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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 (989)
Acetic Acid (753)
Citric Acid (591)
Benzoic Acid (351)
Formic Acid (261)
Lactic Acid (237)
Gallic Acid (229)
Tartaric Acid (221)
Succinic Acid (154)
Oxalic Acid (147)
Trichloroacetic Acid (142)
Malic Acid (126)
Salicylic Acid (105)
Glycolic Acid (85)
Potassium Acid Phthalate (84)
Mandelic Acid (76)
Maleic Acid (71)
Adipic Acid (66)
Tannic Acid (54)
Butyric Acid (53)
Vanillic Acid (53)
Phthalic Acid (46)
Azelaic Acid (44)
p-Toluenesulfonic Acid (41)
Picric Acid (40)
Decanoic Acid (36)
Gluconic Acid (34)
Cacodylic Acid (33)
Valeric Acid (29)
Isobutyric Acid (27)
Camphoric Acid (26)
Thiosalicylic Acid (26)
Cinnamic Acid (25)
Barbituric Acid (22)
Abietic Acid (21)
Diglycolic Acid (21)
Pamoic Acid (21)
Tiglic Acid (17)
Cyanuric Acid (15)
Humic Acid (12)
Thiodiglycolic Acid (10)
Glycerophosphoric Acid (9)
Tartronic Acid (8)
Tetronic Acid (4)

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706 – 720 of 4,301 results
706

Sigma Aldrich Tannic 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
Linear Formula C76H52O46
CAS 1401-55-4
Molecular Weight (g/mol) 1701.2 g/mol
MDL Number MFCD00066397
Synonym Gallotannin; Tannin
RTECS Number WW5075000
Recommended Storage Room Temperature
Molecular Formula C76H52O46
EINECS Number 215-753-2
Melting Point 218°C
707

Sigma Aldrich Humic 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 1415-93-6
MDL Number MFCD00147177
Synonym PGS 10
RTECS Number MT6544000
Recommended Storage Room Temperature
EINECS Number 215-809-6
708

Sigma Aldrich Isobutyric 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 79-31-2
709

Sigma Aldrich 1-Pyreneacetic 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 C18H12O2
CAS 64709-55-3
Molecular Weight (g/mol) 260.29
MDL Number MFCD00192422
Recommended Storage Room Temperature
Molecular Formula C18H12O2
Melting Point 210°C to 212°C (dec.) (lit.)
710

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.)
711

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 ≥99%
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.)
712

Sigma Aldrich Mandelic 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 C6H5CH(OH)CO2H
CAS 90-64-2
Molecular Weight (g/mol) 152.15
MDL Number MFCD00064250
Synonym (RS)-Mandelic acid; (+/-)-Mandelic Acid; DL-Mandelic acid; Racemic mandelic acid
RTECS Number OO6300000
Recommended Storage Room Temperature
Molecular Formula C8H8O3
EINECS Number 202-007-6
Melting Point 119°C to 121°C (lit.)
713

Sigma Aldrich Salicylic 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
Linear Formula 2-(HO)C6H4CO2H
CAS 69-72-7
MDL Number MFCD00002439
Synonym 2-Hydroxybenzoic acid
RTECS Number VO0525000
Recommended Storage Room Temperature
Molecular Formula C7H6O3
EINECS Number 200-712-3
Melting Point 158°C to 161°C
714

Sigma Aldrich Butyric 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 198°C to 199°C (lit.)
Percent Purity 98%
Linear Formula (CH3CH2CH2CO)2 O
CAS 106-31-0
Molecular Weight (g/mol) 158.19
MDL Number MFCD00009389
Refractive Index n20/D 1.413 (literature)
Synonym Butanoic anhydride
Recommended Storage Room Temperature
Molecular Formula C8H14O3
EINECS Number 203-383-4
Density 0.967 g/mL (at 25°C (literature))
Melting Point -75°C to +66°C (lit.)
715

Sigma Aldrich Salicylic 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
Linear Formula 2-(HO)C6H4CO2H
CAS 69-72-7
Molecular Weight (g/mol) 138.12 g/mol
MDL Number MFCD00002439
Synonym 2-Hydroxybenzoic acid
RTECS Number VO0525000
Recommended Storage Room Temperature
Molecular Formula C7H6O3
EINECS Number 200-712-3
Melting Point 158°C to 161°C; 158°C to 161°C
716

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.)
717

Sigma Aldrich 5-(2-fluoro-phenyl)-furan-2-carbaldehyde

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
718

Sigma Aldrich 3-hydroxy-7,3',4',5'-tetramethoxyflavone

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
719

Sigma Aldrich 1-((4-FLUOROPHENOXY)METHYL)CYCLOPROPANAMINE HYDROCHLORIDE

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
720

Sigma Aldrich m-Carborane-1,7-dicarboxylic 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 50571-15-8