Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.
In case of fire in the surroundings, use appropriate extinguishing media.
Cough. Sore throat.
Fresh air, rest.
Rinse skin with plenty of water or shower.
Wear safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Abdominal pain. Diarrhoea.
Do not eat, drink, or smoke during work.
Rinse mouth. Give one or two glasses of water to drink.
CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting.
According to UN GHS Criteria
Causes mild skin irritation Causes eye irritation
Transportation UN Classification
Separated from strong acids.
DISODIUM HYDROGEN PHOSPHATE
PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE OR COLOURLESS HYGROSCOPIC CRYSTALS OR POWDER.
Chemical dangers Decomposes on heating. This produces toxic fumes. Reacts violently with strong acids.
Molecular mass: 141.96
Decomposes at ~250°C Density: 0.5-1.2 g/cm³ Solubility in water, g/100ml at 20°C: 7.7 Octanol/water partition coefficient as log Pow: -5.8 (calculated)
EXPOSURE & HEALTH EFFECTS
Routes of exposure
Effects of short-term exposure The substance is mildly irritating to the eyes, skin and respiratory tract.
Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed.
Effects of long-term or repeated exposure
OCCUPATIONAL EXPOSURE LIMITS
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