Acetic Acid

Acetic acid is widely used for ion suppression in HPLC. Please note the UV absorption of Acetic acid, and don't use it at low wavelength. If you need to work at low wavelength, use phosphoric acid instead, and be careful to check the pH does not go below 2.0. (If a bonded phase is attached by a siloxane bond to a column, this is hydrolysed below pH2)

Note that acetic acid is only a liquid over 17C! And be careful not to spill it on skin. Mineral acids may take a second or so to burn through the grease on skin, but acetic acid cuts through really fast and gives a very nasty burn. Also be careful if smelling a bottle of glacial acetic acid. The vapour is enough to burn in the lungs, and the intense smell makes it all but impossible to breathe.

For further details about acetic acid see the Wikipedia page:

Acetic Acid

R10

R35

S1/2

S23

S26

S45

Flammable

Causes severe burns

Keep locked up and out of the reach of children

Do not breathe vapour

In case of contact with eyes, rinse immediately with water, and seek medical advice

In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)

Boiling Point

Freezing point

Flash Point

Density

Refractive index

Viscosity

LTEL

STEL

LD50 (Rat)

10ppm

15ppm

3,310

Packing Group

Hazard Class

2789

II

8, sub class 3