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Carbonyl compounds

Organic compounds that contain one or more carbonyl (a carbon atom with a double bond to an oxygen atom) functional groups. Includes compounds with functional groups that contain a carbonyl in their structure such as ketones, aldehydes, and others.
Complex Aldehydes (434)
Complex Ketones (408)
Alpha beta-unsaturated carbonyl compounds (51)
Dicarbonyl Compounds (47)
Acyloins (8)

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1 – 15 of 806 results
1

Sigma Aldrich Acetophenone

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
Refractive Index n20/D 1.534
Synonym Methyl phenyl ketone
RTECS Number AM5250000
Recommended Storage Room Temperature
2

Sigma Aldrich Glyoxylic acid monohydrate

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 100°C (lit.)
Percent Purity 98%
Linear Formula HCOCO2H -+ H2O
CAS 563-96-2
Molecular Weight (g/mol) 92.05
MDL Number MFCD00149497
Synonym Formylformic acid; Oxoethanoic acid
Recommended Storage Room Temperature
Molecular Formula C2H2O3 -+ H2O
EINECS Number 206-058-5
Melting Point 49°C to 52°C (lit.)
3

Sigma Aldrich 3-Buten-2-one

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 81°C (lit.)
Percent Purity 90%
Linear Formula CH2=CHCOCH3
CAS 78-94-4
Molecular Weight (g/mol) 70.09
MDL Number MFCD00008777
Refractive Index n20/D 1.411 (literature)
Synonym Methyl vinyl ketone; Vinyl methyl ketone
Recommended Storage 2°C to 8°C
Molecular Formula C4H6O
Density 0.864 g/mL (at 25°C (literature))
4

Sigma Aldrich [(1-Ethylcyclopropyl)methyl]amine 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
5

Sigma Aldrich 2-Furyl methyl ketone

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 67°C (10 mmHg)
Linear Formula C6H6O2
Molecular Weight (g/mol) 110.11
Density 1.098 g/mL (at 25°C (literature))
Percent Purity 99%
CAS 1192-62-7
MDL Number MFCD00003242
Refractive Index n20/D 1.5070 (literature)
Synonym 2-Acetylfuran
RTECS Number OB3870000
Recommended Storage Room Temperature
Molecular Formula C6H6O2
EINECS Number 214-757-1
Melting Point 26°C to 28°C (lit.)
6

Sigma Aldrich 2-BROMOCARBAZOLE

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
7

Sigma Aldrich 2-(Dibenzylamino)acetamide

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
8

Sigma Aldrich 3-Methyl-1-phenylhexahydropyridazine 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
9

Sigma Aldrich [(5-Chloro-1H-benzimidazol-2-yl)methyl]methylamine dihydrochloride

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
10

Sigma Aldrich Diethyl malonate

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 199°C (lit.)
Percent Purity 99%
Linear Formula CH2(COOC2H5)2
CAS 105-53-3
Molecular Weight (g/mol) 160.17
MDL Number MFCD00009195
Refractive Index n20/D 1.413 (literature)
Synonym Malonic acid diethyl ester
Recommended Storage Room Temperature
Molecular Formula C7H12O4
EINECS Number 203-305-9
Density 1.055 g/mL (at 25°C (literature))
Melting Point -51°C to +50°C (lit.)
11

Sigma Aldrich Nonanal

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 93°C (23 mmHg)
Percent Purity 95%
Linear Formula CH3(CH2)7 CHO
CAS 124-19-6
Molecular Weight (g/mol) 142.24
MDL Number MFCD00007030
Refractive Index n20/D 1.424 (literature)
Synonym Aldehyde C9; Nonyl aldehyde; Pelargonaldehyde
RTECS Number RA5700000
Recommended Storage Room Temperature
Molecular Formula C9H18O
EINECS Number 204-688-5
Density 0.827 g/mL (at 25°C (literature))
12

Sigma Aldrich Pentabromophenol

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 608-71-9
13

Sigma Aldrich 2-Naphthaldehyde

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 C10H7CHO
CAS 66-99-9
Molecular Weight (g/mol) 156.18
MDL Number MFCD00004094
Synonym beta-Naphthaldehyde
RTECS Number QJ0190010
Recommended Storage -20°C
Molecular Formula C11H8O
EINECS Number 200-640-2
Melting Point 58°C to 61°C (lit.)
14

Sigma Aldrich Acetoin

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 148°C (lit.)
Linear Formula CH3COCH(OH)CH3
Molecular Weight (g/mol) 88.11
Density 1.013 g/mL (at 25°C (literature))
Percent Purity ≥98.0% (GC)
CAS 513-86-0
MDL Number MFCD00004521
Refractive Index n20/D 1.417 (literature)
Synonym 3-Hydroxy-2-butanone; Acetylmethylcarbinol
RTECS Number EL8790000
Recommended Storage 2°C to 8°C
Molecular Formula C4H8O2
EINECS Number 208-174-1
Melting Point 15°C (monomer), 90°C (dimer) (lit.)
15

Sigma Aldrich Salicylaldehyde

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 197°C (lit.)
Percent Purity ≥99.0% (GC)
Linear Formula 2-(HO)C6H4CHO
CAS 90-02-8
Molecular Weight (g/mol) 122.12
MDL Number MFCD00003317
Refractive Index n20/D 1.573 (literature); n20/D 1.573
Synonym 2-Hydroxybenzaldehyde
Recommended Storage Room Temperature
Molecular Formula C7H6O2
Density 1.146 g/mL (at 25°C (literature))
Melting Point 1°C to 2°C (lit.)