Acetic acid CAS#64-19-7

Boiling point 

117-118 °C(lit.)

density 

1.049 g/mL at 25 °C(lit.)

vapor density 

2.07 (vs air)

vapor pressure 

11.4 mm Hg ( 20 °C)

refractive index 

n20/D 1.371(lit.)

FEMA 

2006 | ACETIC ACID

Fp 

104 °F

storage temp. 

Store below +30°C.

solubility 

alcohol: miscible(lit.)

pka

4.74(at 25℃)

form 

Solution

color 

colorless

Specific Gravity

1.0492 (20℃)

Odor

Strong, pungent, vinegar-like odor detectable at 0.2 to 1.0 ppm

PH

3.91(1 mM solution);3.39(10 mM solution);2.88(100 mM solution);

PH Range

2.4 (1.0M solution)

Odor Threshold

0.006ppm

Odor Type

acidic

biological source

synthetic

explosive limit

4-19.9%(V)

Water Solubility 

miscible

λmax

λ: 260 nm Amax: 0.05
λ: 270 nm Amax: 0.02
λ: 300 nm Amax: 0.01
λ: 500 nm Amax: 0.01

Merck 

14,55

JECFA Number

81

BRN 

506007

Henry's Law Constant

133, 122, 6.88, and 1.27 at pH values of 2.13, 3.52, 5.68, and 7.14, respectively (25 °C, Hakuta et al., 1977)

Exposure limits

TLV-TWA 10 ppm ～25 mg/m3) (ACGIH, OSHA, and MSHA); TLV-STEL 15 ppm (37.5 mg/m3) (ACGIH).

Dielectric constant

4.1（2℃）

Stability:

Volatile

LogP

-0.170

Surface tension

26.10mN/m at 298.15K

CAS DataBase Reference

64-19-7(CAS DataBase Reference)

NIST Chemistry Reference

Acetic acid(64-19-7)

EPA Substance Registry System

Acetic acid (64-19-7)

Risk Statements 

34-42-35-10-36/38

Safety Statements 

26-36/37/39-45-23-24/25

RIDADR 

UN 1792 8/PG 2

OEB

A

OEL

TWA: 10 ppm (25 mg/m3), STEL: 15 ppm (37 mg/m3)

WGK Germany 

3

RTECS 

NN1650000

F 

1-8-10

Autoignition Temperature

426 °C

TSCA 

Yes

HazardClass 

8

PackingGroup 

II

HS Code 

29152100

Hazardous Substances Data

64-19-7(Hazardous Substances Data)

Toxicity

LD50 in rats (g/kg): 3.53 orally (Smyth)

IDLA

50 ppm