CAS : 7783-21-3
Material Safety Data Sheet
acc. to OSHA and ANSI
1 Identification of substance:
Product details:
Product name: Ammonium Selenate
2 Composition/Data on components:
Chemical characterization:
Description: (CAS#)
Ammonium selenate (CAS# 7783-21-3), 100%
Identification number(s):
EU Number: 034-002-00-8
3 Hazards identification
Hazard description:
T Toxic
N Dangerous for the environment
Information pertaining to particular dangers for man and environment
R 23/25 Toxic by inhalation and if swallowed.
R 33 Danger of cumulative effects.
R 50/53 Very toxic to aquatic organisms, may cause long-term adverse
effects in the aquatic environment
Classification system
HMIS ratings (scale 0-4)
(Hazardous Materials Identification System)
HEALTH 2 Health (acute effects) = 2
Flammability = 0
FIRE 0
Reactivity = 1
REACTIVITY 1
4 First aid measures
General information
Immediately remove any clothing soiled by the product.
Remove breathing apparatus only after contaminated clothing has been
completely removed.
In case of irregular breathing or respiratory arrest provide artificial
respiration.
After inhalation
Supply fresh air. If required, provide artificial respiration. Keep
patient warm.
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
Seek immediate medical advice.
After skin contact
Immediately wash with water and soap and rinse thoroughly.
Seek immediate medical advice.
After eye contact
Rinse opened eye for several minutes under running water. Then consult a
doctor.
After swallowing
Do not induce vomiting; immediately call for medical help.
Seek immediate medical advice.
5 Fire fighting measures
Suitable extinguishing agents
Carbon dioxide, extinguishing powder or water spray. Fight larger fires
with water spray or alcohol resistant foam.
Special hazards caused by the material, its products of combustion or
resulting gases:
In case of fire, the following can be released:
Hydrogen selenide
Metal oxide fume
Ammonia
Protective equipment:
Wear self-contained respirator.
Wear fully protective impervious suit.
6 Accidental release measures
Person-related safety precautions:
Wear protective equipment. Keep unprotected persons away.
Ensure adequate ventilation
Measures for environmental protection:
Do not allow material to be released to the environment without proper
governmental permits.
Measures for cleaning/collecting:
Dispose contaminated material as waste according to item 13.
Ensure adequate ventilation.
Additional information:
See Section 7 for information on safe handling
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.
7 Handling and storage
Handling
Information for safe handling:
Keep container tightly sealed.
Store in cool, dry place in tightly closed containers.
Ensure good ventilation at the workplace.
Open and handle container with care.
Information about protection against explosions and fires:
No special measures required.
Storage
Requirements to be met by storerooms and receptacles:
No special requirements.
Information about storage in one common storage facility:
Do not store together with acids.
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
Store away from oxidizing agents.
Further information about storage conditions:
Keep container tightly sealed.
Store in cool, dry conditions in well sealed containers.
Store under lock and key and with access restricted to technical experts
or their assistants only.
8 Exposure controls and personal protection
Additional information about design of technical systems:
Properly operating chemical fume hood designed for hazardous chemicals
and having an average face velocity of at least 100 feet per minute.
Components with limit values that require monitoring at the workplace:
Selenium and selenium compounds (as Se)
mg/m3
ACGIH TLV 0.2
Austria MAK 0.1
Belgium TWA 0.2
Denmark TWA 0.1
Finland TWA 0.1; 0.3-STEL
Germany MAK 0.1
Hungary 0.1-STEL
Japan OEL 0.1
Korea TLV 0.2
Netherlands MAC-TGG 0.2
Poland TWA 0.1; 0.3-STEL
Sweden NGV 0.1
Switzerland MAK-W 0.1
United Kingdom TWA 0.1
USA PEL 0.2
Additional information: No data
Personal protective equipment
General protective and hygienic measures
The usual precautionary measures for handling chemicals should be
followed.
Keep away from foodstuffs, beverages and feed.
Remove all soiled and contaminated clothing immediately.
Wash hands before breaks and at the end of work.
Store protective clothing separately.
Breathing equipment:
Use suitable respirator when high concentrations are present.
Protection of hands: Impervious gloves
Eye protection: Safety glasses
Body protection: Protective work clothing.
9 Physical and chemical properties:
General Information
Form: Crystalline
Color: Colorless
Odor: Odorless
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
Change in condition
Melting point/Melting range: Decomposes
Not determined
Boiling point/Boiling range: Not determined
Sublimation temperature / start: Not determined
Flash point: Not applicable
Ignition temperature: Not determined
Decomposition temperature: Not determined
Danger of explosion: Product does not present an
explosion hazard.
Explosion limits:
Lower: Not determined
Upper: Not determined
Vapor pressure: Not determined
Density at 20??C (68??F): 2.194 g/cm3
Solubility in / Miscibility with
Water at 7??C (45??F): 1170 g/l
10 Stability and reactivity
Thermal decomposition / conditions to be avoided:
Decomposition will not occur if used and stored according to
specifications.
Materials to be avoided:
Acids
Oxidizing agents
Dangerous reactions No dangerous reactions known
Dangerous products of decomposition:
Ammonia
Hydrogen selenide
Metal oxide fume
11 Toxicological information
Acute toxicity:
Primary irritant effect:
on the skin: Irritant to skin and mucous membranes.
on the eye: Irritating effect.
Sensitization: No sensitizing effects known.
Subacute to chronic toxicity:
Selenium may cause amyotrophic lateral sclerosis, bronchial irritation,
gastrointestinal distress, vasopharyngeal irritation, garlic odor on
breath and sweat, metallic taste, pallor, irritability, excessive
fatigue, loss of fingernails and hair, pulmonary edema, anemia and weight
loss.
Additional toxicological information:
To the best of our knowledge the acute and chronic toxicity of this
substance is not fully known.
EPA-D: Not classifiable as to human carcinogenicity: inadequate human and
animal evidence of carcinogenicity or no data are available.
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
IARC-3: Not classifiable as to carcinogenicity to humans.
NTP-2: Reasonably anticipated to be a carcinogen: limited evidence from
studies in humans or sufficient evidence from studies in experimental
animals.
12 Ecological information:
Ecotoxical effects:
Remark: Very toxic for fish
General notes:
Also poisonous for fish and plankton in water bodies.
Do not allow material to be released to the environment without proper
governmental permits.
Very toxic for aquatic organisms
13 Disposal considerations
Product:
Recommendation
Consult state, local or national regulations to ensure proper disposal.
Uncleaned packagings:
Recommendation: Disposal must be made according to official regulations.
Recommended cleansing agent: Water, if necessary with cleansing agents.
14 Transport information
DOT regulations:
Hazard class: 6.1
Identification number: UN2630
Packing group: I
Proper shipping name (technical
name): Selenates
Land transport ADR/RID (cross-border)
ADR/RID class: 6.1 Toxic substances
Item: 55a
Danger code (Kemler): 60
UN-Number: 2630
Description of goods: Selenates
Maritime transport IMDG:
IMDG Class: 6.1
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
UN Number: 2630
Packaging group: I
Proper shipping name: Selenates
Air transport ICAO-TI and IATA-DGR:
ICAO/IATA Class: 6.1
UN/ID Number: 2630
Packaging group: I
Proper shipping name: Selenates
15 Regulations
Product related hazard informations:
Hazard symbols:
T Toxic
N Dangerous for the environment
Risk phrases:
23/25 Toxic by inhalation and if swallowed.
33 Danger of cumulative effects.
50/53 Very toxic to aquatic organisms, may cause long-term adverse
effects in the aquatic environment
Safety phrases:
20/21 When using do not eat, drink or smoke.
28 After contact with skin, wash immediately with plenty of soap and
water
45 In case of accident or if you feel unwell, seek medical advice
immediately.
60 This material and its container must be disposed of as hazardous
waste.
61 Avoid release to the environment. Refer to special instructions/
Safety data sheets
National regulations
All components of this product are listed in the U.S. Environmental
Protection Agency Toxic Substances Control Act Chemical substance
Inventory.
Information about limitation of use:
For use only by technically qualified individuals.
This product contains selenium and is subject to the reporting
requirements of section 313 of the Emergency Planning and Community Right
to Know Act of 1986 and 40CFR372.
acc. to OSHA and ANSI
1 Identification of substance:
Product details:
Product name: Ammonium Selenate
2 Composition/Data on components:
Chemical characterization:
Description: (CAS#)
Ammonium selenate (CAS# 7783-21-3), 100%
Identification number(s):
EU Number: 034-002-00-8
3 Hazards identification
Hazard description:
T Toxic
N Dangerous for the environment
Information pertaining to particular dangers for man and environment
R 23/25 Toxic by inhalation and if swallowed.
R 33 Danger of cumulative effects.
R 50/53 Very toxic to aquatic organisms, may cause long-term adverse
effects in the aquatic environment
Classification system
HMIS ratings (scale 0-4)
(Hazardous Materials Identification System)
HEALTH 2 Health (acute effects) = 2
Flammability = 0
FIRE 0
Reactivity = 1
REACTIVITY 1
4 First aid measures
General information
Immediately remove any clothing soiled by the product.
Remove breathing apparatus only after contaminated clothing has been
completely removed.
In case of irregular breathing or respiratory arrest provide artificial
respiration.
After inhalation
Supply fresh air. If required, provide artificial respiration. Keep
patient warm.
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
Seek immediate medical advice.
After skin contact
Immediately wash with water and soap and rinse thoroughly.
Seek immediate medical advice.
After eye contact
Rinse opened eye for several minutes under running water. Then consult a
doctor.
After swallowing
Do not induce vomiting; immediately call for medical help.
Seek immediate medical advice.
5 Fire fighting measures
Suitable extinguishing agents
Carbon dioxide, extinguishing powder or water spray. Fight larger fires
with water spray or alcohol resistant foam.
Special hazards caused by the material, its products of combustion or
resulting gases:
In case of fire, the following can be released:
Hydrogen selenide
Metal oxide fume
Ammonia
Protective equipment:
Wear self-contained respirator.
Wear fully protective impervious suit.
6 Accidental release measures
Person-related safety precautions:
Wear protective equipment. Keep unprotected persons away.
Ensure adequate ventilation
Measures for environmental protection:
Do not allow material to be released to the environment without proper
governmental permits.
Measures for cleaning/collecting:
Dispose contaminated material as waste according to item 13.
Ensure adequate ventilation.
Additional information:
See Section 7 for information on safe handling
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.
7 Handling and storage
Handling
Information for safe handling:
Keep container tightly sealed.
Store in cool, dry place in tightly closed containers.
Ensure good ventilation at the workplace.
Open and handle container with care.
Information about protection against explosions and fires:
No special measures required.
Storage
Requirements to be met by storerooms and receptacles:
No special requirements.
Information about storage in one common storage facility:
Do not store together with acids.
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
Store away from oxidizing agents.
Further information about storage conditions:
Keep container tightly sealed.
Store in cool, dry conditions in well sealed containers.
Store under lock and key and with access restricted to technical experts
or their assistants only.
8 Exposure controls and personal protection
Additional information about design of technical systems:
Properly operating chemical fume hood designed for hazardous chemicals
and having an average face velocity of at least 100 feet per minute.
Components with limit values that require monitoring at the workplace:
Selenium and selenium compounds (as Se)
mg/m3
ACGIH TLV 0.2
Austria MAK 0.1
Belgium TWA 0.2
Denmark TWA 0.1
Finland TWA 0.1; 0.3-STEL
Germany MAK 0.1
Hungary 0.1-STEL
Japan OEL 0.1
Korea TLV 0.2
Netherlands MAC-TGG 0.2
Poland TWA 0.1; 0.3-STEL
Sweden NGV 0.1
Switzerland MAK-W 0.1
United Kingdom TWA 0.1
USA PEL 0.2
Additional information: No data
Personal protective equipment
General protective and hygienic measures
The usual precautionary measures for handling chemicals should be
followed.
Keep away from foodstuffs, beverages and feed.
Remove all soiled and contaminated clothing immediately.
Wash hands before breaks and at the end of work.
Store protective clothing separately.
Breathing equipment:
Use suitable respirator when high concentrations are present.
Protection of hands: Impervious gloves
Eye protection: Safety glasses
Body protection: Protective work clothing.
9 Physical and chemical properties:
General Information
Form: Crystalline
Color: Colorless
Odor: Odorless
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
Change in condition
Melting point/Melting range: Decomposes
Not determined
Boiling point/Boiling range: Not determined
Sublimation temperature / start: Not determined
Flash point: Not applicable
Ignition temperature: Not determined
Decomposition temperature: Not determined
Danger of explosion: Product does not present an
explosion hazard.
Explosion limits:
Lower: Not determined
Upper: Not determined
Vapor pressure: Not determined
Density at 20??C (68??F): 2.194 g/cm3
Solubility in / Miscibility with
Water at 7??C (45??F): 1170 g/l
10 Stability and reactivity
Thermal decomposition / conditions to be avoided:
Decomposition will not occur if used and stored according to
specifications.
Materials to be avoided:
Acids
Oxidizing agents
Dangerous reactions No dangerous reactions known
Dangerous products of decomposition:
Ammonia
Hydrogen selenide
Metal oxide fume
11 Toxicological information
Acute toxicity:
Primary irritant effect:
on the skin: Irritant to skin and mucous membranes.
on the eye: Irritating effect.
Sensitization: No sensitizing effects known.
Subacute to chronic toxicity:
Selenium may cause amyotrophic lateral sclerosis, bronchial irritation,
gastrointestinal distress, vasopharyngeal irritation, garlic odor on
breath and sweat, metallic taste, pallor, irritability, excessive
fatigue, loss of fingernails and hair, pulmonary edema, anemia and weight
loss.
Additional toxicological information:
To the best of our knowledge the acute and chronic toxicity of this
substance is not fully known.
EPA-D: Not classifiable as to human carcinogenicity: inadequate human and
animal evidence of carcinogenicity or no data are available.
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
IARC-3: Not classifiable as to carcinogenicity to humans.
NTP-2: Reasonably anticipated to be a carcinogen: limited evidence from
studies in humans or sufficient evidence from studies in experimental
animals.
12 Ecological information:
Ecotoxical effects:
Remark: Very toxic for fish
General notes:
Also poisonous for fish and plankton in water bodies.
Do not allow material to be released to the environment without proper
governmental permits.
Very toxic for aquatic organisms
13 Disposal considerations
Product:
Recommendation
Consult state, local or national regulations to ensure proper disposal.
Uncleaned packagings:
Recommendation: Disposal must be made according to official regulations.
Recommended cleansing agent: Water, if necessary with cleansing agents.
14 Transport information
DOT regulations:
Hazard class: 6.1
Identification number: UN2630
Packing group: I
Proper shipping name (technical
name): Selenates
Land transport ADR/RID (cross-border)
ADR/RID class: 6.1 Toxic substances
Item: 55a
Danger code (Kemler): 60
UN-Number: 2630
Description of goods: Selenates
Maritime transport IMDG:
IMDG Class: 6.1
D Material Safety Data Sheet
acc. to OSHA and ANSI
Product name: Ammonium Selenate
UN Number: 2630
Packaging group: I
Proper shipping name: Selenates
Air transport ICAO-TI and IATA-DGR:
ICAO/IATA Class: 6.1
UN/ID Number: 2630
Packaging group: I
Proper shipping name: Selenates
15 Regulations
Product related hazard informations:
Hazard symbols:
T Toxic
N Dangerous for the environment
Risk phrases:
23/25 Toxic by inhalation and if swallowed.
33 Danger of cumulative effects.
50/53 Very toxic to aquatic organisms, may cause long-term adverse
effects in the aquatic environment
Safety phrases:
20/21 When using do not eat, drink or smoke.
28 After contact with skin, wash immediately with plenty of soap and
water
45 In case of accident or if you feel unwell, seek medical advice
immediately.
60 This material and its container must be disposed of as hazardous
waste.
61 Avoid release to the environment. Refer to special instructions/
Safety data sheets
National regulations
All components of this product are listed in the U.S. Environmental
Protection Agency Toxic Substances Control Act Chemical substance
Inventory.
Information about limitation of use:
For use only by technically qualified individuals.
This product contains selenium and is subject to the reporting
requirements of section 313 of the Emergency Planning and Community Right
to Know Act of 1986 and 40CFR372.
Ammonium selenate
China (Mainland)] 
Assessed
Assessed
Assessed
Premium
Premium