Essigsäure (C2H4O2)
Acetic Acid Glacial, Certified AR for analysis, meets analytical specification of Ph.Eur., BP, USP, Fisher Chemical
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: 36152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, 99.7+%, ACS reagent, ACROS Organics™
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, potassium salt, 99+%, for analysis, ACROS Organics™
CAS: 127-08-2 Molecular Formula: C2H3KO2 Molecular Weight (g/mol): 98.142 MDL Number: MFCD00012458 InChI Key: SCVFZCLFOSHCOH-UHFFFAOYSA-M Synonym: potassium acetate, acetic acid, potassium salt, diuretic salt, potassium ethanoate, koac, octan draselny czech, potassiumacetate, acetic acid potassium salt, acok, fema no. 2920 PubChem CID: 517044 ChEBI: CHEBI:32029 IUPAC Name: potassium;acetate SMILES: CC(=O)[O-].[K+]
Acetic acid, ammonium salt, 98+%, for analysis, ACROS Organics™
CAS: 631-61-8 Molecular Formula: C2H7NO2 Molecular Weight (g/mol): 77.083 MDL Number: MFCD00013066 InChI Key: USFZMSVCRYTOJT-UHFFFAOYSA-N Synonym: ammonium acetate, acetic acid, ammonium salt, azanium acetate, ammoniumacetate, acetic acid ammonium salt, ammonium ethanoate, unii-rre756s6q2, aconh4, ch3coonh4, ch3co2nh4 PubChem CID: 517165 ChEBI: CHEBI:62947 IUPAC Name: azanium;acetate SMILES: CC(=O)[O-].[NH4+]
Acetic acid, sodium salt, 99+%, extra pure, anhydrous, ACROS Organics™
CAS: 127-09-3 Molecular Formula: C2H3NaO2 Molecular Weight (g/mol): 82.034 MDL Number: MFCD00012459 InChI Key: VMHLLURERBWHNL-UHFFFAOYSA-M Synonym: sodium acetate, acetic acid, sodium salt, sodium acetate anhydrous, sodium acetate, anhydrous, acetic acid sodium salt, anhydrous sodium acetate, sodii acetas, sodium ethanoate, natrium aceticum, octan sodny czech PubChem CID: 517045 ChEBI: CHEBI:32954 IUPAC Name: sodium;acetate SMILES: CC(=O)[O-].[Na+]
Acetic acid, sodium salt trihydrate, 99.5%, for analysis, ACROS Organics™
CAS: 127-09-3 Molecular Formula: C2H3NaO2 Molecular Weight (g/mol): 82.034 MDL Number: MFCD00071557 InChI Key: VMHLLURERBWHNL-UHFFFAOYSA-M Synonym: sodium acetate, acetic acid, sodium salt, sodium acetate anhydrous, sodium acetate, anhydrous, acetic acid sodium salt, anhydrous sodium acetate, sodii acetas, sodium ethanoate, natrium aceticum, octan sodny czech PubChem CID: 517045 ChEBI: CHEBI:32954 IUPAC Name: sodium;acetate SMILES: CC(=O)[O-].[Na+]
Acetic acid, ammonium salt, 98%, for biochemistry, ACROS Organics™
CAS: 631-61-8 Molecular Formula: C2H7NO2 Molecular Weight (g/mol): 77.083 InChI Key: USFZMSVCRYTOJT-UHFFFAOYSA-N Synonym: ammonium acetate, acetic acid, ammonium salt, azanium acetate, ammoniumacetate, acetic acid ammonium salt, ammonium ethanoate, unii-rre756s6q2, aconh4, ch3coonh4, ch3co2nh4 PubChem CID: 517165 ChEBI: CHEBI:62947 IUPAC Name: azanium;acetate SMILES: CC(=O)[O-].[NH4+]
Acetic acid, 80% vol., Acros Organics™
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Alfa Aesar™ Acetic acid, Acculute Standard Volumetric Solution, Final Concentration 1.0N
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, 99.5%, pure, ACROS Organics™
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Alfa Aesar™ Acetic acid, 4% v/v aq. soln.
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, sodium salt, 99+%, ACS reagent, anhydrous, ACROS Organics™
CAS: 127-09-3 Molecular Formula: C2H3NaO2 Molecular Weight (g/mol): 82.034 MDL Number: MFCD00012459 InChI Key: VMHLLURERBWHNL-UHFFFAOYSA-M Synonym: sodium acetate, acetic acid, sodium salt, sodium acetate anhydrous, sodium acetate, anhydrous, acetic acid sodium salt, anhydrous sodium acetate, sodii acetas, sodium ethanoate, natrium aceticum, octan sodny czech PubChem CID: 517045 ChEBI: CHEBI:32954 IUPAC Name: sodium;acetate SMILES: CC(=O)[O-].[Na+]
Alfa Aesar™ Acetic acid, 1% v/v aq. soln.
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, ammonium salt, ACROS Organics™
CAS: 631-61-8 Molecular Formula: C2H7NO2 Molecular Weight (g/mol): 77.083 InChI Key: USFZMSVCRYTOJT-UHFFFAOYSA-N Synonym: ammonium acetate, acetic acid, ammonium salt, azanium acetate, ammoniumacetate, acetic acid ammonium salt, ammonium ethanoate, unii-rre756s6q2, aconh4, ch3coonh4, ch3co2nh4 PubChem CID: 517165 ChEBI: CHEBI:62947 IUPAC Name: azanium;acetate SMILES: CC(=O)[O-].[NH4+]
Acetic acid, 99.8%, for analysis, ACROS Organics™
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, 25%, Acros Organics™
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, 99+%, extra pure, ACROS Organics™
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Alfa Aesar™ Acetic acid, Environmental Grade Plus, 99.4% min
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, glacial, ACS, 99.7+%, Alfa Aesar™
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Alfa Aesar™ Acetic acid, glacial, 99.9+% (metals basis)
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, potassium salt, 99+%, ACS reagent, ACROS Organics™
CAS: 127-08-2 Molecular Formula: C2H3KO2 Molecular Weight (g/mol): 98.142 InChI Key: SCVFZCLFOSHCOH-UHFFFAOYSA-M Synonym: potassium acetate, acetic acid, potassium salt, diuretic salt, potassium ethanoate, koac, octan draselny czech, potassiumacetate, acetic acid potassium salt, acok, fema no. 2920 PubChem CID: 517044 ChEBI: CHEBI:32029 IUPAC Name: potassium;acetate SMILES: CC(=O)[O-].[K+]
Acetic acid, sodium salt trihydrate, 99+%, ACS reagent, ACROS Organics™
CAS: 127-09-3 Molecular Formula: C2H3NaO2 Molecular Weight (g/mol): 82.034 MDL Number: MFCD00071557 InChI Key: VMHLLURERBWHNL-UHFFFAOYSA-M Synonym: sodium acetate, acetic acid, sodium salt, sodium acetate anhydrous, sodium acetate, anhydrous, acetic acid sodium salt, anhydrous sodium acetate, sodii acetas, sodium ethanoate, natrium aceticum, octan sodny czech PubChem CID: 517045 ChEBI: CHEBI:32954 IUPAC Name: sodium;acetate SMILES: CC(=O)[O-].[Na+]
Acetic acid, 99.8%, for biochemistry, ACROS Organics™
CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O
Acetic acid, sodium salt, 99+%, for mol biology, anhydrous, DNAse, RNAse and P, ACROS Organics™
CAS: 127-09-3 Molecular Formula: C2H3NaO2 Molecular Weight (g/mol): 82.034 MDL Number: MFCD00012459 InChI Key: VMHLLURERBWHNL-UHFFFAOYSA-M Synonym: sodium acetate, acetic acid, sodium salt, sodium acetate anhydrous, sodium acetate, anhydrous, acetic acid sodium salt, anhydrous sodium acetate, sodii acetas, sodium ethanoate, natrium aceticum, octan sodny czech PubChem CID: 517045 ChEBI: CHEBI:32954 IUPAC Name: sodium;acetate SMILES: CC(=O)[O-].[Na+]

Essigsäure (CH3COOH, CAS 64-19-7), auch als Ethansäure oder Methancarboxylsäure bezeichnet, ist eine farblose, flüssige, organische Verbindung mit stechendem Geruch und einem unverwechselbarem sauren Geschmack. Essigsäure kann industriell aus Methanol oder durch bakterielle Fermentation hergestellt werden. Die konzentrierte Form von Essigsäure wird auch als „Eisessig“ bezeichnet.
Im Labor wird Essigsäure als chemisches Lösungsmittel oder Reagenz eingesetzt, sowie aufgrund der antibakteriellen Eigenschaften zur Vorbeugung von Pilz- oder Bakterienwachstum. Essig, eine verdünnte Form (4 bis 8 %), wird zum Kochen und Reinigen verwendet.
Essigsäure wird in verschiedenen kommerziellen Bereichen eingesetzt, einschließlich:
- Als Lösungsmittel
- Bei der Produktion von Celluloseacetat und Polyvinylacetat
- Zur Herstellung von Acetat, Essigsäureethylen, Acetanhydrid und halogenierter Essigsäure
- Als Bestandteil bei der Herstellung von Tinte und Farben, synthetischen Fasern und Textilien, Pestiziden und Holzklebern
Essigsäure ist in konzentrierter Form korrosiv. Daher sollten Anwender geeignete persönliche Schutzausrüstung (PSA) zur Vermeidung von Ingestion, Inhalation und Augen- und Hautkontakt tragen. Möglicherweise ist auch eine Atemschutzausrüstung angebracht. Von Wärmequellen und Oxidationsmitteln, Reduktionsmitteln, Säuren und Alkalimetallen fernhalten. An einem kühlen, gut belüfteten Ort aufbewahren.