ICSC 1064 - ZINC CHLORIDE

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

ZINC CHLORIDE

ICSC: 1064
_{March 2002}

Zinc dichloride

CAS No: 7646-85-7
RTECS No: ZH1400000
UN No: 2331
EC No: 030-003-00-2

ZnCl₂
Molecular mass: 136.3

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		PREVENT DISPERSION OF DUST!	IN ALL CASES CONSULT A DOCTOR!
Inhalation	Cough. Sore throat. Burning sensation. Laboured breathing. Shortness of breath. Symptoms may be delayed (see Notes).	Local exhaust or breathing protection.	Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.
Skin	Skin burns. Pain. Redness.	Protective gloves.	Rinse and then wash skin with water and soap. Refer for medical attention.
Eyes	Pain. Redness. Severe deep burns.	Safety goggles or eye protection in combination with breathing protection if powder.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion	Abdominal pain. Burning sensation in the throat and chest. Sore throat. Nausea. Vomiting. Shock or collapse.	Do not eat, drink, or smoke during work. Wash hands before eating.	Do NOT induce vomiting. Give plenty of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Personal protection: P3 filter respirator for toxic particles. Do NOT let this chemical enter the environment. Sweep spilled substance into containers. Carefully collect remainder, then remove to safe place.	C Symbol N Symbol R: 22-34-50/53 S: (1/2-)26-36/37/39-45-60-61 UN Hazard Class: 8 UN Pack Group: III	Do not transport with food and feedstuffs.

EMERGENCY RESPONSE	SAFE STORAGE
Transport Emergency Card: TEC (R)-80GC2-II+III	Separated from strong bases, food and feedstuffs. Dry. Well closed.

IMPORTANT DATA

Physical State; Appearance
HYGROSCOPIC WHITE SOLID IN VARIOUS FORMS

Chemical dangers
The substance decomposes on heating producing toxic fumes of hydrogen chloride and zinc oxide. The solution in water is a medium strong acid.

Occupational exposure limits
TLV: (as fume) 1 mg/m³ as TWA; 2 mg/m³ as STEL; (ACGIH 2004).
MAK: (as fume) IIb (not established but data is available) (DFG 2004).

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, especially if powdered.

Effects of short-term exposure
The substance is corrosive to the eyes and the skin. The aerosol is irritating to the respiratory tract. Corrosive on ingestion. Inhalation of fume of this substance may cause lung oedema (see Notes). The substance may cause effects on the pancreas, if ingested. Acute exposure to high concentrations of zinc chloride fume can lead to Adult Respiratory Distress Syndrome leading to pulmonary fibrosis and death.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point: 732°C Melting point: 290°C Density: 2.9 g/cm³ Solubility in water, g/100 ml at 25°C: 432 very good	The substance is very toxic to aquatic organisms. It is strongly advised that this substance does not enter the environment.

NOTES

Other UN: 1840 Zinc chloride solution, Hazard Class 8.
The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation is therefore essential.
Card has been partly updated in October 2004 and 2005. See sections Occupational Exposure Limits, EU classification, 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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