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EC number: 201-766-0
CAS number: 87-69-4
Dilute solutions of tartaric acid has at times been employed as eye
washes with the aim of counteracting the effects of alkalies in alkali
burns. Tests on human eyes of 0.16 M tartaric acid partially neutralized
to pH 3 with sodium phosphate caused severe stinging but no injury. When
adjusted to pH 4, it caused mild to moderate stinging, and at pH 5
caused only slight discomfort.
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