ICSC 0715 - SODIUM PERCHLORATE

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SODIUM PERCHLORATE

ICSC: 0715
_{October 1999}

Sodium perchlorate
Perchloric acid, sodium salt
Inenat

CAS No: 7601-89-0
RTECS No: SC9800000
UN No: 1502
EC No: 017-010-00-6

NaClO₄
Molecular mass: 122.4

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Not combustible but enhances combustion of other substances. Many reactions may cause fire or explosion. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames, NO sparks, and NO smoking. NO contact with flammable substances.	In case of fire in the surroundings: water in large amounts, water spray.
EXPLOSION		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!
Inhalation	Cough. Sore throat.	Local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	Redness.	Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap. >
Eyes	Redness. Pain.	Safety goggles or eye protection in combination with breathing protection.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
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. Personal protection: P2 filter respirator for harmful particles.	O Symbol Xn Symbol R: 9-22 S: (2-)13-22-27 UN Hazard Class: 5.1 UN Pack Group: II

EMERGENCY RESPONSE	SAFE STORAGE
Transport Emergency Card: TEC (R)-51S1502 or 51GO2-I+II+III NFPA Code: H 2; F 0; R 2; ox	Separated from combustible and reducing substances. See Chemical Dangers. Well closed.

IMPORTANT DATA

Physical State; Appearance
WHITE HYGROSCOPIC CRYSTALS OR POWDER.

Chemical dangers
The substance decomposes on heating producing toxic fumes (chlorine, chloroxides). The substance is a strong oxidant and reacts with combustible and reducing materials causing fire and explosion hazard.

Occupational exposure limits
TLV not established.

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.

Effects of short-term exposure
The substance irritates the eyes, the skin and the respiratory tract.

Effects of long-term or repeated exposure
The substance may have effects on the blood, resulting in formation of methaemoglobin. (See Notes).

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Melting point (decomposes): 482°C Density: 2.0 g/cm³ Solubility in water: very good

NOTES

Other melting points: sodium perchlorate monohydrate: 130°C.
Will turn shock-sensitive if contaminated with organic substances.
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.
The recommendations on this Card also apply to Sodium perchlorate monohydrate.
Depending on the degree of exposure, periodic medical examination is suggested.
Card has been partly updated in October 2005. See section Emergency Response.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004

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