Ammonium Molybdate Tetrahydrate – Product identifier
· Classification of the substance or mixture
Skin Irritation 2
H315 Causes skin irritation.
Specific Target Organ Toxicity – Single Exposure 3 H335 May cause respiratory irritation.
Label elements
GHS label elements The substance is classified and labeled according to the Globally Harmonized System (GHS).
Hazard pictograms
Signal word Warning
Hazard statements
Causes skin irritation.
May cause respiratory irritation.

Ammonium Molybdate Tetrahydrate – Precautionary statements
Avoid breathing dust/fume/gas/mist/vapors/spray Wash thoroughly after handling.
Use only outdoors or in a well-ventilated area.
Wear protective gloves / eye protection / face protection. If on skin: Wash with plenty of water.
IF INHALED: Remove person to fresh air and keep comfortable for breathing.
If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Call a poison center/doctor if you feel unwell. Specific treatment (see on this label).

1 Identification
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2 Ammonium Molybdate Tetrahydrate – Hazard(s) identification
If skin irritation occurs: Get medical advice/attention.
Take off contaminated clothing.
Wash contaminated clothing before reuse.
Store in a well-ventilated place. Keep container tightly closed. Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Classification system:
NFPA ratings (scale 0 – 4)
Other hazards
Results of PBT and vPvB assessment
PBT: Not applicable.
vPvB: Not applicable.
Description of first aid measures
After inhalation: In case of unconsciousness place patient stably in side position for transportation.
After skin contact: Immediately wash with water and soap and rinse thoroughly.
After eye contact: Rinse opened eye for several minutes under running water.
After swallowing: If symptoms persist consult doctor.
Information for doctor:
Most important symptoms and effects, both acute and delayed No further relevant information available.
Indication of any immediate medical attention and special treatment needed
No further relevant information available.
Extinguishing media
Suitable extinguishing agents: Use fire fighting measures that suit the environment.
Special hazards arising from the substance or mixture No further relevant information available.
Advice for firefighters
Protective equipment: No special measures required.
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4 First-aid measures

5 Ammonium Molybdate Tetrahydrate – Fire-fighting measures
Chemical characterization: Substances
CAS: 12054-85-2
Ammonium Molybdate Tetrahydrate
100%

3 Composition/information on ingredients
Personal precautions, protective equipment and emergency procedures Not required.
Environmental precautions: Do not allow to enter sewers/ surface or ground water.
Methods and material for containment and cleaning up: Ensure adequate ventilation.
Reference to other sections
See Section 7 for information on safe handling.
See Section 8 for information on personal protection equipment. See Section 13 for disposal information.
Protective Action Criteria for Chemicals
PAC-1: 2.8 mg/m³
PAC-2: 30 mg/m³
PAC-3: 180 mg/m³
Handling:
Precautions for safe handling No special precautions are necessary if used correctly.
Information about protection against explosions and fires: No special measures required.
Conditions for safe storage, including any incompatibilities
Storage:
Requirements to be met by storerooms and receptacles: No special requirements.
Information about storage in one common storage facility: Not required.
Further information about storage conditions: Keep receptacle tightly sealed.
Specific end use(s) No further relevant information available.
Additional information about design of technical systems: No further data; see section 7.
Control parameters
Additional information: The lists that were valid during the creation were used as basis.
Exposure controls
Personal protective equipment:
General protective and hygienic measures:
Keep away from foodstuffs, beverages and feed. Immediately remove all soiled and contaminated clothing. Wash hands before breaks and at the end of work.
Avoid contact with the skin.
Avoid contact with the eyes and skin.
Breathing equipment:
In case of brief exposure or low pollution use respiratory filter device. In case of intensive or longer exposure use respiratory protective device that is independent of circulating air.

6 Accidental release measures
7 Handling and storage

8 Ammonium Molybdate Tetrahydrate – Exposure controls/personal protection
· Components with limit values that require monitoring at the workplace:
CAS: 12054-85-2 Ammonium Molybdate Tetrahydrate
ACGIH
NIOSH
OSHA-FINAL PEL’S
Short-term value: 0.5 mg/m³
Long-term value: 5.0 mg/m³ Short-term value: 1000 mg/m³
Short-term value: 5 mg/m³ Long-term value: 5 mg/m³

9 Ammonium Molybdate Tetrahydrate – Physical and chemical properties
·
Information on basic physical and chemical properties
·
General Information
·
Appearance:
Form: Crystalline Powder
Color: White
·
Odor: Odorless
·
Odor threshold: Not determined.
· pH-value:
Not applicable.
· Change in condition
Melting point/Melting range: Boiling point/Boiling range:
190°C
Not applicable.
· Flash point:
Not applicable.
· Flammability (solid, gaseous):
Product is not flammable.
· Decomposition temperature:
Not determined.
· Ignition temperature:
Not determined.
· Danger of explosion:
Product does not present an explosion hazard.
· Explosion limits: Lower:
Upper:
Not determined. Not determined.
· Vapor pressure:
Not applicable.
·
Density at 20 °C (68 °F):
·
Relative density
·
Vapor density
·
Evaporation rate
≤ 2.5 g/cm³
Not determined.
Not applicable. Not applicable.
· Solubility in / Miscibility with Water at 20 °C (68 °F):
430 g/l
·
Protection of hands:
The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the chemical mixture.
Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
·
Material of gloves
The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and varies from manufacturer to manufacturer.
·
Penetration time of glove material
The exact break through time has to be found out by the manufacturer of the protective gloves and has to be observed.
·
Eye protection: Not required.
·
Body protection: Protective work clothing

Reactivity No further relevant information available.
Chemical stability
Thermal decomposition / conditions to be avoided: No decomposition if used according to specifications.
Possibility of hazardous reactions No dangerous reactions known.
Conditions to avoid No further relevant information available.
Incompatible materials: No further relevant information available.
Hazardous decomposition products: No dangerous decomposition products known.
Information on toxicological effects
Acute toxicity:
Primary irritant effect:
on the skin: Irritant to skin and mucous membranes.
on the eye: No irritating effect.
Sensitization: No sensitizing effects known.
Additional toxicological information:
Carcinogenic categories
IARC (International Agency for Research on Cancer) Substance is not listed.
NTP (National Toxicology Program) Substance is not listed.
OSHA-Ca (Occupational Safety & Health Administration) Substance is not listed.
Toxicity
Aquatic toxicity: No further relevant information available.
Persistence and degradability No further relevant information available.
Behavior in environmental systems:
Bioaccumulative potential No further relevant information available.
Mobility in soil No further relevant information available.
Additional ecological information:
General notes:
Water hazard class 1 (Self-assessment): slightly hazardous for water
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system.
Results of PBT and vPvB assessment
PBT: Not applicable.
vPvB: Not applicable.
Other adverse effects No further relevant information available.
· Partition coefficient (n-octanol/water): Not determined.
· Viscosity:
Dynamic: Not applicable.
Kinematic: Not applicable.
· Other information No further relevant information available.
10 Stability and reactivity
11 Toxicological information

12 Ammonium Molybdate Tetrahydrate – Ecological information
Waste treatment methods
Recommendation:
Must not be disposed of together with household garbage. Do not allow product to reach sewage system.
Uncleaned packagings:
Recommendation: Disposal must be made according to official regulations.
Safety, health and environmental regulations/legislation specific for the substance or mixture
No further relevant information available.
Sara
Section 355 (extremely hazardous substances): Substance is not listed.
Section 313 (Specific toxic chemical listings): Substance is not listed.
TSCA (Toxic Substances Control Act):
Hazardous Air Pollutants Substance is not listed.
Proposition 65
Chemicals known to cause cancer: Substance is not listed.
Chemicals known to cause reproductive toxicity for females: Substance is not listed.
Chemicals known to cause reproductive toxicity for males: Substance is not listed.
Chemicals known to cause developmental toxicity: Substance is not listed.
Carcinogenic categories
EPA (Environmental Protection Agency) Substance is not listed.
TLV (Threshold Limit Value) Substance is not listed.

13 Disposal considerations
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·
UN-Number
·
DOT, ADN, IMDG, IATA Not regulated
·
UN proper shipping name
·
DOT Not regulated
Not regulated
·
ADN, IMDG, IATA Not regulated
·
Transport hazard class(es)
·
DOT Not applicable
·
Class Not regulated
·
ADN/R Class: Not regulated
·
Packing group
·
DOT, IMDG, IATA Not regulated
·
Environmental hazards:
·
Marine pollutant: No
· Special precautions for user Not applicable.
· Transport in bulk according to Annex II of MARPOL73/78 and the IBC Code Not applicable.
· UN “Model Regulation”: Not regulated
* 14 Transport information

15 Ammonium Molybdate Tetrahydrate – Regulatory information
This information is based on our present knowledge. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.
Department issuing SDS: Environment protection department.
Date of preparation / last revision
Creation date for SDS 13/06/2024 STN
Revision 1.0, 10/03/2025: Reviewed SDS for accuracy. MH/STN
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·
NIOSH-Ca (National Institute for Occupational Safety and Health) Substance is not listed.
·
GHS label elements The substance is classified and labeled according to the Globally Harmonized System (GHS).
·
Hazard pictograms
·
Signal word Warning
·
Hazard statements
Causes skin irritation.
May cause respiratory irritation.
·
Precautionary statements
Avoid breathing dust/fume/gas/mist/vapors/spray Wash thoroughly after handling.
Use only outdoors or in a well-ventilated area.
Wear protective gloves / eye protection / face protection. If on skin: Wash with plenty of water.
IF INHALED: Remove person to fresh air and keep comfortable for breathing.
If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Call a poison center/doctor if you feel unwell. Specific treatment (see on this label).
If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing.
Wash contaminated clothing before reuse.
Store in a well-ventilated place. Keep container tightly closed. Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
·
Chemical safety assessment: A Chemical Safety Assessment has not been carried out. 16 Other information