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
Salicylic acid, 99%, Thermo Scientific Chemicals
CAS: 69-72-7 Molecular Formula: C7H6O3 Molecular Weight (g/mol): 138.12 MDL Number: MFCD00002439 InChI Key: YGSDEFSMJLZEOE-UHFFFAOYSA-N Synonym: salicylic acid,o-hydroxybenzoic acid,2-carboxyphenol,o-carboxyphenol,rutranex,salonil,retarder w,keralyt,duoplant,freezone PubChem CID: 338 ChEBI: CHEBI:16914 IUPAC Name: 2-hydroxybenzoic acid SMILES: OC(=O)C1=CC=CC=C1O
PubChem CID | 338 |
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CAS | 69-72-7 |
Molecular Weight (g/mol) | 138.12 |
ChEBI | CHEBI:16914 |
MDL Number | MFCD00002439 |
SMILES | OC(=O)C1=CC=CC=C1O |
Synonym | salicylic acid,o-hydroxybenzoic acid,2-carboxyphenol,o-carboxyphenol,rutranex,salonil,retarder w,keralyt,duoplant,freezone |
IUPAC Name | 2-hydroxybenzoic acid |
InChI Key | YGSDEFSMJLZEOE-UHFFFAOYSA-N |
Molecular Formula | C7H6O3 |
Benzoic acid, 99%, Thermo Scientific Chemicals
CAS: 65-85-0 Molecular Formula: C7H6O2 Molecular Weight (g/mol): 122.123 MDL Number: MFCD00002398 InChI Key: WPYMKLBDIGXBTP-UHFFFAOYSA-N Synonym: benzenecarboxylic acid,dracylic acid,benzeneformic acid,carboxybenzene,phenylformic acid,benzenemethanoic acid,phenylcarboxylic acid,retardex,benzoesaeure gk,benzoesaeure gv PubChem CID: 243 ChEBI: CHEBI:30746 IUPAC Name: benzoic acid SMILES: C1=CC=C(C=C1)C(=O)O
PubChem CID | 243 |
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CAS | 65-85-0 |
Molecular Weight (g/mol) | 122.123 |
ChEBI | CHEBI:30746 |
MDL Number | MFCD00002398 |
SMILES | C1=CC=C(C=C1)C(=O)O |
Synonym | benzenecarboxylic acid,dracylic acid,benzeneformic acid,carboxybenzene,phenylformic acid,benzenemethanoic acid,phenylcarboxylic acid,retardex,benzoesaeure gk,benzoesaeure gv |
IUPAC Name | benzoic acid |
InChI Key | WPYMKLBDIGXBTP-UHFFFAOYSA-N |
Molecular Formula | C7H6O2 |
Formic acid, ACS, 96+%, Thermo Scientific Chemicals
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 |
Citric acid, 99+%, 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 |
Hydrochloric acid, 36% w/w aq. soln., Thermo Scientific Chemicals
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: hydrogen chloride 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 | hydrogen chloride |
InChI Key | VEXZGXHMUGYJMC-UHFFFAOYSA-N |
Molecular Formula | ClH |
Citric acid, anhydrous, ACS, 99.5+%, 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 |
Linear Formula | HO2CCO2H |
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Molecular Weight (g/mol) | 90.034 |
ChEBI | CHEBI:16995 |
Color | Colorless |
Physical Form | Liquid |
Chemical Name or Material | Oxalic acid |
SMILES | C(=O)(C(=O)O)O |
Concentration | 0.0998 to 0.1002N (20°C) |
Merck Index | 15, 7010 |
InChI Key | MUBZPKHOEPUJKR-UHFFFAOYSA-N |
Density | 0.9900g/mL |
PubChem CID | 971 |
CAS | 144-62-7 |
MDL Number | MFCD00002573 |
Packaging | Plastic bottle |
Solubility Information | Solubility in water: soluble in water. |
Synonym | ethanedioic acid,aktisal,aquisal,oxiric acid,oxalate,oxalsaeure,oxaalzuur,kyselina stavelova,acide oxalique,acido ossalico |
IUPAC Name | oxalic acid |
Beilstein | 02, 502 |
Molecular Formula | C2H2O4 |
Formula Weight | 90.04 |
Specific Gravity | 0.99 |
Linear Formula | HCl |
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Molecular Weight (g/mol) | 36.46 |
ChEBI | CHEBI:17883 |
InChI Key | VEXZGXHMUGYJMC-UHFFFAOYSA-N |
Density | 0.9090g/mL |
PubChem CID | 313 |
Name Note | 5 to 6N solution in 2-propanol |
Formula Weight | 36.45 |
Color | Colorless to Yellow |
Physical Form | Liquid |
Chemical Name or Material | Hydrochloric acid |
SMILES | Cl |
Merck Index | 14, 4794 |
Concentration | 5N min. |
CAS | 67-63-0 |
Health Hazard 3 | GHS P Statement: Wear eye protection/face protection. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Avoid breathing dust/fume/gas/mist/vapors/spray. 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: Causes severe skin burns and eye damage. May cause drowsiness or dizziness. Harmful if inhaled. Highly flammable liquid and vapor. |
Solubility Information | Solubility in water: >1000g/L (20°C). Other solubilities: soluble in methanol, ethanol, 2-propanol: >50g/L |
Flash Point | 11°C |
Packaging | AcroSeal™ 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 |
IUPAC Name | chlorane |
Molecular Formula | ClH |
Specific Gravity | 0.909 |
Formic acid, 99%, for analysis, Thermo Scientific Chemicals
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 |
Hydrochloric acid, ACS reagent, ca. 37% solution in water, Thermo Scientific Chemicals
CAS: 7647-01-0,7732-18-5 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 | 7647-01-0,7732-18-5 |
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 |
Trifluoroacetic acid, HPLC Grade, 99.5+%, Thermo Scientific Chemicals
CAS: 76-05-1 Molecular Formula: C2HF3O2 Molecular Weight (g/mol): 114.02 MDL Number: MFCD00004169 InChI Key: DTQVDTLACAAQTR-UHFFFAOYSA-N Synonym: trifluoroacetic acid,perfluoroacetic acid,trifluoroethanoic acid,trifluoroacetic acid,acetic acid, trifluoro,trifluoroaceticacid,cf3cooh,trifluoro acetic acid,trifluoro-acetic acid,kyselina trifluoroctova PubChem CID: 6422 ChEBI: CHEBI:45892 IUPAC Name: 2,2,2-trifluoroacetic acid SMILES: OC(=O)C(F)(F)F
PubChem CID | 6422 |
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CAS | 76-05-1 |
Molecular Weight (g/mol) | 114.02 |
ChEBI | CHEBI:45892 |
MDL Number | MFCD00004169 |
SMILES | OC(=O)C(F)(F)F |
Synonym | trifluoroacetic acid,perfluoroacetic acid,trifluoroethanoic acid,trifluoroacetic acid,acetic acid, trifluoro,trifluoroaceticacid,cf3cooh,trifluoro acetic acid,trifluoro-acetic acid,kyselina trifluoroctova |
IUPAC Name | 2,2,2-trifluoroacetic acid |
InChI Key | DTQVDTLACAAQTR-UHFFFAOYSA-N |
Molecular Formula | C2HF3O2 |
Phosphoric acid, ACS reagent, 85+% solution in water, 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 |
Formic acid, 98+%, pure, Thermo Scientific Chemicals
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 |
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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 |
Hydrofluoric acid, for analysis, 48 to 51% solution in water, Thermo Scientific Chemicals
CAS: 7664-39-3 Molecular Formula: FH Molecular Weight (g/mol): 20.01 MDL Number: MFCD00011346 InChI Key: KRHYYFGTRYWZRS-UHFFFAOYSA-N Synonym: hydrofluoric acid,hydrogen fluoride,fluorhydric acid,hydrofluoride,rubigine,fluorwasserstoff,hydrogen-fluoride,antisal 2b,fluorowodor polish,caswell no. 484 PubChem CID: 14917 ChEBI: CHEBI:29228 IUPAC Name: hydrogen fluoride SMILES: F
PubChem CID | 14917 |
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CAS | 7664-39-3 |
Molecular Weight (g/mol) | 20.01 |
ChEBI | CHEBI:29228 |
MDL Number | MFCD00011346 |
SMILES | F |
Synonym | hydrofluoric acid,hydrogen fluoride,fluorhydric acid,hydrofluoride,rubigine,fluorwasserstoff,hydrogen-fluoride,antisal 2b,fluorowodor polish,caswell no. 484 |
IUPAC Name | hydrogen fluoride |
InChI Key | KRHYYFGTRYWZRS-UHFFFAOYSA-N |
Molecular Formula | FH |