Chemical Safety Data Sheet MSDS / SDS

Selenium

Revision Date:2024-02-10Revision Number:1

SECTION 1: Identification of the substance/mixture and of the company/undertaking

Product identifier

  • Product name: Selenium
  • CBnumber: CB1183849
  • CAS: 7782-49-2
  • EINECS Number: 231-957-4
  • Synonyms: Se,Selenium

Relevant identified uses of the substance or mixture and uses advised against

  • Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
  • Uses advised against: none

Company Identification

  • Company: Chemicalbook
  • Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
  • Telephone: 400-158-6606

SECTION 2: Hazards identification

GHS Label elements, including precautionary statements

  • Symbol(GHS)
  • Signal wordDanger
Precautionary statements
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P311 Call a POISON CENTER or doctor/physician.
P405 Store locked up.
Hazard statements
H301 Toxic if swalloed
H331 Toxic if inhaled
H373 May cause damage to organs through prolonged or repeated exposure
H413 May cause long lasting harmful effects to aquatic life

SECTION 3: Composition/information on ingredients

Substance

  • Product name: Selenium
  • Synonyms: Se,Selenium
  • CAS: 7782-49-2
  • EC number: 231-957-4
  • MF: Se
  • MW: 78.96

SECTION 4: First aid measures

Description of first aid measures

General advice
First aiders need to protect themselves. Show this material safety data sheet to the doctor in attendance.
If inhaled
After inhalation: fresh air. Immediately call in physician. If breathing stops: immediately apply artificial respiration, if necessary also oxygen.
In case of skin contact
In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower. Consult a physician.
In case of eye contact
After eye contact: rinse out with plenty of water. Call in ophthalmologist. Remove contact lenses.
If swallowed
If swallowed: give water to drink (two glasses at most). Seek medical advice immediately. In exceptional cases only, if medical care is not available within one hour, induce vomiting (only in persons who are wide awake and fully conscious), administer activated charcoal (20 - 40 g in a 10% slurry) and consult a doctor as quickly as possible.

Most important symptoms and effects, both acute and delayed

The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11

Indication of any immediate medical attention and special treatment needed

No data available

SECTION 5: Firefighting measures

Extinguishing media

Suitable extinguishing media
Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Unsuitable extinguishing media
For this substance/mixture no limitations of extinguishing agents are given.

Special hazards arising from the substance or mixture

Selenium/selenium oxides Not combustible.

Ambient fire may liberate hazardous vapours.

Advice for firefighters

Stay in danger area only with self-contained breathing apparatus. Prevent skin contact by keeping a safe distance or by wearing suitable protective clothing.

Further information

Suppress (knock down) gases/vapors/mists with a water spray jet. Prevent fire extinguishing water from contaminating surface water or the ground water system.

NFPA 704

3
0
0
HEALTH 3 Short exposure could cause serious temporary or moderate residual injury (e.g. liquid hydrogen, sulfuric acid, calcium hypochlorite, hexafluorosilicic acid)
FIRE 0 Materials that will not burn under typical fire conditions, including intrinsically noncombustible materials such as concrete, stone, and sand. Materials that will not burn in air when exposed to a temperature of 820 °C (1,500 °F) for a period of 5 minutes.(e.g. Carbon tetrachloride)
REACT 0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)
SPEC. HAZ.

SECTION 6: Accidental release measures

Personal precautions, protective equipment and emergency procedures

Advice for non-emergency personnel: Avoid generation and inhalation of dusts in all circumstances. Avoid substance contact. Ensure adequate ventilation. Evacuate the danger area, observe emergency procedures, consult an expert.

For personal protection see section 8.

Environmental precautions

Do not let product enter drains.

Methods and materials for containment and cleaning up

Cover drains. Collect, bind, and pump off spills. Observe possible material restrictions (see sections 7 and 10). Take up carefully. Dispose of properly. Clean up affected area. Avoid generation of dusts.

Reference to other sections

For disposal see section 13.

SECTION 7: Handling and storage

Precautions for safe handling

Advice on safe handling

Work under hood. Do not inhale substance/mixture.

Hygiene measures

Change contaminated clothing. Preventive skin protection recommended. Wash hands after working with substance.

For precautions see section 2.2.

Conditions for safe storage, including any incompatibilities

Storage conditions

Tightly closed. Dry. Keep in a well-ventilated place. Keep locked up or in an area accessible only to qualified or authorized persons.

Store under inert gas.

Specific end use(s)

Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection

control parameter

Hazard composition and occupational exposure limits
Does not contain substances with occupational exposure limits.

Exposure controls

Personal protective equipment
Eye/face protection

Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Safety glasses

Skin protection

This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN374 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell, Internet: www.kcl.de).

Full contact

Material: Nitrile rubber

Minimum layer thickness: 0,11 mm Break through time: 480 min

Material tested:KCL 741 Dermatril? L

This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN374 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell, Internet: www.kcl.de).

Splash contact Material: Nitrile rubber

Minimum layer thickness: 0,11 mm Break through time: 480 min

Material tested:KCL 741 Dermatril? L

Body Protection

protective clothing

Respiratory protection

required when dusts are generated.

Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.

Recommended Filter type: Filter type P3

The entrepeneur has to ensure that maintenance, cleaning and testing of respiratory protective devices are carried out according to the instructions of the producer.

These measures have to be properly documented.

Control of environmental exposure

Do not let product enter drains.

Exposure limits
TLV-TWA 0.2 mg(Se)/m3 (ACGIH, MSHA, and OSHA); IDLH 100 mg/m3.

SECTION 9: Physical and chemical properties

Information on basic physicochemical properties

  • Appearancelight gray powder
  • OdourNo data available
  • Odour ThresholdNo data available
  • pHNo data available
  • Melting point/freezing pointMelting point/range: 217 °C - lit.
  • Initial boiling point and boiling range 684,9 °C - lit.
  • Flash pointNot applicable
  • Evaporation rateNo data available
  • Flammability (solid, gas)No data available
  • Upper/lower flammability or explosive limitsNo data available
  • Vapour pressure >0,001 hPa at 20 °C
  • Vapour density No data available
  • Relative density4,81 g/cm3 at 25 °C - lit. 4,8 at 25 °C
  • Water solubility0,1 g/l at 20,9 °C - insoluble
  • Partition coefficient: n-octanol/waterlog Pow: 5Not applicable for inorganic substances
  • Autoignition temperature 220 - 250 °C at 1.013,25 hPa - Relative self-ignition temperature for solids
  • Decomposition temperature No data available
  • ViscosityViscosity, kinematic: No data available Viscosity, dynamic: No data available
  • Explosive propertiesNo data available
  • Oxidizing propertiesNo data available
  • resistivity1.2 μΩ-cm, 0°C

Other safety information

No data available

SECTION 10: Stability and reactivity

Reactivity

No data available

Chemical stability

The product is chemically stable under standard ambient conditions (room temperature) .

Possibility of hazardous reactions

Risk of explosion with:

alkali amides Metals Oxygen amides cadmium Potassium sodium

nitrogen oxides Tin

nitrogen trichloride

Risk of ignition or formation of inflammable gases or vapours with: carbides

peroxi compounds

halogen-halogen compounds halogen oxides

Fluorine lithium silicide

barium peroxide Uranium

Generates dangerous gases or fumes in contact with: hydrochloric acid

sulfuric acid

Exothermic reaction with: powdered aluminium Beryllium

bromates chromium(VI) oxide chlorates

Nickel

Oxidizing agents phosphorus platinum

Nitric acid silver oxide Zinc

Alkali metals


Conditions to avoid

no information available

Incompatible materials

No data available

Hazardous decomposition products

In the event of fire: see section 5

SECTION 11: Toxicological information

Information on toxicological effects

Acute toxicity
Acute toxicity estimate Oral - Expert judgment - 100,1 mg/kg Symptoms: Gastrointestinal disturbance
Acute toxicity estimate Inhalation - Expert judgment - 4 h - 0,51 mg/l Dermal
Skin corrosion/irritation
Skin - reconstructed human epidermis (RhE)
Result: No skin irritation (OECD Test Guideline 431)
Serious eye damage/eye irritation
Eyes - Bovine cornea
Result: No eye irritation - 4 h (OECD Test Guideline 437)
Respiratory or skin sensitization
(OECD Test Guideline 429)
Germ cell mutagenicity
Test Type: Ames test
Test system: Salmonella typhimurium
Metabolic activation: with and without metabolic activation Method: OECD Test Guideline 471
Result: negative
Test Type: Chromosome aberration test Species: Mouse
Cell type: Bone marrow Application Route: Intraperitoneal
Result: negative Remarks: (ECHA)
Carcinogenicity
No data available
Reproductive toxicity
No data available
Specific target organ toxicity - single exposure
No data available
Specific target organ toxicity - repeated exposure
May cause damage to organs through prolonged or repeated exposure.
No data available
Toxicity
LD50 orally in Rabbit: 6700 mg/kg

SECTION 12: Ecological information

Toxicity

Toxicity to fish
semi-static test LC50 - Oncorhynchus mykiss (rainbow trout) - > 100 mg/l - 96 h

(OECD Test Guideline 203)

Remarks: (above the solubility limit in the test medium)


Toxicity to daphnia and other aquatic invertebrates

static test EC50 - Daphnia magna (Water flea) - > 100 mg/l - 48 h (OECD Test Guideline 202)

Remarks: (above the solubility limit in the test medium)


Toxicity to algae
static test ErC50 - Pseudokirchneriella subcapitata (algae) - > 100 mg/l - 72 h

(OECD Test Guideline 201)

Remarks: (above the solubility limit in the test medium)


Toxicity to bacteria
static test EC50 - activated sludge - > 3.200 mg/l - 3 h (OECD Test Guideline 209)

Persistence and degradability

The methods for determining the biological degradability are not applicable to inorganic substances.

Bioaccumulative potential

Bioaccumulation Lepomis macrochirus - 60 d

- 640 μg/l(Selenium)


Bioconcentration factor (BCF): 7,7

Mobility in soil

No data available

Results of PBT and vPvB assessment

This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

Other adverse effects

Discharge into the environment must be avoided.

SECTION 13: Disposal considerations

Waste treatment methods

Product

See www.retrologistik.com for processes regarding the return of chemicals and containers, or contact us there if you have further questions.

Incompatibilities

Reacts violently with strong acids and strong oxidizers, chromium trioxide; potassium bromate;cadmium. Reacts with incandescence on gentle heating with phosphorous and metals, such as nickel, zinc, sodium, potassium, platinum. Reacts with water @ 50 ? C forming flammable hydrogen and selenious acids.

Waste Disposal

Powdered selenium: dispose in a chemical waste landfill. When possible, recover selenium and return to suppliers

SECTION 14: Transport information

UN number

ADR/RID: 3288 IMDG: 3288 IATA: 3288

UN proper shipping name


ADR/RID: TOXIC SOLID, INORGANIC, N.O.S. (Selenium) IMDG: TOXIC SOLID, INORGANIC, N.O.S. (Selenium)


IATA: Toxic solid, inorganic, n.o.s. (Selenium)

14.3

Transport hazard class(es)

ADR/RID: 6.1 IMDG: 6.1


IATA: 6.1

14.4

Packaging group

ADR/RID: III IMDG: III


IATA: III

14.5

Environmental hazards

ADR/RID: no IMDG Marine pollutant: no


IATA: no

14.6

Special precautions for user

No data available


SECTION 15: Regulatory information

Safety, health and environmental regulations/legislation specific for the substance or mixture

Regulations on the Safety Management of Hazardous Chemicals
China Catalog of Hazardous chemicals 2015:Listed. website: https://www.mem.gov.cn/
Measures for Environmental Management of New Chemical Substances
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC):Listed. website: https://www.mee.gov.cn/
EC Inventory:Listed.
European Inventory of Existing Commercial Chemical Substances (EINECS):Listed. website: https://echa.europa.eu/
Korea Existing Chemicals List (KECL):Listed. website: http://ncis.nier.go.kr
New Zealand Inventory of Chemicals (NZIoC):Listed. website: https://www.epa.govt.nz/
Philippines Inventory of Chemicals and Chemical Substances (PICCS):Listed. website: https://emb.gov.ph/
United States Toxic Substances Control Act (TSCA) Inventory:Listed. website: https://www.epa.gov/
Vietnam National Chemical Inventory:Listed. website: https://chemicaldata.gov.vn/

SECTION 16: Other information

Abbreviations and acronyms

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

References

【1】CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple

【2】ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp

【3】ECHA - European Chemicals Agency, website: https://echa.europa.eu/

【4】eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en

【5】ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg

【6】Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp

【7】HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm

【8】IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/

【9】IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home

【10】Sigma-Aldrich, website: https://www.sigmaaldrich.com/

Other Information

Do NOT take working clothes home.
Disclaimer:

The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.

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