Acetic acid

IUPAC name

Acetic acid

Systematic name

Ethanoic acid

Other names

Methanecarboxylic acid^[4][5]

Identifiers

Abbreviations

AcOH

CAS number

64-19-7 

PubChem

176

ChemSpider

171 

UNII

Q40Q9N063P 

EC number

200-580-7

UN number

2789

DrugBank

DB03166

MeSH

Acetic+acid

ChEBI

CHEBI:15366 

ChEMBL

CHEMBL539 

IUPHAR ligand

1058

RTECS number

AF1225000

ATC code

G01AD02,S02AA10

Beilstein Reference

506007

Gmelin Reference

1380

3DMet

B00009

Properties

Molecular formula

C₂H₄O₂

Molar mass

60.05 g mol⁻¹

Appearance

Colourless liquid

Odor

vinegar-like

Density

1.049 g cm^-3

Melting point

16 to 17 °C; 61 to 62 °F; 289 to 290 K

Boiling point

118 to 119 °C; 244 to 246 °F; 391 to 392 K

Solubility in water

Miscible

log P

-0.322

Acidity (pK_a)

4.76

Basicity (pK_b)

9.198

Refractive index (n_D)

1.371

Viscosity

1.22 mPa s

Dipole moment

1.74 D

Thermochemistry

Specific
heat capacity C

123.1 J K^-1 mol^-1

Std molar
entropy S^o₂₉₈

158.0 J K^-1 mol^-1

Std enthalpy of
formation Δ_fH^o₂₉₈

-483.88--483.16 kJ mol^-1

Std enthalpy of
combustion Δ_cH^o₂₉₈

-875.50--874.82 kJ mol^-1

Hazards

GHS signal word

Danger

GHS hazard statements

H226, H314

GHS precautionary statements

P280, P305+351+338, P310

EU Index

607-002-00-6

EU classification

C

R-phrases

R10, R35

S-phrases

(S1/2), S23, S26, S45

Flash point

40 °C (104 °F; 313 K)

Explosive limits

4-16%

LD₅₀

3.31 g kg^-1, oral (rat)

Related compounds

Related carboxylic acids

Formic acid
Propionic acid

Related compounds

Acetaldehyde

Acetamide
Acetic anhydride
Acetonitrile
Acetyl chloride
Ethanol
Ethyl acetate
Potassium acetate
Sodium acetate
Thioacetic acid

Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)

Ethyl acetate puriss. p.a.

Specifications:

Assay min. 99,4%

Density (20 °C) 0,9 g/ml

H2O max. 0,02 %

non volatile residue max. 0,0015%

Free acids (CH3COOH) max. 0,003%

Additional information:

IUPAC name

Ethyl acetate

Systematic name

Ethyl ethanoate

Identifiers

CAS number

141-78-6 

PubChem

8857

ChemSpider

8525 

UNII

76845O8NMZ 

KEGG

D02319 

ChEBI

CHEBI:27750 

ChEMBL

CHEMBL14152 

RTECS number

AH5425000

Properties

Molecular formula

C₄H₈O₂

Molar mass

88.11 g mol⁻¹

Appearance

Colorless liquid

Density

0.897 g/cm³

Melting point

−83.6 °C (−118.5 °F; 189.6 K)

Boiling point

77.1 °C (170.8 °F; 350.2 K)

Solubility in water

8.3 g/100 mL (20 °C)

Solubility in ethanol,
acetone, diethyl ether,
benzene

Miscible

Acidity (pK_a)

25

Refractive index (n_D)

1.3720

Viscosity

426 μPa s (0.426 cP) at 25 °C

Structure

Dipole moment

1.78 D

Hazards

R-phrases

R11, R36, R66, R67

S-phrases

S16, S26, S33

Main hazards

Flammable (F),
Irritant (Xi)

Flash point

−4 °C (25 °F; 269 K)

LD₅₀

11.3 g/kg, rat

Related compounds

Related carboxylate esters

Methyl acetate,
Propyl acetate,
Butyl acetate

Related compounds

Acetic acid,
ethanol

Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)

IUPAC name

propane-1,2,3-triol

Other names

glycerin
glycerine
propanetriol
1,2,3-trihydroxypropane

Identifiers

CAS number

56-81-5 

PubChem

753

ChemSpider

733 

UNII

PDC6A3C0OX 

DrugBank

DB04077

KEGG

D00028 

ChEBI

CHEBI:17522 

ChEMBL

CHEMBL692 

ATC code

A06AG04,A06AX01, QA16QA03

Properties

Molecular formula

C₃H₈O₃

Molar mass

92.09 g mol⁻¹

Appearance

colorless liquid
hygroscopic

Odor

odorless

Density

1.261 g/cm³

Melting point

17.8 °C (64.0 °F; 290.9 K)

Boiling point

290 °C (554 °F; 563 K)^[2]

Refractive index (n_D)

1.4746

Viscosity

1.412 Pa·s^[1]

Hazards

Flash point

160 °C (320 °F; 433 K) (closed cup)
176 °C (349 °F; 449 K) (open cup)