Click here for data on acetic acid in
student-friendly format,
from the HSci project
The information on this web page is provided to help you to work safely, but it is intended to be an overview of hazards, not a replacement for a full Material Safety Data Sheet (MSDS). MSDS forms can be downloaded from the web sites of many chemical suppliers.
General
Synonyms: ethanoic acid, vinegar (a dilute solution of acetic acid - for
safety data on vinegar,
click here), glacial
acetic acid, ethylic acid, methanecarboxylic acid, vinegar acid
Molecular formula: C2H4O2
CAS No: 64-19-7
EC No: 200-580-7
Annex I Index No: 607-002-00-6
Melting point: 16.7 C
Boiling point: 118 C
Specific gravity: 1.05
Vapour density 2.07
Vapour pressure 11 mm Hg at 20 C, 20 mm Hg at 30 C
Flash point: 40 C
Explosion limits: 4% - 16%
Ignition temperature 426 C
Stable. Substances to be avoided include alcohols, aldehydes, halogen-halogen compounds, oxidizing agents, metals, alkali hydroxides, anhydrides, nonmetallic halides, permanganates, peroxides, ethanolamine, carbonates. Flammable.
This material is strongly corrosive and causes serious burns. Very harmful if swallowed. Lachrymator.
Toxicity data
(The meaning of any abbreviations which appear in this section is given
here.)
ORL-RAT LD50 3310 mg kg-1
UNR-MAN LDLO 308 mg kg-1
IHL-MUS LC50 5620 ppm h-1
IVN-MUS LD50 525 mg kg-1
IHL-HMN TCLO 816 ppm/3m
SCU-RBT LDLO 1200 mg kg-1
Irritation data
(The meaning of any abbreviations which appear in this section is given
here.)
SKN-HMN 50 mg/24h/mld
SKN-RBT open/sev
EYE-RBT open/sev
Risk phrases
(The meaning of any risk phrases which appear in this section is given
here.)
R10 R35.
Safety glasses or face mask, nitrile gloves, good ventilation.
Safety phrases
(The meaning of any safety phrases which appear in this section is given
here.)
S23 S26 S45.
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