ICSC 0979 - MERCURIC CHLORIDE

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

MERCURIC CHLORIDE

ICSC: 0979
_{November 2003}

Mercury dichloride
Mercury (II) chloride

CAS No: 7487-94-7
RTECS No: OV9100000
UN No: 1624
EC No: 080-010-00-X

HgCl₂
Molecular mass: 271.5

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRE FIGHTING
FIRE	Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.		In case of fire in the surroundings: all extinguishing agents allowed.
EXPLOSION

EXPOSURE		AVOID ALL CONTACT!	IN ALL CASES CONSULT A DOCTOR!
Inhalation	Cough. Sore throat. Burning sensation. Shortness of breath.	Local exhaust or breathing protection.	Fresh air, rest. Half-upright position. Refer for medical attention.
Skin	MAY BE ABSORBED! Redness. Pain. Blisters. Skin burns.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.
Eyes	Pain. Redness. Blurred vision. Severe deep burns.	Face shield, 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	Abdominal cramps. Abdominal pain. Burning sensation. Metallic taste. Diarrhoea. Nausea. Sore throat. Vomiting. Shock or collapse.	Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Give a slurry of activated charcoal in water to drink. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Do NOT wash away into sewer. Sweep spilled substance into containers. Carefully collect remainder, then remove to safe place. Do NOT let this chemical enter the environment. (Extra personal protection: chemical protection suit including self-contained breathing apparatus.)	T+ Symbol N Symbol R: 28-34-48/24/25-50/53 S: (1/2-)36/37/39-45-60-61 UN Hazard Class: 6.1 UN Pack Group: II	Do not transport with food and feedstuffs. Severe marine pollutant.

EMERGENCY RESPONSE	STORAGE
Transport Emergency Card: TEC (R)-61GT5-II	Separated from food and feedstuffs, light metals.

IMPORTANT DATA

Physical State; Appearance
WHITE CRYSTALS OR POWDER.

Chemical dangers
The substance decomposes due to heating producing toxic fumes of mercury and chlorine fumes. Reacts with light metals.

Occupational exposure limits
TLV: (as mercury) 0.025 mg/m³; (skin); A4; (ACGIH 2003).

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol, through the skin 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 is irritating to the respiratory tract and is corrosive to the eyes and the skin. Corrosive on ingestion. The substance may cause effects on the gastrointestinal tract and kidneys, resulting in tissue lesions, kidney failure, collapse and death. Medical observation is indicated.

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. The substance may have effects on the central nervous system, peripheral nervous system and kidneys, resulting in ataxia, sensory and memory disturbances, fatigue, muscle weakness and kidney impairment.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point: 302°C Melting point: 276°C Density: 6.5 g/cm³ Solubility in water, g/100 ml at 20°C: 7.4 Vapour pressure, Pa at 20°C: 0.1 Octanol/water partition coefficient as log Pow: 0.1	The substance is very toxic to aquatic organisms. Bioaccumulation of this chemical may occur along the food chain, for example in aquatic organisms. The substance may cause long-term effects in the aquatic environment.

NOTES

Depending on the degree of exposure, periodic medical examination is indicated.
Do NOT take working clothes home.

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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Updated by AS. Approved by EC. Last update: 05.07.2004