International Chemical Safety Cards

POTASSIUM CHLORATE

ICSC: 0548

Potassium oxymuriate
ClKO₃ / KClO₃
Molecular mass: 122.6

ICSC #    0548
CAS #     3811-04-9
RTECS # FO0350000
UN #        1485
EC #         017-004-00-3
March 25, 1998 Peer reviewed

TYPES OF HAZARD/ EXPOSURE	ACUTE HAZARDS/ SYMPTOMS	PREVENTION	FIRST AID/ FIRE FIGHTING
FIRE	Not combustible but enhances combustion of other substances. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames. NO contact with flammable substances. NO contact with hot surfaces.	In case of fire in the surroundings: do not use foam or dry chemical, preferably use water in large amounts, water spray.
EXPLOSION	Risk of fire and explosion if mixed with organic substances, metal powders, ammonium compounds, combustible or reducing agents.	Do NOT expose to friction or shock.	In case of fire: keep drums, etc., cool by spraying with water. Combat fire from a sheltered position.

EXPOSURE		PREVENT DISPERSION OF DUST! STRICT HYGIENE!	IN ALL CASES CONSULT A DOCTOR!
•INHALATION	Cough. Sore throat.	Local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
•SKIN	Redness.	Protective gloves.	First rinse with plenty of water, then remove contaminated clothes and rinse again. Refer for medical attention.
•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. Blue lips or fingernails. Blue skin. Confusion. Convulsions. Diarrhoea. Dizziness. Headache. Nausea. Shortness of breath. Sore throat. Unconsciousness. Vomiting. Symptoms may be delayed: See Notes.	Do not eat, drink, or smoke during work.	Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Consult an expert in case of large spill! Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water. Do NOT absorb in saw-dust or other combustible absorbents.

Separated from combustible and reducing substances, strong acids, organics, ammonium compounds, powdered metals, food and feedstuffs. Dry.

Do not transport with food and feedstuffs.
O symbol
Xn symbol
R: 9-20/22
S: 2-13-16-27
UN Hazard Class: 5.1
UN Packing Group: II

SEE IMPORTANT INFORMATION ON BACK

ICSC: 0548

Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

International Chemical Safety Cards

POTASSIUM CHLORATE

ICSC: 0548

I

M

P

O

R

T

A

N

T

D

A

T

A

PHYSICAL STATE; APPEARANCE:
COLOURLESS CRYSTALS OR WHITE POWDER

PHYSICAL DANGERS:

CHEMICAL DANGERS:
The substance decomposes on heating above 400°C, on contact with strong acids producing toxic fumes including chlorine dioxide, chlorine fumes and producing oxygen. The substance is a strong oxidant and reacts violently with combustible and reducing materials, causing fire and explosion hazard. Attacks many metals in presence of water.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.

ROUTES OF EXPOSURE:
The substance can be absorbed into the body by ingestion.

INHALATION RISK:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly especially if powdered.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance irritates the respiratory tract . The substance may cause effects on the blood , kidneys , resulting in lesions of blood cells, kidney impairment and formation of methaemoglobin. The effects may be delayed. Medical observation is indicated.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Decomposes below boiling point at 400°C
Melting point: 368°C

Density: 2.3 g/cm3
Solubility in water, g/100 ml: 7.3

ENVIRONMENTAL
DATA

N O T E S

Will turn shock-sensitive if contaminated with organic substances, reducing materials, metal powders, ammonium compounds. Environmental effects from the substance have not been investigated adequately. Depending on the degree of exposure, periodic medical examination is indicated. Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available. Rinse contaminated clothes (fire hazard) with plenty of water.

Transport Emergency Card: TEC (R)-46.

NFPA Code: H0; F0; R0; ox

ADDITIONAL INFORMATION

ICSC: 0548	POTASSIUM CHLORATE
(C) IPCS, CEC, 1994

IMPORTANT LEGAL NOTICE:

Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.