Always use COLD water to dissolve potassium hydroxide (caustic soda) and stir solution
constantly while mixing to dissipate evolved heat that would crack glass containers and cause
splattering and serious burns.
Antidote, external--Flood with water immediately, then wash with vinegar or diluted acetic acid
(stop bath). For affected eyes, wash out with 5% boric acid solution.
Antidote, internal--Give vinegar or copious amounts of juice of lemon, grapefruit, or orange.
Follow with olive oil.
Colorless, transparent crystals. POISONOUS.
Dark purple crystals with blue metallic sheen. A powerful oxidizing agent; DANGEROUS FIRE
and EXPLOSION HAZARD: POISONOUS if swallowed. CORROSIVE.
Antidote, external--Flood affected areas with water.
Antidote, internal--Give mustard emetic, and large amounts of water, strong tea or coffee, and
Yellow crystals; characteristic, irritating odor. TOXIC. Particularly dangerous to the eyes.
Antidote, external--Remove personnel showing toxic symptoms (eye irritation, photophobia,
lachrymation, and burning sensations) to fresh air as soon as possible.
Colorless, transparent, tubular, rhombic crystals, becoming gray or gray-black on exposure to light
in the presence of organic matter; odorless. CAUSTIC, CORROSIVE, and POISONOUS. A
powerful oxidizing agent; DANGEROUS FIRE HAZARD: causes burns on contact, and mists or
dusts destroy tissue.