Name: Thorium Metal
CAS: 7440-29-1
EC Number: 231-139-7
Chemical Formular: Th
Appearance: silvery, often with black tarnish
Molecular Weight: 232.038 g/mol
Melting Point: 2023 K ​(1750 °C, ​3182 °F)
Boiling Point: 5061 K ​(4788 °C, ​8650 °F)
Density: 11.7 g/cm3
Solubility in water: n/a
Exact Mass: 232.03805 g/mol
Monoisotopic Mass: 232.03805 g/mol
Topological Polar Surface Area: 0 A^2
Complexity: 0

Thorium Metal
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99% Thorium Metal
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99.9% Thorium Metal
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Thorium Metal,customized specifications
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MATERIAL SAFETY DATA SHEETS

According to the UN GHS revision 8

Version: 1.0

Creation Date: Sep 01, 2020

Revision Date: Sep 01, 2020

SECTION 1: Identification


1.1

GHS Product identifier

Product name

Thorium Metal


1.2

Other means of identification

Product number

Other names

Thorium,pyrophoric;Torio;Thorium-232


1.3

Recommended use of the chemical and restrictions on use

Identified uses

Industrial and scientific research uses.

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

Acute toxicity – Category 4, Oral

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity – repeated exposure, Category 2


2.2

GHS label elements, including precautionary statements

Pictogram(s)

Signal word

Danger

Hazard statement(s)

H272 May intensify fire; oxidizer

H302 Harmful if swallowed

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

H373 May cause damage to organs through prolonged or repeated exposure

Precautionary statement(s)
Prevention

P264 Wash … thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

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

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

Response

P301+P317 IF SWALLOWED: Get medical help.

P330 Rinse mouth.

P302+P352 IF ON SKIN: Wash with plenty of water/…

P321 Specific treatment (see … on this label).

P332+P317 If skin irritation occurs: Get medical help.

P362+P364 Take off contaminated clothing and wash it before reuse.

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

P319 Get medical help if you feel unwell.

Storage

none

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
Thorium Metal7440-29-1231-139-7

SECTION 4: First-aid measures


4.1

Description of necessary first-aid measures

If inhaled

Fresh air, rest.

Following skin contact

Remove contaminated clothes. Rinse and then wash skin with water and soap. Use radiation detector to ensure no remaining contamination.

Following eye contact

Rinse with plenty of water for several minutes (remove contact lenses if easily possible).

Following ingestion

Rinse mouth.


4.2

Most important symptoms/effects, acute and delayed

no data available


4.3

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

no data available

SECTION 5: Fire-fighting measures


5.1

Suitable extinguishing media

Use dry chemical, carbon dioxide or alcohol-resistant foam.


5.2

Specific hazards arising from the chemical

Highly flammable if powdered. Finely dispersed particles form explosive mixtures in air.


5.3

Special protective actions for fire-fighters

Use special powder, dry sand. NO other agents. In case of fire: keep drums, etc., cool by spraying with water. NO direct contact with water.

SECTION 6: Accidental release measures


6.1

Personal precautions, protective equipment and emergency procedures

Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Sweep spilled substance into covered containers. Carefully collect remainder. Then store and dispose of according to local regulations.


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

NO open flames, NO sparks and NO smoking. NO contact with hot surfaces. Do NOT expose to friction or shock. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust.
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

Fireproof. Separated from strong oxidants. Cool. Well closed. Keep in a well-ventilated room.

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 face shield or eye protection in combination with breathing protection.

Skin protection

Protective gloves. Protective clothing.

Respiratory protection

Use closed system and ventilation.

Thermal hazards

no data available

SECTION 9: Physical and chemical properties and safety characteristics

Physical state

GREY-WHITE METAL POWDER

Colour

no data available

Odour

no data available

Melting point/freezing point

1750°C

Boiling point or initial boiling point and boiling range

4788°C

Flammability

no data available

Lower and upper explosion limit/flammability limit

no data available

Flash point

no data available

Auto-ignition temperature

270°C

Decomposition temperature

no data available

pH

no data available

Kinematic viscosity

no data available

Solubility

no data available

Partition coefficient n-octanol/water

no data available

Vapour pressure

no data available

Density and/or relative density

1.03 g/mL at 25ºC

Relative vapour density

no data available

Particle characteristics

no data available

SECTION 10: Stability and reactivity


10.1

Reactivity

no data available


10.2

Chemical stability

no data available


10.3

Possibility of hazardous reactions

Dust explosion possible if in powder or granular form, mixed with air. If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc.The substance may ignite spontaneously on contact with air. May decompose explosively on shock, friction or concussion. Reacts violently with strong oxidants. Reacts with halogens, hydrogen and sulfur.


10.4

Conditions to avoid

no data available


10.5

Incompatible materials

no data available


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

May cause mechanical irritation to the eyes. Inhalation of the aerosol may cause damage to the lungs.

STOT-repeated exposure

Repeated or prolonged inhalation of the aerosol may cause effects on the lungs. This substance is carcinogenic to humans.

Aspiration hazard

A nuisance-causing concentration of airborne particles can be reached quickly when dispersed.

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: UN3264 (For reference only, please check.)IMDG: UN3264 (For reference only, please check.)IATA: UN3264 (For reference only, please check.)


14.2

UN Proper Shipping Name

ADR/RID: CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S. (For reference only, please check.)IMDG: CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S. (For reference only, please check.)IATA: CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S. (For reference only, please check.)


14.3

Transport hazard class(es)

ADR/RID: 8 (For reference only, please check.)IMDG: 8 (For reference only, please check.)IATA: 8 (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
Thorium Metal7440-29-1231-139-7
European Inventory of Existing Commercial Chemical Substances (EINECS)Listed.
EC InventoryListed.
United States Toxic Substances Control Act (TSCA) InventoryListed.
China Catalog of Hazardous chemicals 2015Not Listed.
New Zealand Inventory of Chemicals (NZIoC)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)Not Listed.

SECTION 16: Other information

Information on revision

Creation DateSep 01, 2020
Revision DateSep 01, 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/

Other Information

This material and its decay products are radioactive.Depending on degree of exposure, estimation of dose received may be required by whole body counting techniques.Depending on the degree of exposure, periodic medical examination is suggested.Storage in a poorly ventilated area may result in a buildup of gaseous radioactive decay products.Prolonged retention in the body leads to long term alpha-irradiation of the tissues.Refer for medical attention if breathing difficulties and/or fever develop.Do NOT take working clothes home.

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:Th
PubChem CID:23960
IUPAC Name:thorium
Inchl:InChI=1S/Th
InChI Key:ZSLUVFAKFWKJRC-UHFFFAOYSA-N
Canonical SMILES:[Th]
Pictogram(s):n/a
Signal:n/a
GHS Hazard Statements:n/a
Hazard Codes:n/a
Risk Codes:n/a
Precautionary Statement Codes:n/a
Flash Point:n/a

Thorium Nanofoil
Thorium compounds
Thorium, elemental
Thorium metal, pyrophoric

Thorium is commonly used to make alloys to increase the strength of metals;Burning thorium dioxide gives off a strong white light so it used to be a white hot gauze cover for gas lamps.Thorium decay stores much more energy than uranium, coal, oil, and other fuels combined, and it contains much more than uranium, so thorium is a promising source of energy.Thorium is also a common ingredient in the manufacture of advanced lenses.Thorium is bombarded with neutrons to produce a nuclear fuel, uranium 233.
In addition, thorium is also a safer nuclear fuel than uranium, which is the future development direction of nuclear energy utilization.

ThoriumThorium is silvery and tarnishes black when it is exposed to air, forming thorium dioxide; it is moderately hard, malleable, and has a high melting point.
Thorium is a weakly radioactive metallic chemical element with the symbol Th and atomic number 90.

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