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Peroxyacetic acid Structure

Peroxyacetic acid

Chemical Properties

Melting point -44 °C
Boiling point 105 °C
Density  1.19 g/mL at 20 °C
vapor pressure  Low
refractive index  n20/D 1.391
Flash point 41 °C
storage temp.  2-8°C
pka 8.2(at 25℃)
color  Colorless liquid
Odor Acrid odor
Water Solubility  soluble, >=10 g/100 mL at 19 ºC
Merck  13,7229
BRN  1098464
Stability Unstable - may explode on heating. May react violently with organic materials. Incompatible with strong oxidizing agents, acetic anhydride, alkenes, organics.
LogP -0.26 at 20℃
CAS DataBase Reference 79-21-0(CAS DataBase Reference)
NIST Chemistry Reference Ethaneperoxoic acid(79-21-0)
EPA Substance Registry System Peracetic acid (79-21-0)

Safety Information

Hazard Codes  O,C,N
Risk Statements  7-20/21/22-35-50-10-34-22-20
Safety Statements  26-36/37/39-45-61-3/7-23-14A-14-60-9-7-3
RIDADR  UN 3109 5.2
WGK Germany  2
RTECS  SD8750000
4.4-8
Autoignition Temperature Explodes when heated to 110 °C
HazardClass  5.2
PackingGroup  II
HS Code  29159000
Hazardous Substances Data 79-21-0(Hazardous Substances Data)
Toxicity LD50 (mg/kg) in rats: 1540 orally; in rabbits: 1410 dermally; LC50 in rats (mg/m3): 450 by inhalation (Klopotek)

MSDS

Usage And Synthesis