Name: Cesium Ingot
CAS: 7440-46-2
EC Number: 231-155-4
Chemical Formular: Cs
Appearance: Solid
Molecular Weight: 132.905 g/mol
Melting Point: 301.7 K ​(28.5 °C, ​83.3 °F)
Boiling Point: 944 K ​(671 °C, ​1240 °F)
Density: 1.93 g/cm3
Solubility in water: n/a
Exact Mass: 132.905 g/mol
Monoisotopic Mass: 132.905 g/mol
Topological Polar Surface Area: 0 A^2
Complexity: 0

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MATERIAL SAFETY DATA SHEETS

According to the UN GHS revision 8

Version: 1.0

Creation Date: Aug 24, 2020

Revision Date: Aug 24, 2020

SECTION 1: Identification


1.1

GHS Product identifier

Product name

Cesium Ingot


1.2

Other means of identification

Product number

Other names

EINECS 231-155-4;UNII-1KSV9V4Y4I;cesio


1.3

Recommended use of the chemical and restrictions on use

Identified uses

Radionuclides (radioactive materials)

Uses advised against

no data available


1.4

Supplier’s details

Company

Elements China Limited

Address

Building 2, No.5555, Shenzhuan Hwy, Shanghai , China

Telephone

+86-021-3776-2181

1.5Emergency phone number

Emergency phone number

+86-021-3776-2181

Service hours

Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

SECTION 2: Hazard identification


2.1

Classification of the substance or mixture

Substances and mixtures, which in contact with water, emit flammable gases, Category 1

Skin corrosion, Sub-category 1B


2.2

GHS label elements, including precautionary statements

Pictogram(s)

Signal word

Danger

Hazard statement(s)

H260 In contact with water releases flammable gases which may ignite spontaneously

H314 Causes severe skin burns and eye damage

Precautionary statement(s)
Prevention

P223 Do not allow contact with water.

P231+P232 Handle and store contents under inert gas/….Protect from moisture.

P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/…

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P264 Wash … thoroughly after handling.

Response

P302+P335+P334 IF ON SKIN: Brush off loose particles from skin. Immerse in cool water [or wrap in wet bandages].

P370+P378 In case of fire: Use … to extinguish.

P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P363 Wash contaminated clothing before reuse.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P316 Get emergency medical help immediately.

P321 Specific treatment (see … on this label).

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Storage

P402+P404 Store in a dry place. Store in a closed container.

P405 Store locked up.

Disposal

P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.


2.3

Other hazards which do not result in classification

no data available

SECTION 3: Composition/information on ingredients


3.1

Substances

Chemical nameCommon names and synonymsCAS numberEC number
Cesium IngotCesium ingot7440-46-2231-155-4

SECTION 4: First-aid measures


4.1

Description of necessary first-aid measures

If inhaled

Move the victim into fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration and consult a doctor immediately. Do not use mouth to mouth resuscitation if the victim ingested or inhaled the chemical.

Following skin contact

Take off contaminated clothing immediately. Wash off with soap and plenty of water. Consult a doctor.

Following eye contact

Rinse with pure water for at least 15 minutes. Consult a doctor.

Following ingestion

Rinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Call a doctor or Poison Control Center immediately.


4.2

Most important symptoms/effects, acute and delayed

Excerpt from ERG Guide 138 [Substances – Water-Reactive (Emitting Flammable Gases)]: Inhalation or contact with vapors, substance or decomposition products may cause severe injury or death. May produce corrosive solutions on contact with water. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control may cause pollution. (ERG, 2016)


4.3

Indication of immediate medical attention and special treatment needed, if necessary

Basic treatment: Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if needed. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary . Monitor for shock and treat if necessary . Anticipate seizures and treat if necessary . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport . Do not use emetics. For ingestion, rinse mouth and administer 5 mL/kg up to 200 mL of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool . Cover skin burns with dry sterile dressings after decontamination . Poison A and B

SECTION 5: Fire-fighting measures


5.1

Suitable extinguishing media

Excerpt from ERG Guide 138 [Substances – Water-Reactive (Emitting Flammable Gases)]: DO NOT USE WATER OR FOAM. SMALL FIRE: Dry chemical, soda ash, lime or sand. LARGE FIRE: DRY sand, dry chemical, soda ash or lime or withdraw from area and let fire burn. Move containers from fire area if you can do it without risk. FIRE INVOLVING METALS OR POWDERS (ALUMINUM, LITHIUM, MAGNESIUM, ETC.): Use dry chemical, DRY sand, sodium chloride powder, graphite powder or Met-L-X® powder; in addition, for Lithium you may use Lith-X® powder or copper powder. Also, see ERG Guide 170. FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Do not get water inside containers. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. (ERG, 2016)


5.2

Specific hazards arising from the chemical

Excerpt from ERG Guide 138 [Substances – Water-Reactive (Emitting Flammable Gases)]: Produce flammable gases on contact with water. May ignite on contact with water or moist air. Some react vigorously or explosively on contact with water. May be ignited by heat, sparks or flames. May re-ignite after fire is extinguished. Some are transported in highly flammable liquids. Runoff may create fire or explosion hazard. (ERG, 2016)


5.3

Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

SECTION 6: Accidental release measures


6.1

Personal precautions, protective equipment and emergency procedures

Avoid dust formation. Avoid breathing mist, gas or vapours.Avoid contacting with skin and eye. Use personal protective equipment.Wear chemical impermeable gloves. Ensure adequate ventilation.Remove all sources of ignition. Evacuate personnel to safe areas.Keep people away from and upwind of spill/leak.


6.2

Environmental precautions

Prevent further spillage or leakage if it is safe to do so. Do not let the chemical enter drains. Discharge into the environment must be avoided.


6.3

Methods and materials for containment and cleaning up

Collect and arrange disposal. Keep the chemical in suitable and closed containers for disposal. Remove all sources of ignition. Use spark-proof tools and explosion-proof equipment. Adhered or collected material should be promptly disposed of, in accordance with appropriate laws and regulations.

SECTION 7: Handling and storage


7.1

Precautions for safe handling

Handling in a well ventilated place.
Wear suitable protective clothing.
Avoid contact with skin and eyes.
Avoid formation of dust and aerosols.
Use non-sparking tools.
Prevent fire caused by electrostatic discharge steam.


7.2

Conditions for safe storage, including any incompatibilities

Keep immersed in mineral oil.

SECTION 8: Exposure controls/personal protection


8.1

Control parameters

Occupational Exposure limit values

no data available

Biological limit values

no data available


8.2

Appropriate engineering controls

Ensure adequate ventilation.
Handle in accordance with good industrial hygiene and safety practice.
Set up emergency exits and the risk-elimination area.

8.3Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Wear tightly fitting safety goggles with side-shields conforming to EN 166(EU) or NIOSH (US).

Skin protection

Wear fire/flame resistant and impervious clothing. Handle with gloves. Gloves must be inspected prior to use. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

If the exposure limits are exceeded, irritation or other symptoms are experienced, use a full-face respirator.

Thermal hazards

no data available

SECTION 9: Physical and chemical properties and safety characteristics

Physical state

Cesium is a soft metallic solid. Melts at 85°F. Causes burns to skin and eyes.

Colour

Silvery white, soft, ductile metal

Odour

no data available

Melting point/freezing point

28.5ºC

Boiling point or initial boiling point and boiling range

705°C(lit.)

Flammability

no data available

Lower and upper explosion limit/flammability limit

no data available

Flash point

no data available

Auto-ignition temperature

no data available

Decomposition temperature

no data available

pH

no data available

Kinematic viscosity

0.686 cP at melting point

Solubility

Soluble in liquid ammonia

Partition coefficient n-octanol/water

no data available

Vapour pressure

1 mm Hg ( 279 °C)

Density and/or relative density

1.873g/mLat 25°C(lit.)

Relative vapour density

no data available

Particle characteristics

no data available

SECTION 10: Stability and reactivity


10.1

Reactivity

Highly flammable. Cesium is spontaneously flammable in air at room temperature, if the surface is clean [Merck 11th ed. 1989]. Reacts with water to generate enough heat to ignite the hydrogen produced during the reaction, and to generate caustic cesium hydroxide [Mellor 2 419 1946-47].


10.2

Chemical stability

no data available


10.3

Possibility of hazardous reactions

Ignites spontaneously in air.CESIUM METAL reacts violently with oxidizing agents, even weaker ones. Reacts with boron trifluoride with incandescence when heated [Merck 11th ed. 1989]. Reacts explosively with maleic anhydride [Chem Safety Data Sheet SD-88 1962; Chem. Haz. Info. Series C-71 1960]. Burns in chlorine with a luminous flame [Mellor 2 Supp. 1:380 1956]. Reacts violently with most acids. Reacts violently with fluorine, chlorine, bromine and iodine. Reacts with incandescence with sulfur and phosphorus. Burns vigorously in air.


10.4

Conditions to avoid

no data available


10.5

Incompatible materials

Spontaneously ignites in the atmosphere forming cesium oxides, carbonates and hydroxide.


10.6

Hazardous decomposition products

no data available

SECTION 11: Toxicological information

Acute toxicity

  • Oral: no data available
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

no data available

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

no data available

Aspiration hazard

no data available

SECTION 12: Ecological information


12.1

Toxicity

  • Toxicity to fish: no data available
  • Toxicity to daphnia and other aquatic invertebrates: no data available
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available


12.2

Persistence and degradability

no data available


12.3

Bioaccumulative potential

no data available


12.4

Mobility in soil

no data available


12.5

Other adverse effects

no data available

SECTION 13: Disposal considerations


13.1

Disposal methods

Product

The material can be disposed of by removal to
a licensed chemical destruction plant or by controlled incineration
with flue gas scrubbing. Do not contaminate water, foodstuffs,
feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and
offered for recycling or reconditioning.
Alternatively, the packaging can be punctured to
make it unusable for other purposes and then be disposed of
in a sanitary landfill. Controlled incineration
with flue gas scrubbing is possible for combustible packaging materials.

SECTION 14: Transport information


14.1

UN Number

ADR/RID: UN1383 (For reference only, please check.)IMDG: UN1383 (For reference only, please check.)IATA: UN1383 (For reference only, please check.)


14.2

UN Proper Shipping Name

ADR/RID: PYROPHORIC METAL, N.O.S. or PYROPHORIC ALLOY, N.O.S. (For reference only, please check.)IMDG: PYROPHORIC METAL, N.O.S. or PYROPHORIC ALLOY, N.O.S. (For reference only, please check.)IATA: PYROPHORIC METAL, N.O.S. or PYROPHORIC ALLOY, N.O.S. (For reference only, please check.)


14.3

Transport hazard class(es)

ADR/RID: 4.2 (For reference only, please check.)IMDG: 4.2 (For reference only, please check.)IATA: 4.2 (For reference only, please check.)


14.4

Packing group, if applicable

ADR/RID: I (For reference only, please check.)IMDG: I (For reference only, please check.)IATA: I (For reference only, please check.)


14.5

Environmental hazards

ADR/RID: NoIMDG: NoIATA: No


14.6

Special precautions for user

no data available


14.7

Transport in bulk according to IMO instruments

no data available

SECTION 15: Regulatory information


15.1

Safety, health and environmental regulations specific for the product in question

Chemical nameCommon names and synonymsCAS numberEC number
Cesium IngotCesium ingot7440-46-2231-155-4
European Inventory of Existing Commercial Chemical Substances (EINECS)Listed.
EC InventoryListed.
United States Toxic Substances Control Act (TSCA) InventoryListed.
China Catalog of Hazardous chemicals 2015Listed.
New Zealand Inventory of Chemicals (NZIoC)Not Listed.
Philippines Inventory of Chemicals and Chemical Substances
(PICCS)
Listed.
Vietnam National Chemical InventoryListed.
Chinese Chemical Inventory of Existing Chemical Substances (China
IECSC)
Not Listed.
Korea Existing Chemicals List (KECL)Listed.

SECTION 16: Other information

Information on revision

Creation DateAug 24, 2020
Revision DateAug 24, 2020

Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%

References

  • IPCS – The International Chemical Safety Cards (ICSC), website:
    http://www.ilo.org/dyn/icsc/showcard.home
  • HSDB – Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
  • IARC – International Agency for Research on Cancer, website: http://www.iarc.fr/
  • eChemPortal – The Global Portal to Information on Chemical Substances by OECD, website:
    http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
  • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
  • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
  • ERG – Emergency Response Guidebook by U.S. Department of Transportation, website:
    http://www.phmsa.dot.gov/hazmat/library/erg
  • Germany GESTIS-database on hazard substance, website:
    http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
  • ECHA – European Chemicals Agency, website: https://echa.europa.eu/
Any questions regarding this SDS, Please send your inquiry to [email protected]

Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and
shall be used only as a guide. The information in this document is based on the present state of our
knowledge and is applicable to the product with regard to appropriate safety precautions. It does not
represent any guarantee of the properties of the product. We as supplier shall not be held liable for any
damage resulting from handling or from contact with the above product.

Chemical Formular:Cs
PubChem CID:5354618
IUPAC Name:cesium
Inchl:InChI=1S/Cs
InChI Key:TVFDJXOCXUVLDH-UHFFFAOYSA-N
Canonical SMILES:[Cs]
Pictogram(s):Globally Harmonized System of ClassificationGlobally Harmonized System of Classification
Signal:Danger
GHS Hazard Statements:H260-H314
Hazard Codes:F,C
Risk Codes:R11-14/15-34
Precautionary Statement Codes:P223-P231 + P232-P280-P305 + P351 + P338-P370 + P378-P422
Flash Point:n/a

Caesium

CaesiumCesium (Caesium) is a soft, silvery-gold alkali metal with a melting point of 28 °C (82 °F). Cesium is used in various industries, from the oil industry as cesium formate in drilling fluid, atomic clocks, centrifugation fluids, and cesium vapor thermionic generators, which convert heat energy to electrical energy.
Cesium is a naturally occurring element found combined with other elements in rocks, soil, and dust in low amounts. Naturally occurring cesium is not radioactive and is referred to as stable cesium.
Cesium, the most electropositive and least abundant of the five naturally occurring alkali metals, was discovered spectroscopically in 1860. The first cesium metal was produced in 1881. Because cesium is not mined domestically, the United States is completely dependent on imports. Historically, the most important use for cesium has been in research and development, primarily in chemical and electrical applications.

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