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Organic Acids

Organic compounds with acidic properties, organic acids are generally weak acids incapable of complete dissociation in water. Available in a range of chemical compositions and acid strengths, they can be used for various industrial and everyday applications.
Trifluoroacetic Acid (869)
Acetic Acid (759)
Citric Acid (630)
Formic Acid (258)
Lactic Acid (228)
Gallic Acid (218)
Tartaric Acid (211)
Oxalic Acid (142)
Succinic Acid (133)
Trichloroacetic Acid (132)
Malic Acid (126)
Benzoic Acid (124)
Salicylic Acid (83)
Glycolic Acid (70)
Mandelic Acid (69)
Potassium Acid Phthalate (67)
Maleic Acid (63)
Adipic Acid (58)
Butyric Acid (53)
Vanillic Acid (53)
Tannic Acid (49)
Picric Acid (41)
p-Toluenesulfonic Acid (41)
Phthalic Acid (40)
Azelaic Acid (35)
Cacodylic Acid (34)
Decanoic Acid (34)
Valeric Acid (32)
Gluconic Acid (30)
Isobutyric Acid (28)
Cinnamic Acid (27)
Thiosalicylic Acid (22)
Abietic Acid (21)
Barbituric Acid (20)
Pamoic Acid (18)
Tiglic Acid (18)
Camphoric Acid (17)
Cyanuric Acid (15)
Diglycolic Acid (14)
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Tetronic Acid (4)
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721 – 735 of 3,790 results
721

Sigma Aldrich Isobutyric anhydride

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Boiling Point 182°C (lit.)
Percent Purity 97%
Linear Formula (CH3)2 CHCO2COCH(CH3)2
CAS 97-72-3
Molecular Weight (g/mol) 158.19
MDL Number MFCD00008913
Refractive Index n20/D 1.406 (literature)
Synonym 2-Methylpropionic anhydride
Recommended Storage Room Temperature
Molecular Formula C8H14O3
EINECS Number 202-603-6
Density 0.954 g/mL (at 25°C (literature))
Melting Point -56°C (lit.)
722

Sigma Aldrich Pamoic acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
CAS 130-85-8
723

Sigma Aldrich DL-Tartaric acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Percent Purity 99%
Linear Formula HOOC(CHOH)2 COOH
CAS 133-37-9
Molecular Weight (g/mol) 150.09
MDL Number MFCD00071626
Synonym DL-2,3-Dihydroxybutanedioic acid
Recommended Storage Room Temperature
Molecular Formula C4H6O6
EINECS Number 205-105-7
Melting Point 210°C to 212°C (lit.)
724

Sigma Aldrich Thymine-1-acetic acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Percent Purity 98%
Linear Formula C7H8N2O4
CAS 20924-05-4
Molecular Weight (g/mol) 184.15
MDL Number MFCD00274250
Recommended Storage Room Temperature
Molecular Formula C7H8N2O4
Melting Point 272°C to 278°C (dec.) (lit.)
725

Sigma Aldrich 2,5-Dichloroaniline

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
CAS 95-82-9
726

Sigma Aldrich D-(-)-Tartaric Acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Synonym (2S,3S)-(-)-Tartaric acid; D-Threaric acid
727

Sigma Aldrich 2-[(4-Methyl-2-oxo-2H-chromen-7-yl)oxy]ethanethioamide

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
728

Sigma Aldrich Oxalic acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Percent Purity 98%
Linear Formula HO2CCO2H
CAS 144-62-7
Molecular Weight (g/mol) 90.03
MDL Number MFCD00002573
RTECS Number RO2450000
Recommended Storage Room Temperature
Molecular Formula C2H2O4
EINECS Number 205-634-3
Density 1.65 g/cm3 (at 18.5 C)
Melting Point 189.5°C (lit.)
729

Sigma Aldrich Vanillic acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Percent Purity ≥97.0% (HPLC)
Linear Formula HOC6H3(OCH3)CO2H
CAS 121-34-6
Molecular Weight (g/mol) 168.15
MDL Number MFCD00002551
Synonym 4-Hydroxy-3-methoxybenzoic acid
Recommended Storage Room Temperature
Molecular Formula C8H8O4
EINECS Number 204-466-8
Melting Point 208°C to 210°C (lit.), 208°C to 213°C
730

Sigma Aldrich Valeric anhydride

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Boiling Point 228°C to 230°C (lit.)
Percent Purity 97%
Linear Formula [CH3(CH2)3 CO]2 O
CAS 2082-59-9
Molecular Weight (g/mol) 186.25
MDL Number MFCD00009477
Refractive Index n20/D 1.421 (literature)
Synonym Pentanoic anhydride
Recommended Storage Room Temperature
Molecular Formula C10H18O3
EINECS Number 218-212-9
Density 0.944 g/mL (at 20°C (literature))
Melting Point -56°C (lit.)
731

Sigma Aldrich Thiosalicylic acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Percent Purity 97%
Linear Formula HSC6H4CO2H
CAS 147-93-3
Molecular Weight (g/mol) 154.19
MDL Number MFCD00004836
Synonym 2-Mercaptobenzoic acid
RTECS Number DH3325000
Recommended Storage Room Temperature
Molecular Formula C7H6O2S
EINECS Number 205-704-3
Melting Point 162°C to 165°C (lit.)
732

Sigma Aldrich 4-Fluoro-2-methylphenol

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
CAS 452-72-2
733

Sigma Aldrich Cyclododecanecarboxylic acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
CAS 884-36-6
734

Sigma Aldrich DL-Malic acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Percent Purity ≥98% (capillary GC)
Linear Formula HO2CCH2CH(OH)CO2H
CAS 6915-15-7
Molecular Weight (g/mol) 134.09
MDL Number MFCD00064212
Synonym (+/-)-2-Hydroxysuccinic acid; DL-Hydroxybutanedioic acid
RTECS Number ON7175000
Recommended Storage Room Temperature
Molecular Formula C4H6O5
EINECS Number 230-022-8
Melting Point 131°C to 133°C (lit.)
735

Sigma Aldrich trans-Cinnamic acid

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Boiling Point 300°C (lit.)
Percent Purity 97%
Linear Formula C6H5CH=CHCOOH
CAS 140-10-3
Molecular Weight (g/mol) 148.16
MDL Number MFCD00004369
Synonym trans-3-Phenylacrylic acid; Cinnamic acid
RTECS Number GD7850000
Recommended Storage Room Temperature
Molecular Formula C9H8O2
EINECS Number 205-398-1
Melting Point 132°C to 135°C (lit.)