Vinegar

Vinegar gets is sour taste due to acetic acid. Acetic acid is corrosive, below are entries for acetic acids in IMDG Code

ACETIC ACID, GLACIAL
ACETIC ACID SOLUTION more than 10% and less than 50% acid, by mass
ACETIC ACID SOLUTION more than 80% acid, by mass
ACETIC ACID SOLUTION not less than 50% but not more than 80% acid, by mass

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