Ammonium molybdate tetrahydrate

Synonym(s):Ammonium heptamolybdate tetrahydrate;Ammonium Molybdate;Ammonium molybdate, Hexammonium heptamolybdate 4-hydrate;Ammonium Molybdate, Tetrahydrate;Molybdic acid ammonium salt tetrahydrate

CAS NO.：12054-85-2
Empirical Formula: 4MoO3.3H2MoO4.4H2O.6H3N
Molecular Weight: 1235.85
MDL number: MFCD00167059
EINECS: 601-720-3
SAFETY DATA SHEET (SDS)
Update Date: 2024-12-18 14:08:52

Ammonium molybdate tetrahydrate Structural

What is Ammonium molybdate tetrahydrate?

Chemical properties

White, crystalline powder. Soluble in water; insoluble in alcohol. Nonflammable.

The Uses of Ammonium molybdate tetrahydrate

Ammonium molybdate tetrahydrate is widely utilized in cryo-negative staining which helps to visualize particles while preserving the sample. It is used as a catalyst to desulfurize thiophene and its derivatives. It serves as an analytical reagent to measure the amount of phosphates, silicates, arsenates and lead in an aqueous solution. It is also used in electroplating, in fertilizers for crops and in the production of molybdenum metal and ceramics. It is used as an analgesic in medical field.

The Uses of Ammonium molybdate tetrahydrate

Determination of phosphates, arsenates, and lead.

What are the applications of Application

Ammonium molybdate tetrahydrate is compound used in cryo-negative staining and is also used as an analgesic

General Description

Ammonium molybdate tetrahydrate (AMT) is a molybdenum salt. Study of its extraction from nickel-molybdenum (Ni–Mo) ore by direct hydrometallurgical method has been reported. Its degradation by combustion to form elemental molybdenum powder using metallic reducers has been investigated.

Hazard

Irritant.

Properties of Ammonium molybdate tetrahydrate

Melting point:	190 °C
Boiling point:	190°C
Density	2.498 g/mL at 25 °C (lit.)
storage temp.	Inert atmosphere,Room Temperature
solubility	H₂O: 0.05 M at 20 °C, clear, colorless
form	Solid
color	White to yellow-green
PH	4.0-5.5 (25℃, 0.05M in H2O)
PH Range	5 - 5.5
Odor	Odorless
Water Solubility	400 g/L (20 ºC)
Merck	14,533
Exposure limits	ACGIH: TWA 0.5 mg/m3 NIOSH: IDLH 1000 mg/m3
Stability:	Stable. Incompatible with strong acids, strong oxidizing agents.
CAS DataBase Reference	12054-85-2(CAS DataBase Reference)
EPA Substance Registry System	Molybdate [Mo7O24(6-)], hexaammonium, tetrahydrate (12054-85-2)

Safety information for Ammonium molybdate tetrahydrate

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up.