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POTASSIUM DIHYDROGEN PHOSPHATE ICSC: 1608
Date of Peer Review: October 2005

Potassium phosphate, monobasic
Phosphoric acid, monopotassium salt
CAS # 7778-77-0 KH2PO4
RTECS # TC6615500 Molecular mass: 136.1
UN #
EC Index #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.

In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION


EXPOSURE


Inhalation Cough.
Ventilation (not if powder), local exhaust, or breathing protection.
Fresh air, rest.
Skin Redness.
Protective gloves.
Rinse skin with plenty of water or shower.
Eyes Redness. Pain.
Safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Abdominal pain. Vomiting. Diarrhoea. Nausea.
Do not eat, drink, or smoke during work.
Rinse mouth. Give plenty of water to drink.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P2 filter respirator for harmful particles. Sweep spilled substance into covered containers.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE

Separated from strong bases.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
POTASSIUM DIHYDROGEN PHOSPHATE ICSC: 1608
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS CRYSTALS OR WHITE CRYSTALLINE POWDER

CHEMICAL DANGERS:
The substance decomposes on heating producing toxic gases. The solution in water is a weak acid.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. MAK not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by ingestion.

INHALATION RISK:
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is irritating to the eyes, the skin and the respiratory tract.

PHYSICAL PROPERTIES
Melting point: 253C
Density: 2.34 g/cm
Solubility in water, g/100 ml: 22
ENVIRONMENTAL DATA

NOTES

ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2005