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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.

Organic Acids (43)
Inorganic Acids (6)

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1 – 15 of 29 results
1

Trifluoroacetic Acid, 99+%, for HPLC, Fisher Chemical™

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 SMILES: OC(=O)C(F)(F)F

PubChem CID 6422
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
InChI Key DTQVDTLACAAQTR-UHFFFAOYSA-N
Molecular Formula C2HF3O2
2

Acetic Acid, Glacial (HPLC), Fisher Chemical™

CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.05 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N IUPAC Name: acetic acid SMILES: CC(O)=O

Promotions are available
CAS 64-19-7
Molecular Weight (g/mol) 60.05
MDL Number MFCD00036152
SMILES CC(O)=O
IUPAC Name acetic acid
InChI Key QTBSBXVTEAMEQO-UHFFFAOYSA-N
Molecular Formula C2H4O2
3

Phosphoric acid, for HPLC, Thermo Scientific Chemicals

CAS: 7664-38-2 Molecular Formula: H3O4P Molecular Weight (g/mol): 97.99 InChI Key: NBIIXXVUZAFLBC-UHFFFAOYSA-N IUPAC Name: phosphoric acid SMILES: OP(O)(O)=O

Promotions are available
CAS 7664-38-2
Molecular Weight (g/mol) 97.99
SMILES OP(O)(O)=O
IUPAC Name phosphoric acid
InChI Key NBIIXXVUZAFLBC-UHFFFAOYSA-N
Molecular Formula H3O4P
4

Trifluoroacetic acid, 99+%, for HPLC, 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
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
5

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
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
7

Acetic acid, sodium salt trihydrate, for HPLC, Thermo Scientific Chemicals

CAS: 6131-90-4 Molecular Formula: C2H9NaO5 Molecular Weight (g/mol): 136.08 InChI Key: AYRVGWHSXIMRAB-UHFFFAOYSA-M IUPAC Name: sodium acetate trihydrate SMILES: O.O.O.[Na+].CC([O-])=O

CAS 6131-90-4
Molecular Weight (g/mol) 136.08
SMILES O.O.O.[Na+].CC([O-])=O
IUPAC Name sodium acetate trihydrate
InChI Key AYRVGWHSXIMRAB-UHFFFAOYSA-M
Molecular Formula C2H9NaO5
8

Acetic acid, ammonium salt, Thermo Scientific Chemicals

CAS: 631-61-8 Molecular Formula: C2H7NO2 Molecular Weight (g/mol): 77.083 InChI Key: USFZMSVCRYTOJT-UHFFFAOYSA-N Synonym: ammonium acetate,acetic acid, ammonium salt,azanium acetate,ammoniumacetate,acetic acid ammonium salt,ammonium ethanoate,unii-rre756s6q2,aconh4,ch3coonh4,ch3co2nh4 PubChem CID: 517165 ChEBI: CHEBI:62947 IUPAC Name: azanium;acetate SMILES: CC(=O)[O-].[NH4+]

PubChem CID 517165
CAS 631-61-8
Molecular Weight (g/mol) 77.083
ChEBI CHEBI:62947
SMILES CC(=O)[O-].[NH4+]
Synonym ammonium acetate,acetic acid, ammonium salt,azanium acetate,ammoniumacetate,acetic acid ammonium salt,ammonium ethanoate,unii-rre756s6q2,aconh4,ch3coonh4,ch3co2nh4
IUPAC Name azanium;acetate
InChI Key USFZMSVCRYTOJT-UHFFFAOYSA-N
Molecular Formula C2H7NO2
9

Phosphoric acid, for HPLC, Honeywell Fluka™

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
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
10

Pamoic acid, 99%, Thermo Scientific Chemicals

CAS: 130-85-8 Molecular Formula: C23H16O6 Molecular Weight (g/mol): 388.38 MDL Number: MFCD00004079 InChI Key: WLJNZVDCPSBLRP-UHFFFAOYSA-N Synonym: pamoic acid,embonic acid,4,4'-methylenebis 3-hydroxy-2-naphthoic acid,pamosaeure,unii-7rrq8qz38n,2-naphthalenecarboxylic acid, 4,4'-methylenebis 3-hydroxy,7rrq8qz38n,pamoic acid 98+% hplc,4,4'-methylen-bis-3-hydroxy-2-naphthoesaeure PubChem CID: 8546 ChEBI: CHEBI:50186 IUPAC Name: 4-[(3-carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid SMILES: OC(=O)C1=C(O)C(CC2=C3C=CC=CC3=CC(C(O)=O)=C2O)=C2C=CC=CC2=C1

PubChem CID 8546
CAS 130-85-8
Molecular Weight (g/mol) 388.38
ChEBI CHEBI:50186
MDL Number MFCD00004079
SMILES OC(=O)C1=C(O)C(CC2=C3C=CC=CC3=CC(C(O)=O)=C2O)=C2C=CC=CC2=C1
Synonym pamoic acid,embonic acid,4,4'-methylenebis 3-hydroxy-2-naphthoic acid,pamosaeure,unii-7rrq8qz38n,2-naphthalenecarboxylic acid, 4,4'-methylenebis 3-hydroxy,7rrq8qz38n,pamoic acid 98+% hplc,4,4'-methylen-bis-3-hydroxy-2-naphthoesaeure
IUPAC Name 4-[(3-carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid
InChI Key WLJNZVDCPSBLRP-UHFFFAOYSA-N
Molecular Formula C23H16O6
11

Pamoic acid, 98+%, Thermo Scientific Chemicals

CAS: 130-85-8 Molecular Formula: C23H16O6 Molecular Weight (g/mol): 388.38 MDL Number: MFCD00004079 InChI Key: WLJNZVDCPSBLRP-UHFFFAOYSA-N Synonym: pamoic acid,embonic acid,4,4'-methylenebis 3-hydroxy-2-naphthoic acid,pamosaeure,unii-7rrq8qz38n,2-naphthalenecarboxylic acid, 4,4'-methylenebis 3-hydroxy,7rrq8qz38n,pamoic acid 98+% hplc,4,4'-methylen-bis-3-hydroxy-2-naphthoesaeure PubChem CID: 8546 ChEBI: CHEBI:50186 IUPAC Name: 4-[(3-carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid SMILES: OC(=O)C1=C(O)C(CC2=C3C=CC=CC3=CC(C(O)=O)=C2O)=C2C=CC=CC2=C1

PubChem CID 8546
CAS 130-85-8
Molecular Weight (g/mol) 388.38
ChEBI CHEBI:50186
MDL Number MFCD00004079
SMILES OC(=O)C1=C(O)C(CC2=C3C=CC=CC3=CC(C(O)=O)=C2O)=C2C=CC=CC2=C1
Synonym pamoic acid,embonic acid,4,4'-methylenebis 3-hydroxy-2-naphthoic acid,pamosaeure,unii-7rrq8qz38n,2-naphthalenecarboxylic acid, 4,4'-methylenebis 3-hydroxy,7rrq8qz38n,pamoic acid 98+% hplc,4,4'-methylen-bis-3-hydroxy-2-naphthoesaeure
IUPAC Name 4-[(3-carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid
InChI Key WLJNZVDCPSBLRP-UHFFFAOYSA-N
Molecular Formula C23H16O6
12

Trifluoroacetic Acid, HPLC Grade, J.T. Baker™

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: trifluoroacetic acid SMILES: OC(=O)C(F)(F)F

PubChem CID 6422
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 trifluoroacetic acid
InChI Key DTQVDTLACAAQTR-UHFFFAOYSA-N
Molecular Formula C2HF3O2
14

Formic Acid Solution, 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
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