Melting point

16.2 °C(lit.)

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.)

form

Solution

pka

4.74(at 25℃)

Specific Gravity

1.0492 (20℃)

color

colorless

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

explosive limit

4-19.9%(V)

Water Solubility

miscible

λmax

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

Dielectric constant

4.1（2℃）

Exposure limits

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

Stability:

Volatile

LogP

-0.170

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)

Hazard Codes

C,Xi

Risk Statements

34-42-35-10-36/38

Safety Statements

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

RIDADR

UN 1792 8/PG 2

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