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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 (990)
Acetic Acid (750)
Citric Acid (592)
Benzoic Acid (349)
Formic Acid (262)
Lactic Acid (237)
Gallic Acid (230)
Tartaric Acid (227)
Succinic Acid (154)
Oxalic Acid (147)
Trichloroacetic Acid (142)
Malic Acid (126)
Salicylic Acid (105)
Glycolic Acid (84)
Potassium Acid Phthalate (84)
Mandelic Acid (78)
Maleic Acid (71)
Adipic Acid (68)
Tannic Acid (54)
Butyric Acid (53)
Vanillic Acid (53)
Phthalic Acid (48)
Azelaic Acid (44)
p-Toluenesulfonic Acid (41)
Picric Acid (40)
Decanoic Acid (36)
Cacodylic Acid (34)
Gluconic Acid (34)
Cinnamic Acid (31)
Valeric Acid (29)
Camphoric Acid (26)
Isobutyric Acid (26)
Thiosalicylic Acid (26)
Barbituric Acid (23)
Abietic Acid (21)
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Pamoic Acid (21)
Tiglic Acid (17)
Cyanuric Acid (15)
Humic Acid (11)
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Glycerophosphoric Acid (9)
Tartronic Acid (8)
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676 – 690 of 4,311 results
676

Sigma Aldrich Sodiu mL-Tartrate Dibasic Dihydrate

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 ENCOMPASS_PREFERRED
Linear Formula C4H4Na2O6 -+ 2H2O
CAS 6106-24-7
Molecular Weight (g/mol) 230.08 g/mol
MDL Number MFCD00150035
Health Hazard 1 Non-Hazardous
Synonym Sodium tartrate dibasic dihydrate; L-(+)-Tartaric acid disodium salt; Disodium tartrate dihydrate; Sodium tartrate dihydrate
Recommended Storage Room Temperature
Molecular Formula C4H4Na2O6 -+ 2H2O
EINECS Number 212-773-3
677

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 ENCOMPASS_PREFERRED
Synonym (2S,3S)-(-)-Tartaric acid; D-Threaric acid
678

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 ENCOMPASS_PREFERRED
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.)
679

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 ENCOMPASS_PREFERRED
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
680

Sigma Aldrich Glycolic acid solution

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 ENCOMPASS_PREFERRED
Boiling Point 112°C
Percent Purity 63-72% (by NaOH, titration)
Linear Formula HOCH2COOH
CAS 79-14-1
Molecular Weight (g/mol) 76.05
MDL Number MFCD00004312
Refractive Index n20/D 1.408
Synonym Hydroxyacetic acid
Recommended Storage Room Temperature
Molecular Formula C2H4O3
Density 1.25 g/mL (at 25°C)
681

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 ENCOMPASS_PREFERRED
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.)
682

Sigma Aldrich Maleic 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 ENCOMPASS_PREFERRED
Synonym cis-Butenedioic acid; Toxilic acid
Recommended Storage Room Temperature
683

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 ENCOMPASS_PREFERRED
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.)
684

Sigma Aldrich Glycolic 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 ENCOMPASS_PREFERRED
Synonym Hydroxyacetic acid
RTECS Number MC5250000
685

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 ENCOMPASS_PREFERRED
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.)
686

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 ENCOMPASS_PREFERRED
687

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 ENCOMPASS_PREFERRED
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
688

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 ENCOMPASS_PREFERRED
689

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 ENCOMPASS_PREFERRED
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.)
690

Sigma Aldrich Valeric 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 ENCOMPASS_PREFERRED
Boiling Point 110°C to 111°C (10 mmHg), 185°C (lit.)
Linear Formula CH3(CH2)3 COOH
Molecular Weight (g/mol) 102.13
Density 0.939 g/mL (at 25°C (literature))
Percent Purity ≥99%
CAS 109-52-4
MDL Number MFCD00004413
Refractive Index n20/D 1.408 (literature)
Synonym n-Valeric acid; Pentanoic acid
RTECS Number YV6100000
Recommended Storage Room Temperature
Molecular Formula C5H10O2
EINECS Number 203-677-2
Melting Point -20°C to +18°C (lit.)