Hydrogen selenide Safety Data Sheets
SAFETY DATA SHEETS
According to the UN GHS revision 8
SECTION 1: Identification
1.1 GHS Product identifier
| Product name | Dihydrogen selenide |
|---|
1.2 Other means of identification
| Product number | - |
|---|---|
| Other names | hydrogen selenide; |
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 | Echemi.com |
|---|---|
| Address | Echemi.com |
| Telephone | Echemi.com |
1.5 Emergency phone number
| Emergency phone number | Echemi.com |
|---|---|
| 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
Flammable gases, Category 1A, Flammable gas
Acute toxicity - Category 2, Inhalation
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) | H280 Contains gas under pressure; may explode if heated H330 Fatal if inhaled H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects |
| Precautionary statement(s) | |
| Prevention | P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P260 Do not breathe dust/fume/gas/mist/vapours/spray. 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 | P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely. P381 In case of leakage, eliminate all ignition sources. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P320 Specific treatment is urgent (see ... on this label). P391 Collect spillage. |
| Storage | P403 Store in a well-ventilated place. 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 name | Common names and synonyms | CAS number | EC number | Concentration |
|---|---|---|---|---|
| Dihydrogen selenide | Dihydrogen selenide | 7783-07-5 | 231-978-9 | 100% |
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
ON FROSTBITE: rinse with plenty of water, do NOT remove clothes.
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 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
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
Shut off supply; if not possible and no risk to surroundings, let the fire burn itself out. In other cases extinguish with powder, carbon dioxide.
5.2 Specific hazards arising from the chemical
Extremely flammable. Gas/air mixtures are explosive.
5.3 Special protective actions for fire-fighters
Shut off supply; if not possible and no risk to surroundings, let the fire burn itself out. In other cases extinguish with powder, carbon dioxide. In case of fire: keep cylinder cool by spraying with water. Combat fire from a sheltered position.
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. Ventilation. NEVER direct water jet on liquid.
6.2 Environmental precautions
Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Ventilation. NEVER direct water jet on liquid.
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. Closed system, ventilation, explosion-proof electrical equipment and lighting. 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.
SECTION 8: Exposure controls/personal protection
8.1 Control parameters
Occupational Exposure limit values
TLV: 0.05 ppm as TWA.MAK: 0.02 mg/m3, 0.006 ppm; peak limitation category: II(8); carcinogen category: 3B; pregnancy risk group: C.EU-OEL: 0.07 mg/m3, 0.02 ppm as TWA; 0.17 mg/m3, 0.05 ppm as STEL
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.
8.3 Individual protection measures, such as personal protective equipment (PPE)
Eye/face protection
Wear safety goggles or face shield.
Skin protection
Cold-insulating gloves.
Respiratory protection
Use closed system or ventilation.
Thermal hazards
no data available
SECTION 9: Physical and chemical properties and safety characteristics
| Physical state | COLOURLESS COMPRESSED LIQUEFIED GAS WITH CHARACTERISTIC ODOUR. |
|---|---|
| Colour | no data available |
| Odour | no data available |
| Melting point/freezing point | -65.73ºC |
| Boiling point or initial boiling point and boiling range | -41.3ºC |
| Flammability | Flammable Gas |
| Lower and upper explosion limit/flammability limit | no data available |
| Flash point | Flammable gas |
| Auto-ignition temperature | no data available |
| Decomposition temperature | no data available |
| pH | no data available |
| Kinematic viscosity | no data available |
| Solubility | in water, ml/100ml at 22.5°C: 270 |
| Partition coefficient n-octanol/water | no data available |
| Vapour pressure | kPa at 21°C: 878 |
| Density and/or relative density | 2.12 |
| Relative vapour density | (air = 1): 2.8 |
| Particle characteristics | no data available |
SECTION 10: Stability and reactivity
10.1 Reactivity
Decomposes above 100°C . This produces toxic and flammable products including selenium (ICSC 0072) and hydrogen (ICSC 0001). The substance is a strong reducing agent. It reacts violently with oxidants. This generates fire and explosion hazard. Contact with air generates toxic and corrosive fumes of selenium dioxide (see ICSC 0946).
10.2 Chemical stability
no data available
10.3 Possibility of hazardous reactions
The gas is heavier than air and may travel along the ground; distant ignition possible.
10.4 Conditions to avoid
no data available
10.5 Incompatible materials
CHEMICAL PROFILE: A colorless, flammable gas of unpleasant odor, a deadly poison by inhalation. It forms explosive mixtures with air. It reacts vigorously with strong oxidizing reagents, e.g., hydrogen peroxide, nitric acid [Sax, 9th ed., 1996, p.1843]. (REACTIVITY, 1999)
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
The substance is irritating to the eyes and respiratory tract. Inhalation of this gas may cause pneumonitis. Exposure at high levels could cause death.
STOT-repeated exposure
no data available
Aspiration hazard
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C.
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: UN3526 (For reference only, please check.) | IMDG: UN3526 (For reference only, please check.) | IATA: UN3526 (For reference only, please check.) |
14.2 UN Proper Shipping Name
| ADR/RID: HYDROGEN SELENIDE, ADSORBED (For reference only, please check.) | IMDG: HYDROGEN SELENIDE, ADSORBED (For reference only, please check.) | IATA: HYDROGEN SELENIDE, ADSORBED (For reference only, please check.) |
14.3 Transport hazard class(es)
| ADR/RID: 2.3 (For reference only, please check.) | IMDG: 2.3 (For reference only, please check.) | IATA: 2.3 (For reference only, please check.) |
14.4 Packing group, if applicable
| ADR/RID: (For reference only, please check.) | IMDG: (For reference only, please check.) | IATA: (For reference only, please check.) |
14.5 Environmental hazards
| ADR/RID: Yes | IMDG: Yes | IATA: 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 name | Common names and synonyms | CAS number | EC number |
|---|---|---|---|
| Dihydrogen selenide | Dihydrogen selenide | 7783-07-5 | 231-978-9 |
| European Inventory of Existing Commercial Chemical Substances (EINECS) | Listed. | ||
| EC Inventory | Listed. | ||
| United States Toxic Substances Control Act (TSCA) Inventory | Listed. | ||
| China Catalog of Hazardous chemicals 2015 | Listed. | ||
| New Zealand Inventory of Chemicals (NZIoC) | Not Listed. | ||
| Philippines Inventory of Chemicals and Chemical Substances (PICCS) | Listed. | ||
| Vietnam National Chemical Inventory | Not Listed. | ||
| Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) | Listed. | ||
| Korea Existing Chemicals List (KECL) | Listed. | ||
SECTION 16: Other information
Information on revision
| Creation Date | July 15, 2019 |
|---|---|
| Revision Date | July 15, 2019 |
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 odour warning when the exposure limit value is exceeded is insufficient.Turn leaking cylinder with the leak up to prevent escape of gas in liquid state.
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.
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