Name: SeO2 Powder
CAS: 7446-08-4
EC Number: 231-194-7
Chemical Formular: SeO2
Appearance: White crystals, turn slightly pink with trace decomposition
Molecular Weight: 110.97 g/mol
Melting Point: 340 °C (644 °F; 613 K)
Boiling Point: 350 °C (662 °F; 623 K)
Density: 3.954 g/cm3
Solubility in water: 8.4 g/100 mL (20 °C)
Exact Mass: 111.90635 g/mol
Monoisotopic Mass: 111.90635 g/mol
Topological Polar Surface Area: 34.1 A^2
Complexity: 18.3

Selenium Oxide Powder
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Selenium Oxide Powder SeO2,customized specifications
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MATERIAL SAFETY DATA SHEETS

According to the UN GHS revision 8

Version: 1.0

Creation Date: Sep 21, 2020

Revision Date: Sep 21, 2020

SECTION 1: Identification


1.1

GHS Product identifier

Product name

SeO2 Powder


1.2

Other means of identification

Product number

Other names


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 3, Oral

Skin corrosion, Sub-category 1B

Serious eye damage, Category 1

Acute toxicity – Category 2, Inhalation

Specific target organ toxicity – repeated exposure, Category 2

Hazardous to the aquatic environment, short-term (Acute) – Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) – Category Chronic 1


2.2

GHS label elements, including precautionary statements

Pictogram(s)

Signal word

Danger

Hazard statement(s)

H301 Toxic if swallowed

H314 Causes severe skin burns and eye damage

H330 Fatal if inhaled

H373 May cause damage to organs through prolonged or repeated exposure

H410 Very toxic to aquatic life with long lasting effects

Precautionary statement(s)
Prevention

P264 Wash … thoroughly after handling.

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

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

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

P271 Use only outdoors or in a well-ventilated area.

P284 [In case of inadequate ventilation] wear respiratory protection.

P273 Avoid release to the environment.

Response

P301+P316 IF SWALLOWED: Get emergency medical help immediately.

P321 Specific treatment (see … on this label).

P330 Rinse mouth.

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.

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

P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P317 Get medical help.

P320 Specific treatment is urgent (see … on this label).

P319 Get medical help if you feel unwell.

P391 Collect spillage.

Storage

P405 Store locked up.

P403+P233 Store in a well-ventilated place. Keep container tightly closed.

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
SeO2 PowderSeO27446-08-4231-194-7

SECTION 4: First-aid measures


4.1

Description of necessary first-aid measures

If inhaled

Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.

Following skin contact

Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention .

Following eye contact

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Following ingestion

Rinse mouth. Do NOT induce vomiting. Refer for medical attention .


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

Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.


5.3

Special protective actions for fire-fighters

In case of fire in the surroundings, use appropriate extinguishing media.

SECTION 6: Accidental release measures


6.1

Personal precautions, protective equipment and emergency procedures

Evacuate danger area! Consult an expert! Sweep spilled substance into covered containers. Carefully collect remainder. Then store and dispose of according to local regulations. Personal protection: complete protective clothing including self-contained breathing apparatus. Do NOT let this chemical enter the environment.


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

Separated from food and feedstuffs. Dry.

SECTION 8: Exposure controls/personal protection


8.1

Control parameters

Occupational Exposure limit values

TLV: 0.2 mg/m3, as TWA.MAK: (as Se, inhalable fraction): 0.02 mg/m3; peak limitation category: II(8); skin absorption (H); carcinogen category: 3B; pregnancy risk group: C

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 local exhaust or breathing protection.

Thermal hazards

no data available

SECTION 9: Physical and chemical properties and safety characteristics

Physical state

Solid. Powder.

Colour

White.

Odour

no data available

Melting point/freezing point

340 °C. Atm. press.:1 015.25 hPa.

Boiling point or initial boiling point and boiling range

315 °C

Flammability

no data available

Lower and upper explosion limit/flammability limit

no data available

Flash point

315ºC

Auto-ignition temperature

>= 210 – <= 340 °C. Remarks:Small endothermic effect, no further exothermic or endothermic effects were observed up to 400 °C.

Decomposition temperature

no data available

pH

no data available

Kinematic viscosity

no data available

Solubility

Miscible with water

Partition coefficient n-octanol/water

no data available

Vapour pressure

< 0.001 mm Hg. Temperature:20 °C.

Density and/or relative density

3.95.

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

Decomposes on heating. This produces toxic fumes. The solution in water is a medium strong acid (selenic acid). Attacks many metals in the presence of water.


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: LD50 – rat (male/female) – 68.1 mg/kg bw.
  • Inhalation: LC50 – rat (male/female) – > 0.052 – <= 0.51 mg/L air (analytical).
  • 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

The substance is corrosive to the eyes, skin and respiratory tract. Inhalation may cause lung oedema. See Notes. The substance may cause effects on the eyes. This may result in allergic-type reaction of the eyelids (rose eye). Medical observation is indicated.

STOT-repeated exposure

Repeated or prolonged contact may cause skin sensitization. The substance may have effects on the respiratory tract, gastrointestinal tract, central nervous system and liver. This may result in nasal irritation, persistent garlic odour, stomach pain, nervousness and liver impairment.

Aspiration hazard

Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.

SECTION 12: Ecological information


12.1

Toxicity

  • Toxicity to fish: LC50 – Morone saxatilis – 3 300 µg/L – 96 h. Remarks:Se.
  • Toxicity to daphnia and other aquatic invertebrates: LC50 – Daphnia magna – 550 µg/L – 48 h. Remarks:Se.
  • Toxicity to algae: EC50 – Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum) – 44 240 µg/L – 72 h.
  • Toxicity to microorganisms: EC50 – activated sludge of a predominantly domestic sewage – > 3 200 mg/L – 3 h. Remarks:Respiration rate.


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: UN3283 (For reference only, please check.)IMDG: UN3283 (For reference only, please check.)IATA: UN3283 (For reference only, please check.)


14.2

UN Proper Shipping Name

ADR/RID: SELENIUM COMPOUND, SOLID, N.O.S. (For reference only, please check.)IMDG: SELENIUM COMPOUND, SOLID, N.O.S. (For reference only, please check.)IATA: SELENIUM COMPOUND, SOLID, N.O.S. (For reference only, please check.)


14.3

Transport hazard class(es)

ADR/RID: 6.1 (For reference only, please check.)IMDG: 6.1 (For reference only, please check.)IATA: 6.1 (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: YesIMDG: YesIATA: Yes


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
SeO2 PowderSeO27446-08-4231-194-7
European Inventory of Existing Commercial Chemical Substances (EINECS)Listed.
EC InventoryListed.
United States Toxic Substances Control Act (TSCA) InventoryListed.
China Catalog of Hazardous chemicals 2015Listed.
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)
Listed.
Korea Existing Chemicals List (KECL)Listed.

SECTION 16: Other information

Information on revision

Creation DateSep 21, 2020
Revision DateSep 21, 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

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 are therefore essential.Immediate administration of an appropriate inhalation therapy by a doctor or a person authorized by him/her, should be considered.

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:SeO2
PubChem CID:24007
IUPAC Name:selenium dioxide
Inchl:InChI=1S/O2Se/c1-3-2
InChI Key:JPJALAQPGMAKDF-UHFFFAOYSA-N
Canonical SMILES:O=[Se]=O
Pictogram(s):Globally Harmonized System of ClassificationGlobally Harmonized System of ClassificationGlobally Harmonized System of Classification
Signal:Danger
GHS Hazard Statements:H301 + H331-H373-H410
Hazard Codes:T,N
Risk Codes:R23/25-33-50/53
Precautionary Statement Codes:P261-P273-P301 + P310-P311-P501
Flash Point:n/a

Selenium dioxide
Selane oxo- oxide
Oxoselane oxide

OxygenOxygen is the chemical element with the symbol O and atomic number 8, meaning its nucleus has 8 protons.
Oxygen is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.
Dioxygen is used in cellular respiration and many major classes of organic molecules in living organisms contain oxygen, such as proteins, nucleic acids, carbohydrates, and fats, as do the major constituent inorganic compounds of animal shells, teeth, and bone.
Oxygen was isolated by Michael Sendivogius before 1604, but it is commonly believed that the element was discovered independently by Carl Wilhelm Scheele, in Uppsala, in 1773 or earlier, and Joseph Priestley in Wiltshire, in 1774.

SeleniumSelenium is a chemical element with the symbol Se and atomic number 34.
It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic.
It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. Selenium (from Ancient Greek σελήνη (selḗnē) “Moon”) was discovered in 1817 by Jöns Jacob Berzelius, who noted the similarity of the new element to the previously discovered tellurium (named for the Earth).
Selenium is found in metal sulfide ores, where it partially replaces the sulfur.
Commercially, selenium is produced as a byproduct in the refining of these ores, most often during production. Minerals that are pure selenide or selenate compounds are known but rare.

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