ICSC 0675 - SODIUM THIOCYANATE

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SODIUM THIOCYANATE	ICSC: 0675 (October 2004)
Thiocyanic acid, sodium salt Sodium sulfocyanate Sodium rhodanide

CAS #: 540-72-7

EC Number: 208-754-4

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.		In case of fire in the surroundings, use appropriate extinguishing media.

PREVENT DISPERSION OF DUST!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Further see Ingestion.	Use local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes		Wear 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 refer for medical attention.
Ingestion	Nausea. Vomiting. Diarrhoea. Weakness. Confusion. Convulsions.	Do not eat, drink, or smoke during work.	Rinse mouth. Give a slurry of activated charcoal in water to drink. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Sweep spilled substance into covered containers. Carefully collect remainder. Personal protection: particulate filter respirator adapted to the airborne concentration of the substance.	According to UN GHS Criteria Transportation UN Classification
STORAGE
Separated from acids, bases, oxidants and food and feedstuffs. Dry. Well closed.
PACKAGING

SODIUM THIOCYANATE

ICSC: 0675

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS HYGROSCOPIC CRYSTALS OR WHITE POWDER. Physical dangers Chemical dangers Decomposes on heating. This produces toxic fumes including sulfur oxides, nitrogen oxides, sodium oxide and cyanides. Reacts violently with acids, strong bases and strong oxidants.	Formula: NaSCN Molecular mass: 81.1 Decomposes at 368°C Melting point: ~300°C Density: 1.7 g/cm³ Solubility in water, g/100ml at 21°C: 139

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS HYGROSCOPIC CRYSTALS OR WHITE POWDER.

Physical dangers

Chemical dangers
Decomposes on heating. This produces toxic fumes including sulfur oxides, nitrogen oxides, sodium oxide and cyanides. Reacts violently with acids, strong bases and strong oxidants.

Formula: NaSCN
Molecular mass: 81.1
Decomposes at 368°C
Melting point: ~300°C
Density: 1.7 g/cm³
Solubility in water, g/100ml at 21°C: 139

EXPOSURE & HEALTH EFFECTS
Routes of exposure Effects of short-term exposure The substance may cause effects on the central nervous system. This may result in excitement and convulsions.	Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed. Effects of long-term or repeated exposure The substance may have effects on the central nervous system and thyroid. This may result in impaired functions and hypothyroidism.

EXPOSURE & HEALTH EFFECTS

Routes of exposure

Effects of short-term exposure
The substance may cause effects on the central nervous system. This may result in excitement and convulsions.

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed.

Effects of long-term or repeated exposure
The substance may have effects on the central nervous system and thyroid. This may result in impaired functions and hypothyroidism.

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT

NOTES

ADDITIONAL INFORMATION

EC Classification
Symbol: Xn; R: 20/21/22-32-52/53; S: (2)-13-61; Note: A

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