Ammonium Molybdate Dihydrate AR – Identification of Product
Chemical Code: CHE-A39
Chemical Name: Ammonium Molybdate tetrahydrate
Chemical Grade: AR
Chemical Formula: (NH₄)₆Mo₇O₂₄ . 4H₂O
Chemical Weight: 1235.86 g/mol
CAS No: 12054-85-2
Chemical Synonyms: Molybdicacid Ammoniumsalt tetrahydrate,
Ammonium Heptamolybdate tetrahydrate.
Ammonium Molybdate Dihydrate AR – Hazards Identification
REACH No: No Data Available
Signal Word: Supplemental Hazard Information: Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
Additional Hazard Information: This substance contains no components considered to be either persistent, bio-accumulative and toxic (PBT), or very persistent and very bio-accumulative (vPvB) at levels of 0.1% or higher.
Ammonium Molybdate Dihydrate AR – Composition of Chemical
Chemical Formula: (NH₄)₆Mo₇O₂₄ . 4H₂O
EC No 1272/2008: No Data Available
Ammonium Molybdate Dihydrate AR – First Aid Measures
General Advice: Consult a physician. Show this safety data sheet to the doctor in attendance.
If: Inhaled: Breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
If: Skin Contact: Wash off with soap and plenty of water. Consult a physician.
If: Eye Contac: Flush eyes with water as a precaution.
If: Swallowed: Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Important Symptoms: The most important known symptoms and effects are described in the labeling section.
Immediate Medical Attention: No Data Available
Firefighting Measures
Extinguishing Media: Use Water spray, Alcohol-resistant foam, Dry chemical or Carbon Dioxide.
Hazards Arising: Nitrogen Oxides, Molybdenum Oxides.
Advice for Firefighters: Wear self contained breathing apparatus for fire fighting if necessary.
Info for Firefighting: No Data Available
Ammonium Molybdate Dihydrate AR – Accidental Release Measures
Personal Precautions: Avoid dust formation.
Avoid breathing vapours, mist or gas. Ensure adequate ventilation.
Enviromental Precautions: Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
Method for Containment: Pick up and arrange disposal without creating dust.
Sweep up and shovel.
Keep in suitable, closed containers for disposal.
Ammonium Molybdate Dihydrate AR – Handling and Storage
Personal Precautions: Provide appropriate exhaust ventilation at places where dust is formed.
Enviromental Precautions: Store in cool place.
Keep container tightly closed in a dry and well-ventilated place.
Exposure Controls | Personal Protection
Derived No Effect Level (DNEL)
Workers | Application Area | Exposure Routes | Health Effect | Value
No Data Available
Consumers | Application Area | Exposure Routes | Health Effect | Value
No Data Available
Predicted No Effect Concentration (PNEC)
No Data Available
Engineering Controls: Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.
Eye/Face Protection: Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166 (EU).
Skin Protection: Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching gloves outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU
Directive 89/686/EEC and the standard EN 374 derived from it.
Full contact –
Material: Nitrile rubber. Minimum layer thickness: 0,11 mm.
Break through time: 480 min. Material tested: Dermatril®.
Splash contact –
Material: Nitrile rubber. Minimum layer thickness: 0,11 mm.
Break through time: 480 min. Material tested: Dermatril®.
Data source: KCL GmbH, D-36124, Test method: EN 374.
If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario.
Body Protection: Choose body protection in relation to its type, to the concentration and amount of dangerous substances, and to the specific work-place.
Respiratory Protection: Respiratory protection is not required. Where protection from nuisance levels of dusts are desired, use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Physical and Chemical Properties
Appearance: White or slightly Yellow to Greenish crystals or powder
Odour: No Data Available
Odour Threshold: No Data Available
pH: No Data Available
Melting Point: No Data Available
Boiling Point: No Data Available
Flash Point: No Data Available
Evaporation: No Data Available
Flammability: No Data Available
Upper/Lower Flammability or Explosive Limits: No Data Available
Vapour pressure: No Data Available
Vapour density: No Data Available
Relative density: 2.498 g/mL at 25 °C
Water solubility: 4.3 g/l at 20 °C
Partition Coefficien: No Data Available
Auto-ignition Temperature: No Data Available
Decomposition Temperature: 190 °C
Viscosity: No Data Available
Explosive properties: No Data Available
Oxidizing properties: No Data Available
Other Safety Info: Bulk density 1.400 kg/m3
Stability and Reactivity
Reactivity: No Data Available
Chemical Stability: Stable under recommended storage conditions
Possibility of hazardous reactions: No Data Available
Conditions to Avoid: No Data Available
Incompatible Materials: Strong oxidizing agents, Strong acids
Hazardous Decomposition Products: Hazardous decomposition products formed under fire conditions – Nitrogen Oxides, Molybdenum Oxides.
Toxicological Information
Acute Toxicity: LD50 Oral – Rat – 333 mg/kg
LC50 Inhalation – Rat – 4 h – 5 mg/l
(Read-across (Analogy))
LD50 Dermal – Rabbit – > 2.000 mg/kg
(Read-across (Analogy))
Skin Corrosion/Irritation: Skin – Rabbit
Result: No skin irritation (OECD Test Guideline 404)
Serious Eye damage | Eye Irritation: Eyes – Rabbit
Result: Mild eye irritation – (OECD Test Guideline 405)
Cell Mutagenicity: Result: Not mutagenic in Ames Test
Carcinogenicity: IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity: No Data Available
Specific Target Organ Toxicity – Single Exposure: No Data Available
Specific Target Organ Toxicity – Repeated Exposure: No Data Available
Aspiration Hazard: No Data Available
Ecological Information
Ecological Toxicity: Toxicity to fish:
LC0 – Oncorhynchus mykiss (rainbow trout) – 320 mg/l – 96 h.
LC50 – Oncorhynchus mykiss (rainbow trout) – 420 mg/l – 96 h.
Toxicity to daphnia and other aquatic invertebrates:
EC50 – Daphnia magna (Water flea) – 140 mg/l – 48 h.
Toxicity to algae: EC50 – Desmodesmus subspicatus (green algae) – 41 mg/l – 72 h
Ecological Persistence and degradability: The methods for determining biodegradability are not applicable to inorganic substances.
Bioaccumulative Potential: No Data Available
Mobility in Soil: No Data Available
Results of PBT and vPvB Assessment: This substance contains no components considered to be either persistent, bio-accumulative and toxic (PBT), or very persistent and very bio-accumulative (vPvB) at levels of 0.1% or higher.
Other Adverse Effect: Harmful to aquatic life.
Disposal Considerations
Waste Treatment Methods: Product –
Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging – Dispose of as unused product.
Transport Information
UN Number: ADR/RID: -.
IMDG: –
IATA: –
UN Shipping Hazard: ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
Transport Hazard Class: ADR/RID: -.
IMDG: –
IATA: –
Packaging Group: ADR/RID: -.
IMDG: –
IATA: –
Enviromental Hazards: ADR/RID: no
IMDG Marine pollutant: no
IATA: no
Special Precautions: No Data Available
Regulatory Information
Safety, Health and environmental regulations: This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Chemical Safety Assessment: For this product a chemical safety assessment was not carried out.
Additional Info: RTECS: QA5076000
To the best of our knowledge, the chemical, physical and toxicological properties have not been thoroughly investigated.
DisclaimerThe information stated above is considered to be correct, but does not claim to be inclusive and shall only be used as a guideline. The information provided by this document is
confirmed by our continuous updating of knowledge and adheres to the products appropriate safety precautions. It does not represent any guarantee of the product’s
properties. RLS Chemicals and its Associates shall not be held accountable for any damage’s consequent of handling the above product.
