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Safety & Transport Information
Moderately toxic by intraperitoneal route. Cesium is quite similar to potassium in its elemental state. It has been shown, however, to have pronounced physiological action in experimentation with animals. Hyper-irritability, including marked spasms, has been shown to follow the administration of cesium in amounts equal to the potassium content of the diet. It has been found that replacing the potassium in the diet of rats with cesium caused death after 10–17 days. Ignites spontaneously in air. Violent reaction with water, moisture, or steam releases hydrogen gas which explodes. Violent reaction with acids, halogens, and other oxidizing materials. Incandescent reaction with nonmetals (e.g., sulfur, phosphorus). See also SODIUM.
Risk Codes:
R11 - Highly flammable
R14/15 - Reacts violently with water, liberating extremely flammable gases
R34 - Causes burns
R36/38 - Irritating to eyes and skin
Safety Codes:
S16 - Keep away from sources of ignition - No smoking
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S43 - In case of fire use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add - Never use water)
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
S8 - Keep container dry
Hazard Symbols:
Dangerous fire and explosion risk, ignites spontaneously in moist air, may explode in contact with sulfur or phosphorus, reacts violently with oxidizing materials, causes burns in contact with skin.
Storage temperature :
2-8°C
RID/ADR certification :
UN 3264 8 / PG 3
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Alternative Distributors of [Cesium metal]
Producers or manufacturers change the product range from time to time.
The following companies
have appeared as suppliers in the past / currently not verified
ABCR GmbH & Co. KG | Jinan Haohua Industry Co., Ltd.
Element: 
Chemical-Suppliers.eu