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 |
Oxalic acid dihydrate, 99.5+%, ACS reagent
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 |
|---|---|
| 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 |
Citric acid monohydrate, 99.5%, for analysis
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 |
|---|---|
| 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 |
Gallic acid, 98%
CAS: 149-91-7 Molecular Formula: C7H6O5 Molecular Weight (g/mol): 170.12 MDL Number: MFCD00002510 InChI Key: LNTHITQWFMADLM-UHFFFAOYSA-N Synonym: gallic acid,gallate,benzoic acid, 3,4,5-trihydroxy,gallic acid, tech.,galop,pyrogallol-5-carboxylic acid,kyselina gallova,3,4,5-trihydroxybenzoate,ccris 5523,kyselina gallova czech PubChem CID: 370 ChEBI: CHEBI:30778 IUPAC Name: 3,4,5-trihydroxybenzoic acid SMILES: OC(=O)C1=CC(O)=C(O)C(O)=C1
| PubChem CID | 370 |
|---|---|
| CAS | 149-91-7 |
| Molecular Weight (g/mol) | 170.12 |
| ChEBI | CHEBI:30778 |
| MDL Number | MFCD00002510 |
| SMILES | OC(=O)C1=CC(O)=C(O)C(O)=C1 |
| Synonym | gallic acid,gallate,benzoic acid, 3,4,5-trihydroxy,gallic acid, tech.,galop,pyrogallol-5-carboxylic acid,kyselina gallova,3,4,5-trihydroxybenzoate,ccris 5523,kyselina gallova czech |
| IUPAC Name | 3,4,5-trihydroxybenzoic acid |
| InChI Key | LNTHITQWFMADLM-UHFFFAOYSA-N |
| Molecular Formula | C7H6O5 |
Succinic acid, 99%
CAS: 110-15-6 Molecular Formula: C4H6O4 Molecular Weight (g/mol): 118.09 MDL Number: MFCD00002789 InChI Key: KDYFGRWQOYBRFD-UHFFFAOYSA-N Synonym: succinic acid,amber acid,asuccin,dihydrofumaric acid,bernsteinsaure,katasuccin,wormwood acid,succinate,ethylenesuccinic acid,1,2-ethanedicarboxylic acid PubChem CID: 1110 ChEBI: CHEBI:15741 IUPAC Name: butanedioic acid SMILES: OC(=O)CCC(O)=O
| PubChem CID | 1110 |
|---|---|
| CAS | 110-15-6 |
| Molecular Weight (g/mol) | 118.09 |
| ChEBI | CHEBI:15741 |
| MDL Number | MFCD00002789 |
| SMILES | OC(=O)CCC(O)=O |
| Synonym | succinic acid,amber acid,asuccin,dihydrofumaric acid,bernsteinsaure,katasuccin,wormwood acid,succinate,ethylenesuccinic acid,1,2-ethanedicarboxylic acid |
| IUPAC Name | butanedioic acid |
| InChI Key | KDYFGRWQOYBRFD-UHFFFAOYSA-N |
| Molecular Formula | C4H6O4 |
Formic Acid, 99.0+%, Optima™ LC/MS Grade, Fisher Chemical™
CAS: 64-18-6 Molecular Formula: CH2O2 MDL Number: 3297 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
| PubChem CID | 284 |
|---|---|
| CAS | 64-18-6 |
| ChEBI | CHEBI:30751 |
| MDL Number | 3297 |
| 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 |
Hydriodic acid, for analysis, 57 wt.% aqueous solution, distilled, stabilized
CAS: 10034-85-2 Molecular Formula: HI Molecular Weight (g/mol): 127.91 MDL Number: MFCD00011347 InChI Key: XMBWDFGMSWQBCA-UHFFFAOYSA-N IUPAC Name: hydrogen iodide SMILES: I
| CAS | 10034-85-2 |
|---|---|
| Molecular Weight (g/mol) | 127.91 |
| MDL Number | MFCD00011347 |
| SMILES | I |
| IUPAC Name | hydrogen iodide |
| InChI Key | XMBWDFGMSWQBCA-UHFFFAOYSA-N |
| Molecular Formula | HI |
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 |
Hydriodic acid, ACS reagent, 55% in water, without stabilizer
CAS: 10034-85-2 Molecular Formula: HI Molecular Weight (g/mol): 127.91
| CAS | 10034-85-2 |
|---|---|
| Molecular Weight (g/mol) | 127.91 |
| Molecular Formula | HI |
Hydriodic acid, for analysis, 57 wt.% aqueous solution, distilled, unstabilized
CAS: 10034-85-2 Molecular Formula: HI Molecular Weight (g/mol): 127.91 MDL Number: MFCD00011347 InChI Key: XMBWDFGMSWQBCA-UHFFFAOYSA-N IUPAC Name: hydrogen iodide SMILES: I
| CAS | 10034-85-2 |
|---|---|
| Molecular Weight (g/mol) | 127.91 |
| MDL Number | MFCD00011347 |
| SMILES | I |
| IUPAC Name | hydrogen iodide |
| InChI Key | XMBWDFGMSWQBCA-UHFFFAOYSA-N |
| Molecular Formula | HI |
Oxalic acid, 98%, anhydrous
CAS: 144-62-7 Molecular Formula: C2H2O4 Molecular Weight (g/mol): 90.034 MDL Number: MFCD00002573 InChI Key: MUBZPKHOEPUJKR-UHFFFAOYSA-N Synonym: ethanedioic acid,aktisal,aquisal,oxiric acid,oxalate,oxalsaeure,oxaalzuur,kyselina stavelova,acide oxalique,acido ossalico PubChem CID: 971 ChEBI: CHEBI:16995 IUPAC Name: oxalic acid SMILES: C(=O)(C(=O)O)O
| PubChem CID | 971 |
|---|---|
| CAS | 144-62-7 |
| Molecular Weight (g/mol) | 90.034 |
| ChEBI | CHEBI:16995 |
| MDL Number | MFCD00002573 |
| SMILES | C(=O)(C(=O)O)O |
| Synonym | ethanedioic acid,aktisal,aquisal,oxiric acid,oxalate,oxalsaeure,oxaalzuur,kyselina stavelova,acide oxalique,acido ossalico |
| IUPAC Name | oxalic acid |
| InChI Key | MUBZPKHOEPUJKR-UHFFFAOYSA-N |
| Molecular Formula | C2H2O4 |
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 |
Boric Acid (Crystalline/Electrophoresis), Fisher BioReagents
CAS: 10043-35-3 Molecular Formula: BH3O3 Molecular Weight (g/mol): 61.83 MDL Number: MFCD00011337 InChI Key: KGBXLFKZBHKPEV-UHFFFAOYSA-N Synonym: orthoboric acid,boracic acid,borofax,boron hydroxide,boron trihydroxide,three elephant,basilit b,trihydroxyborone,h3bo3,flea prufe PubChem CID: 7628 ChEBI: CHEBI:33118 IUPAC Name: boric acid SMILES: OB(O)O
| PubChem CID | 7628 |
|---|---|
| CAS | 10043-35-3 |
| Molecular Weight (g/mol) | 61.83 |
| ChEBI | CHEBI:33118 |
| MDL Number | MFCD00011337 |
| SMILES | OB(O)O |
| Synonym | orthoboric acid,boracic acid,borofax,boron hydroxide,boron trihydroxide,three elephant,basilit b,trihydroxyborone,h3bo3,flea prufe |
| IUPAC Name | boric acid |
| InChI Key | KGBXLFKZBHKPEV-UHFFFAOYSA-N |
| Molecular Formula | BH3O3 |
| Linear Formula | HCl |
|---|---|
| Molecular Weight (g/mol) | 36.46 |
| ChEBI | CHEBI:17883 |
| InChI Key | VEXZGXHMUGYJMC-UHFFFAOYSA-N |
| Density | 0.7400g/mL |
| PubChem CID | 313 |
| Name Note | 2N solution in diethyl ether |
| Fieser | 04,450; 05,533; 06,283 |
| Formula Weight | 36.45 |
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | Hydrochloric acid |
| Grade | Pure |
| SMILES | Cl |
| Merck Index | 10, 4701 |
| Concentration | 1.90 to 2.20N |
| CAS | 60-29-7 |
| Health Hazard 3 | GHS P Statement: Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Do not breathe dust/fume/gas/mist/vapors/spray. Wash face, hands and any exposed skin thoroughly after handling. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification. |
| MDL Number | MFCD00011324 MFCD00792839 |
| Health Hazard 2 | GHS H Statement: Harmful if swallowed. Harmful if inhaled. Causes severe skin burns and eye damage. May cause drowsiness or dizziness. Extremely flammable liquid and vapor. May form explosive peroxides. Repeated exposure may cause skin dryness or cracking. |
| Solubility Information | Solubility in water: soluble. Other solubilities: soluble in most organic solvents |
| Flash Point | −40°C |
| Health Hazard 1 | GHS Signal Word: Danger |
| 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 |
| Specific Gravity | 0.74 |