Ammonium Molybdate or Ammonium Heptamolybdate USP BP IP Pure AR LR Analytical Reagent FCC Food Grade Manufacturers, SDS MSDS Sheet

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Ammonium heptamolybdate is an odourless crystalline compound ranging in colour from white to yellow-green. It is usually encountered as the tetrahydrate, whose chemical formula is (NH4)6Mo7O24·4H2O. It is often referred to as ammonium paramolybdate or simply as ammonium molybdate, although ammonium molybdate can also refer to ammonium orthomolybdate, (NH4)2MoO4, and several other compounds.

Ammonium heptamolybdate or Hexa ammonium molybdate CAS Number 12027-67-7, 12054-85-2 (tetrahydrate), EINECS EC Number 234-320-9, HS Code ---**, Molecular Weight 1163.9 g/mol 1235.86 g/mol (tetrahydrate), Molecular Formula: (NH₄)₆Mo₇O₂₄

We also offer: Ammonium Molybdate CAS Number 13106-76-8, EINECS EC Number 236-031-3, HS Code ---**; Molecular Weight 196.01, Molecular Formula: (NH₄)₂MoO₄

Specifications, Safety Data Sheet, Manufacturing process details, Wholesale retail prices, Uses etc available on these pages for Ammonium Molybdate & Ammonium heptamolybdate or Hexa ammonium molybdate.

(NH4)6Mo7O24-4H2O -- 1235.86 -- 12054-85-2
Appearance: White Crystalline Powder with slight greenish yellow tinge
Assay: 99% minimum
MoO3 content: >80%
Mo content: >53.25%
Insoluble Matter: 0.01% maximum
Chloride (Cl): 0.05% maximum
Sulfate: 0.005% maximum
Iron (Fe): 0.01% maximum
Lead: 0.001% maximum
Copper: 0.001% maximum.

(NH4)6Mo7O24-4H2O 1235.86
Molybdate (Mo7O24 6 ), hexaammonium, tetrahydrate.
Hexaammonium molybdate tetrahydrate [12054-85-2].

Ammonium Molybdate contains not less than 99.3 percent and not more than 101.8 percent of (NH4)6Mo7O244H2O.

Identification: Dissolve 0.6 g of it in 1.4 mL of water and 1.45 mL of ammonium hydroxide. Cool this mixture, and add slowly, with mixing, 7.2 mL of a well-cooled mixture of 3.2 mL of nitric acid and 4 mL of water. Allow to stand for 24 to 48 hours, and filter through a sintered-glass filter. To 5 mL of the filtrate add 2 mL of dibasic sodium phosphate TS: a yellow precipitate is formed, and it is soluble in an excess of 6 N ammonium hydroxide.
Insoluble substances: Dissolve 20 g in 200 mL of water in a beaker, heat to boiling, cover, and heat on a steam bath for 1 hour. Filter the hot solution through a tared filtering crucible, wash the insoluble residue with hot water, and dry at 105 for 2 hours: the weight of the residue so obtained does not exceed 1 mg (0.005%).
Chloride: Maximum 0.002%.
Limit of nitrate: To pass the test.
Sulfate: Maximum 0.02%.
Arsenate, phosphate, and silicate: To pass the test.
Phosphate: Maximum 5 ppm.
Magnesium and alkali salts: Maximum 0.02%.
Heavy metals: The limit is 10 µg per g.
Assay: Dissolve about 1 g of Ammonium Molybdate, accurately weighed, in a mixture of 10 mL of water and 1 mL of ammonium hydroxide in a 250-mL volumetric flask, dilute with water to volume, and mix. Filter the solution, and transfer 50.0 mL of the filtrate to a 600-mL beaker. Add 250 mL of water, 20 g of ammonium chloride, 15 mL of hydrochloric acid, and 0.15 mL of methyl orange TS, heat nearly to boiling, and add 18 mL of lead acetate TS. To the hot solution add, slowly and with constant stirring, a saturated solution of ammonium acetate until the color turns yellow, and then add 15 mL of lead acetate TS. Cover the beaker, and heat just below the boiling temperature until the precipitate has settled. Filter through a tared, porous porcelain crucible, wash with seven or eight successive portions of a mixture of water, saturated ammonium acetate solution, and nitric acid (890:100:10), and finally wash with three successive portions of hot water. Ignite to constant weight at 560C to 625C. Each mg of the lead molybdate so obtained is equivalent to 0.4809 mg of (NH4)6Mo7O244H2O.

Ammonium Molybdate Tetrahydrate AR Analytical Reagent grade
Ammonium Heptamolybdate Tetrahydrate

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Ammonium Molybdate SDS, Safety Data Sheet
MSDS Sheet, Material Safety Data Sheet 01-Oct-20

Product Name & Other Names: Ammonium Molybdate 13106-76-8 or Ammonium Molybdate Tetrahydrate or Molybdic acid ammonium salt tetrahydrate or Ammonium heptamolybdatetetrahydrate 12054-85-2
CAS-No.: 12054-85-2 for Tetrahydrate. Also used are 13106-76-8 or 12027-67-7
EINECS EC-Number: 236-031-3 or 234-320-9
Molecular Formula: H24Mo7N6O24-4H2O for Tetrahydrate and H8MoN2O4 for Anhydrous.
Molecular weight: 1235. 86 for Tetrahydrate.
Relevant uses and uses advised against (if any) : For laboratory and industrial use only.
Suppliers: As per letterhead.

GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008:

Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.

Hazards not otherwise classified (HNOC):
May causes mild skin irritation.
May causes mild eye irritation.

Precautionary statements:
P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P262: Do not get in eyes, on skin, or on clothing.
P281: Use personal protective equipment as required.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P303+P361+P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Always seek medical advice after the first aid treatment.
Skin: Wash off with soap and plenty of water.
Eyes: Wash eyes with plenty of water for at least 15 minutes, lifting lids occasionally. Seek Medical Aid.
Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Ingestion: Never give anything by mouth to an unconscious person.

Flammability of the Product: Non-flammable.
Explosion Hazards in Presence of Various Substances:
Risks of explosion of the product in presence of mechanical impact: Not available.
Risks of explosion of the product in presence of static discharge: Not available.
Slightly explosive in presence of heat.
Fire Fighting Media and Instructions: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture: Nitrogen oxides (NOx), Molybdenum oxides.
Advice for firefighters: Wear self contained breathing apparatus for firefighting if necessary.

Personal precautions, protective equipment, and emergency procedures: Ventilate area of leak or spill. Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage:
Small Spill: Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and dispose of according to legal requirements.
Large Spill: Avoid dust formation. Avoid breathing dust, mist, or gas. Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite). Vacuum or sweep-up and remove to an approved disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate as per law.

Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Prevent any contact with hot surfaces.
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents and acids.

Engineering Controls: Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. If user operations generate dust, fume, or mist, use ventilation to keep exposure to airborne contaminants below the exposure limit.
Personal Protection: Safety glasses. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent Gloves.
Personal Protection in Case of a Large Spill:
Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self-contained breathing apparatus should be used to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product.
Exposure Limits:
TWA 5 mg/m3 USA. OSHA.
TWA 0.5 mg/m3 USA. ACGIH (TLV).

Appearance: Colorless or white powder or crystals.
Odor: Odorless.
Odor threshold: Not available.
pH: Not available.
Relative density: around 2.5 for Tetrahydrate.
Melting point/freezing point: Not available.
Initial boiling point and boiling range: Not available.
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition Temperature: 190C for Tetrahydrate
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility: Soluble in cold water.
Viscosity: Not available.
Molecular Formula: H24Mo7N6O24-4H2O for Tetrahydrate and H8MoN2O4 for Anhydrous.
Molecular weight: 1235. 86 for Tetrahydrate.

Stability: Stable under the condition of storage.
Conditions of Instability: Incompatible materials
Incompatibility with various substances: Reactive with oxidizing agents, acids.
Polymerization: Will not occur.

Toxicity to Animals:
Ammonium Molybdate Tetrahydrate
LD50 Oral - rat: > 2.000 mg/kg
LC50 Inhalation - rat: 4 h - 5 mg/l
LD50 Dermal - rabbit: > 2.000 mg/kg
Carcinogenicity: Not listed by ACGIH, IARC, NTP, or CA Prop 65.
Mutagenic Effects: Not available.
Teratogenic Effects: Not available.
Developmental Toxicity: Not available.
Reproductive Effects: No information available.

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
Ecotoxicity: Not available
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

Waste Disposal: Waste must be disposed of in accordance with federal, state, and local environmental control regulations.

DOT (USA) & ADR/RID : Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods.

SARA 302: No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302.
SARA 313: This material does not contain any chemical components with known CAS numbers that exceed the threshold (De Minimis) reporting levels established by SARA Title III, Section 313.
SARA 311/312 Hazards: See section 2.

DISCLAIMER: The information and recommendations set forth herein (hereinafter "Information") are presented in good faith and believed correct as of the date hereof. It is compiled from various sources and it is not necessarily all inclusive nor fully adequate in every circumstance. In addition, these suggestions should not be confused with nor followed in violation of applicable laws, regulations, rules or insurance requirements applicable. This MSDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose.

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Insoluble matter	0.005%
Chloride (Cl)	0.002%
Nitrate (NO3)	Passes test
Arsenate, phosphate, and silicate (as SiO2)	0.001%
Phosphate (PO4)	5 ppm
Sulfate (SO4)	0.02%
Heavy metals (as Pb)	0.001%
Magnesium (Mg)	0.005%
Potassium (K)	0.002%
Sodium (Na)	0.01%