
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

Hydrochloric acid solution, Volumetric, Reag. Ph. Eur., 0.1 M HCl (0.1N), Honeywell Fluka™
CAS: 7732-18-5,7647-01-0 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 | 7732-18-5,7647-01-0 |
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 |
Diglycolic acid, 98%
CAS: 110-99-6 Molecular Formula: C4H6O5 Molecular Weight (g/mol): 134.09 MDL Number: MFCD00004309 InChI Key: QEVGZEDELICMKH-UHFFFAOYSA-N Synonym: diglycolic acid,2,2'-oxydiacetic acid,oxydiacetic acid,acetic acid, 2,2'-oxybis,oxybisacetic acid,oxydiethanolic acid,diglycolicacid,bis carboxymethyl ether,oxodiacetic acid,3-oxapentanedioic acid PubChem CID: 8088 IUPAC Name: 2-(carboxymethoxy)acetic acid SMILES: OC(=O)COCC(O)=O

PubChem CID | 8088 |
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CAS | 110-99-6 |
Molecular Weight (g/mol) | 134.09 |
MDL Number | MFCD00004309 |
SMILES | OC(=O)COCC(O)=O |
Synonym | diglycolic acid,2,2'-oxydiacetic acid,oxydiacetic acid,acetic acid, 2,2'-oxybis,oxybisacetic acid,oxydiethanolic acid,diglycolicacid,bis carboxymethyl ether,oxodiacetic acid,3-oxapentanedioic acid |
IUPAC Name | 2-(carboxymethoxy)acetic acid |
InChI Key | QEVGZEDELICMKH-UHFFFAOYSA-N |
Molecular Formula | C4H6O5 |
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 |
Phthalic acid, 99%
CAS: 88-99-3 Molecular Formula: C8H6O4 Molecular Weight (g/mol): 166.132 MDL Number: MFCD00002467 InChI Key: XNGIFLGASWRNHJ-UHFFFAOYSA-N Synonym: 1,2-benzenedicarboxylic acid,benzene-1,2-dicarboxylic acid,o-phthalic acid,o-dicarboxybenzene,o-benzenedicarboxylic acid,pathalic acid,acide phtalique,kyselina ftalova,ortho-phthalic acid,phthalicacid PubChem CID: 1017 ChEBI: CHEBI:29069 IUPAC Name: phthalic acid SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)O

PubChem CID | 1017 |
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CAS | 88-99-3 |
Molecular Weight (g/mol) | 166.132 |
ChEBI | CHEBI:29069 |
MDL Number | MFCD00002467 |
SMILES | C1=CC=C(C(=C1)C(=O)O)C(=O)O |
Synonym | 1,2-benzenedicarboxylic acid,benzene-1,2-dicarboxylic acid,o-phthalic acid,o-dicarboxybenzene,o-benzenedicarboxylic acid,pathalic acid,acide phtalique,kyselina ftalova,ortho-phthalic acid,phthalicacid |
IUPAC Name | phthalic acid |
InChI Key | XNGIFLGASWRNHJ-UHFFFAOYSA-N |
Molecular Formula | C8H6O4 |
L(+)-Tartaric acid, 99+%
CAS: 87-69-4 Molecular Formula: C4H6O6 Molecular Weight (g/mol): 150.09 MDL Number: MFCD00064207 InChI Key: FEWJPZIEWOKRBE-UHFFFAOYNA-N Synonym: l-tartaric acid,l-+-tartaric acid,l +-tartaric acid,2r,3r-2,3-dihydroxysuccinic acid,tartaric acid,2r,3r-2,3-dihydroxybutanedioic acid,r,r-tartaric acid,+-l-tartaric acid,dextrotartaric acid,l-threaric acid PubChem CID: 444305 ChEBI: CHEBI:15671 SMILES: OC(C(O)C(O)=O)C(O)=O

PubChem CID | 444305 |
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CAS | 87-69-4 |
Molecular Weight (g/mol) | 150.09 |
ChEBI | CHEBI:15671 |
MDL Number | MFCD00064207 |
SMILES | OC(C(O)C(O)=O)C(O)=O |
Synonym | l-tartaric acid,l-+-tartaric acid,l +-tartaric acid,2r,3r-2,3-dihydroxysuccinic acid,tartaric acid,2r,3r-2,3-dihydroxybutanedioic acid,r,r-tartaric acid,+-l-tartaric acid,dextrotartaric acid,l-threaric acid |
InChI Key | FEWJPZIEWOKRBE-UHFFFAOYNA-N |
Molecular Formula | C4H6O6 |
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 |
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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 |
Sulfuric acid, 2N Solution, Macron Fine Chemicals™
CAS: 7664-93-9 Molecular Formula: H2O4S Molecular Weight (g/mol): 98.07 MDL Number: MFCD00064589 InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N Synonym: oil of vitriol,sulphuric acid,dihydrogen sulfate,mattling acid,battery acid,dipping acid,acide sulfurique,electrolyte acid,acidum sulfuricum,vitriol brown oil PubChem CID: 1118 ChEBI: CHEBI:26836 IUPAC Name: sulfuric acid SMILES: OS(O)(=O)=O

PubChem CID | 1118 |
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CAS | 7664-93-9 |
Molecular Weight (g/mol) | 98.07 |
ChEBI | CHEBI:26836 |
MDL Number | MFCD00064589 |
SMILES | OS(O)(=O)=O |
Synonym | oil of vitriol,sulphuric acid,dihydrogen sulfate,mattling acid,battery acid,dipping acid,acide sulfurique,electrolyte acid,acidum sulfuricum,vitriol brown oil |
IUPAC Name | sulfuric acid |
InChI Key | QAOWNCQODCNURD-UHFFFAOYSA-N |
Molecular Formula | H2O4S |
Isobutyric Acid, 99+%
CAS: 79-31-2 Molecular Formula: C4H8O2 Molecular Weight (g/mol): 88.11 MDL Number: MFCD00002658 InChI Key: KQNPFQTWMSNSAP-UHFFFAOYSA-N Synonym: isobutyric acid,isobutanoic acid,2-methylpropionic acid,propanoic acid, 2-methyl,dimethylacetic acid,isopropylformic acid,iso-butyric acid,isobutyrate,cenex rp b2,acetic acid, dimethyl PubChem CID: 6590 ChEBI: CHEBI:16135 IUPAC Name: 2-methylpropanoic acid SMILES: CC(C)C(O)=O

PubChem CID | 6590 |
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CAS | 79-31-2 |
Molecular Weight (g/mol) | 88.11 |
ChEBI | CHEBI:16135 |
MDL Number | MFCD00002658 |
SMILES | CC(C)C(O)=O |
Synonym | isobutyric acid,isobutanoic acid,2-methylpropionic acid,propanoic acid, 2-methyl,dimethylacetic acid,isopropylformic acid,iso-butyric acid,isobutyrate,cenex rp b2,acetic acid, dimethyl |
IUPAC Name | 2-methylpropanoic acid |
InChI Key | KQNPFQTWMSNSAP-UHFFFAOYSA-N |
Molecular Formula | C4H8O2 |
Phosphomolybdic acid hydrate, 80%
CAS: 51429-74-4 Molecular Formula: H3Mo12O40P Molecular Weight (g/mol): 1825.40 MDL Number: MFCD00149913 InChI Key: FEFSFHGZSNHJEL-UHFFFAOYSA-N Synonym: Molybdophosphoric acid IUPAC Name: phosphoric acid dodecamolybdenum hexatriacontaoxidandiide SMILES: [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].OP(O)(O)=O

CAS | 51429-74-4 |
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Molecular Weight (g/mol) | 1825.40 |
MDL Number | MFCD00149913 |
SMILES | [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].OP(O)(O)=O |
Synonym | Molybdophosphoric acid |
IUPAC Name | phosphoric acid dodecamolybdenum hexatriacontaoxidandiide |
InChI Key | FEFSFHGZSNHJEL-UHFFFAOYSA-N |
Molecular Formula | H3Mo12O40P |
Sulfuric acid, 96%, extra pure, solution in water

CAS: 7664-93-9 Molecular Formula: H2O4S Molecular Weight (g/mol): 98.07 MDL Number: MFCD00064589 InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N Synonym: oil of vitriol,sulphuric acid,dihydrogen sulfate,mattling acid,battery acid,dipping acid,acide sulfurique,electrolyte acid,acidum sulfuricum,vitriol brown oil PubChem CID: 1118 ChEBI: CHEBI:26836 IUPAC Name: sulfuric acid SMILES: OS(O)(=O)=O

PubChem CID | 1118 |
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CAS | 7664-93-9 |
Molecular Weight (g/mol) | 98.07 |
ChEBI | CHEBI:26836 |
MDL Number | MFCD00064589 |
SMILES | OS(O)(=O)=O |
Synonym | oil of vitriol,sulphuric acid,dihydrogen sulfate,mattling acid,battery acid,dipping acid,acide sulfurique,electrolyte acid,acidum sulfuricum,vitriol brown oil |
IUPAC Name | sulfuric acid |
InChI Key | QAOWNCQODCNURD-UHFFFAOYSA-N |
Molecular Formula | H2O4S |
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 |
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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, Eluent additive for LC-MS, Honeywell Fluka™
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 |
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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 |
Sulfuric Acid, 1N Volumetric Solution, BAKER ANALYZED™ Reagent, J.T. Baker™
CAS: 7664-93-9 Molecular Formula: H2O4S Molecular Weight (g/mol): 98.07 MDL Number: MFCD00064589 InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N Synonym: oil of vitriol,sulphuric acid,dihydrogen sulfate,mattling acid,battery acid,dipping acid,acide sulfurique,electrolyte acid,acidum sulfuricum,vitriol brown oil PubChem CID: 1118 ChEBI: CHEBI:26836 IUPAC Name: sulfuric acid SMILES: OS(O)(=O)=O

PubChem CID | 1118 |
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CAS | 7664-93-9 |
Molecular Weight (g/mol) | 98.07 |
ChEBI | CHEBI:26836 |
MDL Number | MFCD00064589 |
SMILES | OS(O)(=O)=O |
Synonym | oil of vitriol,sulphuric acid,dihydrogen sulfate,mattling acid,battery acid,dipping acid,acide sulfurique,electrolyte acid,acidum sulfuricum,vitriol brown oil |
IUPAC Name | sulfuric acid |
InChI Key | QAOWNCQODCNURD-UHFFFAOYSA-N |
Molecular Formula | H2O4S |
Acetic Acid, Glacial, Aldehyde Free, BAKER ANALYZED™ A.C.S. Reagent, J.T. Baker™
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 |
Linear Formula | HCl |
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Molecular Weight (g/mol) | 36.46 |
ChEBI | CHEBI:17883 |
UN Number | 2924 |
InChI Key | VEXZGXHMUGYJMC-UHFFFAOYSA-N |
Density | 1.1000g/mL |
PubChem CID | 313 |
Name Note | 4N Solution in 1, 4-dioxane/water |
Fieser | 04,450; 05,533; 06,283 |
Formula Weight | 36.45 |
Color | Colorless to Yellow |
Physical Form | Liquid |
Chemical Name or Material | Hydrochloric acid |
SMILES | Cl |
Merck Index | 15, 4818 |
Concentration | 3.95 to 4.40N |
CAS | 123-91-1 |
Health Hazard 3 | GHS P Statement: Wear 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. IF SWALLOWED: rinse mouth. Do NOT induce vomiting. Immediately call a POISON CENTER or doctor/physician. Use personal protective equipment as required. Avoid breathing dust/fume/gas/mist/vapors/spray. Keep container tightly closed. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. 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. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Ground/Bond container and receiving equipment. 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: Suspected of causing cancer. May cause respiratory irritation. Causes serious eye irritation. Causes skin irritation. Highly flammable liquid and vapor. May form explosive peroxides. Repeated exposure may cause skin dryness or cracking. |
Flash Point | 12°C |
Packaging | Glass bottle |
Health Hazard 1 | 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 | 1.1 |