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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 (45)
Inorganic Acids (2)

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2

Iodic acid, 99%

CAS: 7782-68-5 Molecular Formula: ILiO3 Molecular Weight (g/mol): 181.84 MDL Number: MFCD00011348 InChI Key: FZAXZVHFYFGNBX-UHFFFAOYSA-M PubChem CID: 24345 ChEBI: CHEBI:24857 IUPAC Name: lithium(1+) iodate SMILES: [Li+].[O-][I](=O)=O

PubChem CID 24345
CAS 7782-68-5
Molecular Weight (g/mol) 181.84
ChEBI CHEBI:24857
MDL Number MFCD00011348
SMILES [Li+].[O-][I](=O)=O
IUPAC Name lithium(1+) iodate
InChI Key FZAXZVHFYFGNBX-UHFFFAOYSA-M
Molecular Formula ILiO3
3

DL-Malic acid, 98%

EDGE
5

Glycolic acid, 99%

CAS: 79-14-1 Molecular Formula: C2H4O3 Molecular Weight (g/mol): 76.051 InChI Key: AEMRFAOFKBGASW-UHFFFAOYSA-N Synonym: glycolic acid,hydroxyacetic acid,glycollic acid,hydroxyethanoic acid,acetic acid, hydroxy,glycolate,caswell no. 470,alpha-hydroxyacetic acid,kyselina glykolova,kyselina glykolova czech PubChem CID: 757 ChEBI: CHEBI:17497 IUPAC Name: 2-hydroxyacetic acid SMILES: C(C(=O)O)O

PubChem CID 757
CAS 79-14-1
Molecular Weight (g/mol) 76.051
ChEBI CHEBI:17497
SMILES C(C(=O)O)O
Synonym glycolic acid,hydroxyacetic acid,glycollic acid,hydroxyethanoic acid,acetic acid, hydroxy,glycolate,caswell no. 470,alpha-hydroxyacetic acid,kyselina glykolova,kyselina glykolova czech
IUPAC Name 2-hydroxyacetic acid
InChI Key AEMRFAOFKBGASW-UHFFFAOYSA-N
Molecular Formula C2H4O3
6

(S)-(+)-Mandelic Acid, TRC

CAS: 17199-29-0 Molecular Formula: C8 H8 O3 Molecular Weight (g/mol): 152.15 Synonym: Benzeneacetic acid, α-hydroxy-, (αS)-,Benzeneacetic acid, α-hydroxy-, (S)-,Mandelic acid, L-(+)- (8CI),(αS)-α-Hydroxybenzeneacetic acid,(+)-(S)-Mandelic acid,(+)-Mandelic acid,(+)-α-Hydroxyphenylacetic acid,(2S)-2-Hydroxy-2-(phenyl)ethanoic acid,(2S)-2-Hydroxy-2-phenylacetic acid,(S)-(+)-Hydroxyphenylacetic acid,(S)-(+)-Mandelic acid,(S)-2-Hydroxy-2-(phenyl)ethanoic acid,(S)-2-Hydroxy-2-phenylacetic acid,(S)-Amygdalic acid,(S)-Mandelic acid,(S)-α-Hydroxybenzeneacetic acid,(S)-α-Hydroxyphenylacetic acid,L-(+)-Mandelic acid,L-Mandelic acid,Atomoxetine Hydrochloride Imp E (EP) IUPAC Name: (2S)-2-hydroxy-2-phenylacetic acid SMILES: O[C@H](C(=O)O)c1ccccc1

CAS 17199-29-0
Molecular Weight (g/mol) 152.15
SMILES O[C@H](C(=O)O)c1ccccc1
Synonym Benzeneacetic acid, α-hydroxy-, (αS)-,Benzeneacetic acid, α-hydroxy-, (S)-,Mandelic acid, L-(+)- (8CI),(αS)-α-Hydroxybenzeneacetic acid,(+)-(S)-Mandelic acid,(+)-Mandelic acid,(+)-α-Hydroxyphenylacetic acid,(2S)-2-Hydroxy-2-(phenyl)ethanoic acid,(2S)-2-Hydroxy-2-phenylacetic acid,(S)-(+)-Hydroxyphenylacetic acid,(S)-(+)-Mandelic acid,(S)-2-Hydroxy-2-(phenyl)ethanoic acid,(S)-2-Hydroxy-2-phenylacetic acid,(S)-Amygdalic acid,(S)-Mandelic acid,(S)-α-Hydroxybenzeneacetic acid,(S)-α-Hydroxyphenylacetic acid,L-(+)-Mandelic acid,L-Mandelic acid,Atomoxetine Hydrochloride Imp E (EP)
IUPAC Name (2S)-2-hydroxy-2-phenylacetic acid
Molecular Formula C8 H8 O3
7

(R)-(-)-Mandelic Acid, TRC

CAS: 611-71-2 Molecular Formula: C8 H8 O3 Molecular Weight (g/mol): 152.15 Synonym: (2R)-Hydroxyphenylacetic Acid,Sertraline Hydrochloride Imp. E (EP),(R)-Mandelic acid,Benzeneacetic acid, α-hydroxy-, (αR)-,Benzeneacetic acid, α-hydroxy-, (R)-,Mandelic acid, D- (8CI),(αR)-α-Hydroxybenzeneacetic acid,(-)-(R)-Mandelic acid,(-)-D-Mandelic acid,(-)-Mandelic acid,(-)-α-Hydroxyphenylacetic acid,(2R)-2-Hydroxy-2-phenylacetic acid,(R)-(-)-Hydroxyphenylacetic acid,(R)-(-)-Mandelic acid,(R)-2-Hydroxy-2-phenylacetic acid,(R)-Amygdalic acid,(R)-Hydroxy(phenyl)acetic acid,(R)-α-Hydroxybenzeneacetic acid,(R)-α-Hydroxyphenylacetic acid,D(-)-Mandelic acid,D-2-Phenylglycolic acid,D-Mandelic acid IUPAC Name: (2R)-2-hydroxy-2-phenylacetic acid SMILES: O[C@@H](C(=O)O)c1ccccc1

CAS 611-71-2
Molecular Weight (g/mol) 152.15
SMILES O[C@@H](C(=O)O)c1ccccc1
Synonym (2R)-Hydroxyphenylacetic Acid,Sertraline Hydrochloride Imp. E (EP),(R)-Mandelic acid,Benzeneacetic acid, α-hydroxy-, (αR)-,Benzeneacetic acid, α-hydroxy-, (R)-,Mandelic acid, D- (8CI),(αR)-α-Hydroxybenzeneacetic acid,(-)-(R)-Mandelic acid,(-)-D-Mandelic acid,(-)-Mandelic acid,(-)-α-Hydroxyphenylacetic acid,(2R)-2-Hydroxy-2-phenylacetic acid,(R)-(-)-Hydroxyphenylacetic acid,(R)-(-)-Mandelic acid,(R)-2-Hydroxy-2-phenylacetic acid,(R)-Amygdalic acid,(R)-Hydroxy(phenyl)acetic acid,(R)-α-Hydroxybenzeneacetic acid,(R)-α-Hydroxyphenylacetic acid,D(-)-Mandelic acid,D-2-Phenylglycolic acid,D-Mandelic acid
IUPAC Name (2R)-2-hydroxy-2-phenylacetic acid
Molecular Formula C8 H8 O3
8

Mandelic Acid, TRC

CAS: 90-64-2 Molecular Formula: C8 H8 O3 Molecular Weight (g/mol): 152.15 Synonym: (2RS)-2-Hydroxy-2-phenylacetic acid,Hydroxyphenylacetic acid,Mandelic acid,Glycopyrronium Bromide Imp. C (EP),Homatropine Methylbromide Imp. C (EP),Sertraline Hydrochloride Imp. E (EP) as Racemate,Benzeneacetic acid, α-hydroxy-,Mandelic acid (7CI,8CI),α-Hydroxybenzeneacetic acid,(RS)-Mandelic acid,(±)-2-Hydroxy-2-phenylethanoic acid,(±)-Mandelic acid,(±)-α-Hydroxybenzeneacetic acid,(±)-α-Hydroxyphenylacetic acid,2-Hydroxy-2-phenylacetic acid,2-Phenyl-2-hydroxyacetic acid,2-Phenylglycolic acid,Almond acid,Amygdalic acid,DL-Amygdalic acid,DL-Hydroxy(phenyl)acetic acid,DL-Mandelic acid,NSC 7925,Paramandelic acid,Phenylglycolic acid,Phenylhydroxyacetic acid,S 14-75781,Uromaline,dl-Mandelic acid,α-Hydroxy-α-toluic acid,α-Hydroxyphenylacetic acid IUPAC Name: 2-hydroxy-2-phenylacetic acid SMILES: OC(C(=O)O)c1ccccc1

CAS 90-64-2
Molecular Weight (g/mol) 152.15
SMILES OC(C(=O)O)c1ccccc1
Synonym (2RS)-2-Hydroxy-2-phenylacetic acid,Hydroxyphenylacetic acid,Mandelic acid,Glycopyrronium Bromide Imp. C (EP),Homatropine Methylbromide Imp. C (EP),Sertraline Hydrochloride Imp. E (EP) as Racemate,Benzeneacetic acid, α-hydroxy-,Mandelic acid (7CI,8CI),α-Hydroxybenzeneacetic acid,(RS)-Mandelic acid,(±)-2-Hydroxy-2-phenylethanoic acid,(±)-Mandelic acid,(±)-α-Hydroxybenzeneacetic acid,(±)-α-Hydroxyphenylacetic acid,2-Hydroxy-2-phenylacetic acid,2-Phenyl-2-hydroxyacetic acid,2-Phenylglycolic acid,Almond acid,Amygdalic acid,DL-Amygdalic acid,DL-Hydroxy(phenyl)acetic acid,DL-Mandelic acid,NSC 7925,Paramandelic acid,Phenylglycolic acid,Phenylhydroxyacetic acid,S 14-75781,Uromaline,dl-Mandelic acid,α-Hydroxy-α-toluic acid,α-Hydroxyphenylacetic acid
IUPAC Name 2-hydroxy-2-phenylacetic acid
Molecular Formula C8 H8 O3
9

(R)-(-)-Mandelic acid, 98%

CAS: 611-71-2 Molecular Formula: C8H8O3 Molecular Weight (g/mol): 152.15 MDL Number: MFCD00064251 InChI Key: IWYDHOAUDWTVEP-SSDOTTSWSA-N Synonym: r-mandelic acid,r---mandelic acid,d-mandelic acid,r-2-hydroxy-2-phenylacetic acid,#NAME?,d--mandelic acid,d---mandelic acid,2r-2-hydroxy-2-phenylacetic acid,r-alpha-hydroxyphenylacetic acid,d-2-phenylglycolic acid PubChem CID: 11914 ChEBI: CHEBI:17656 IUPAC Name: (2R)-2-hydroxy-2-phenylacetic acid SMILES: O[C@@H](C(O)=O)C1=CC=CC=C1

PubChem CID 11914
CAS 611-71-2
Molecular Weight (g/mol) 152.15
ChEBI CHEBI:17656
MDL Number MFCD00064251
SMILES O[C@@H](C(O)=O)C1=CC=CC=C1
Synonym r-mandelic acid,r---mandelic acid,d-mandelic acid,r-2-hydroxy-2-phenylacetic acid,#NAME?,d--mandelic acid,d---mandelic acid,2r-2-hydroxy-2-phenylacetic acid,r-alpha-hydroxyphenylacetic acid,d-2-phenylglycolic acid
IUPAC Name (2R)-2-hydroxy-2-phenylacetic acid
InChI Key IWYDHOAUDWTVEP-SSDOTTSWSA-N
Molecular Formula C8H8O3
10

(R)-(-)-Mandelic acid, ChiPros 99+%, ee 99+%

CAS: 611-71-2 Molecular Formula: C8H8O3 Molecular Weight (g/mol): 152.15 MDL Number: MFCD00064251 InChI Key: IWYDHOAUDWTVEP-SSDOTTSWSA-N Synonym: r-mandelic acid,r---mandelic acid,d-mandelic acid,r-2-hydroxy-2-phenylacetic acid,#NAME?,d--mandelic acid,d---mandelic acid,2r-2-hydroxy-2-phenylacetic acid,r-alpha-hydroxyphenylacetic acid,d-2-phenylglycolic acid PubChem CID: 11914 ChEBI: CHEBI:17656 IUPAC Name: (2R)-2-hydroxy-2-phenylacetic acid SMILES: O[C@@H](C(O)=O)C1=CC=CC=C1

PubChem CID 11914
CAS 611-71-2
Molecular Weight (g/mol) 152.15
ChEBI CHEBI:17656
MDL Number MFCD00064251
SMILES O[C@@H](C(O)=O)C1=CC=CC=C1
Synonym r-mandelic acid,r---mandelic acid,d-mandelic acid,r-2-hydroxy-2-phenylacetic acid,#NAME?,d--mandelic acid,d---mandelic acid,2r-2-hydroxy-2-phenylacetic acid,r-alpha-hydroxyphenylacetic acid,d-2-phenylglycolic acid
IUPAC Name (2R)-2-hydroxy-2-phenylacetic acid
InChI Key IWYDHOAUDWTVEP-SSDOTTSWSA-N
Molecular Formula C8H8O3
11

Glycolic acid, 70%

CAS: 79-14-1 Molecular Formula: C2H4O3 Molecular Weight (g/mol): 76.051 MDL Number: MFCD00004312 InChI Key: AEMRFAOFKBGASW-UHFFFAOYSA-N Synonym: glycolic acid,hydroxyacetic acid,glycollic acid,hydroxyethanoic acid,acetic acid, hydroxy,glycolate,caswell no. 470,alpha-hydroxyacetic acid,kyselina glykolova,kyselina glykolova czech PubChem CID: 757 ChEBI: CHEBI:17497 IUPAC Name: 2-hydroxyacetic acid SMILES: C(C(=O)O)O

PubChem CID 757
CAS 79-14-1
Molecular Weight (g/mol) 76.051
ChEBI CHEBI:17497
MDL Number MFCD00004312
SMILES C(C(=O)O)O
Synonym glycolic acid,hydroxyacetic acid,glycollic acid,hydroxyethanoic acid,acetic acid, hydroxy,glycolate,caswell no. 470,alpha-hydroxyacetic acid,kyselina glykolova,kyselina glykolova czech
IUPAC Name 2-hydroxyacetic acid
InChI Key AEMRFAOFKBGASW-UHFFFAOYSA-N
Molecular Formula C2H4O3
12

Glycolic acid, 98%

CAS: 79-14-1 Molecular Formula: C2H4O3 Molecular Weight (g/mol): 76.051 MDL Number: MFCD00004312 InChI Key: AEMRFAOFKBGASW-UHFFFAOYSA-N Synonym: glycolic acid,hydroxyacetic acid,glycollic acid,hydroxyethanoic acid,acetic acid, hydroxy,glycolate,caswell no. 470,alpha-hydroxyacetic acid,kyselina glykolova,kyselina glykolova czech PubChem CID: 757 ChEBI: CHEBI:17497 IUPAC Name: 2-hydroxyacetic acid SMILES: C(C(=O)O)O

PubChem CID 757
CAS 79-14-1
Molecular Weight (g/mol) 76.051
ChEBI CHEBI:17497
MDL Number MFCD00004312
SMILES C(C(=O)O)O
Synonym glycolic acid,hydroxyacetic acid,glycollic acid,hydroxyethanoic acid,acetic acid, hydroxy,glycolate,caswell no. 470,alpha-hydroxyacetic acid,kyselina glykolova,kyselina glykolova czech
IUPAC Name 2-hydroxyacetic acid
InChI Key AEMRFAOFKBGASW-UHFFFAOYSA-N
Molecular Formula C2H4O3
13

Glycolic acid, ca 66-70% aq. soln.

CAS: 79-14-1 Molecular Formula: C2H4O3 Molecular Weight (g/mol): 76.051 MDL Number: MFCD00004312 InChI Key: AEMRFAOFKBGASW-UHFFFAOYSA-N Synonym: glycolic acid,hydroxyacetic acid,glycollic acid,hydroxyethanoic acid,acetic acid, hydroxy,glycolate,caswell no. 470,alpha-hydroxyacetic acid,kyselina glykolova,kyselina glykolova czech PubChem CID: 757 ChEBI: CHEBI:17497 IUPAC Name: 2-hydroxyacetic acid SMILES: C(C(=O)O)O

PubChem CID 757
CAS 79-14-1
Molecular Weight (g/mol) 76.051
ChEBI CHEBI:17497
MDL Number MFCD00004312
SMILES C(C(=O)O)O
Synonym glycolic acid,hydroxyacetic acid,glycollic acid,hydroxyethanoic acid,acetic acid, hydroxy,glycolate,caswell no. 470,alpha-hydroxyacetic acid,kyselina glykolova,kyselina glykolova czech
IUPAC Name 2-hydroxyacetic acid
InChI Key AEMRFAOFKBGASW-UHFFFAOYSA-N
Molecular Formula C2H4O3
14

4-(Aminomethyl)benzoic Acid, TRC

CAS: 56-91-7 Molecular Formula: C8 H9 N O2 Molecular Weight (g/mol): 151.16 Synonym: 4-Aminomethylbenzoic Acid,Tranexamic Acid Imp. D (EP),Benzoic acid, 4-(aminomethyl)-,p-Toluic acid, α-amino- (6CI,8CI),4-(Aminomethyl)benzoic acid,4-Carboxybenzylamine,Benzylamine-4-carboxylic acid,Gumbix,NSC 41629,PAMBA,Styptopur,p-(Aminomethyl)benzoic acid,p-Carboxybenzylamine,α-Amino-p-toluic acid IUPAC Name: 4-(aminomethyl)benzoic acid SMILES: NCc1ccc(cc1)C(=O)O

CAS 56-91-7
Molecular Weight (g/mol) 151.16
SMILES NCc1ccc(cc1)C(=O)O
Synonym 4-Aminomethylbenzoic Acid,Tranexamic Acid Imp. D (EP),Benzoic acid, 4-(aminomethyl)-,p-Toluic acid, α-amino- (6CI,8CI),4-(Aminomethyl)benzoic acid,4-Carboxybenzylamine,Benzylamine-4-carboxylic acid,Gumbix,NSC 41629,PAMBA,Styptopur,p-(Aminomethyl)benzoic acid,p-Carboxybenzylamine,α-Amino-p-toluic acid
IUPAC Name 4-(aminomethyl)benzoic acid
Molecular Formula C8 H9 N O2
15

(R)-(-)-Mandelic acid, 99%

CAS: 611-71-2 Molecular Formula: C8H8O3 Molecular Weight (g/mol): 152.15 MDL Number: MFCD00064251 InChI Key: IWYDHOAUDWTVEP-SSDOTTSWSA-N Synonym: r-mandelic acid,r---mandelic acid,d-mandelic acid,r-2-hydroxy-2-phenylacetic acid,--mandelic acid,d--mandelic acid,d---mandelic acid,2r-2-hydroxy-2-phenylacetic acid,r-alpha-hydroxyphenylacetic acid,d-2-phenylglycolic acid PubChem CID: 11914 ChEBI: CHEBI:17656 IUPAC Name: (2R)-2-hydroxy-2-phenylacetic acid SMILES: O[C@@H](C(O)=O)C1=CC=CC=C1

PubChem CID 11914
CAS 611-71-2
Molecular Weight (g/mol) 152.15
ChEBI CHEBI:17656
MDL Number MFCD00064251
SMILES O[C@@H](C(O)=O)C1=CC=CC=C1
Synonym r-mandelic acid,r---mandelic acid,d-mandelic acid,r-2-hydroxy-2-phenylacetic acid,--mandelic acid,d--mandelic acid,d---mandelic acid,2r-2-hydroxy-2-phenylacetic acid,r-alpha-hydroxyphenylacetic acid,d-2-phenylglycolic acid
IUPAC Name (2R)-2-hydroxy-2-phenylacetic acid
InChI Key IWYDHOAUDWTVEP-SSDOTTSWSA-N
Molecular Formula C8H8O3