ChemicalBook--->CAS DataBase List--->7631-95-0

7631-95-0

7631-95-0 Structure

7631-95-0 Structure
IdentificationMore
[Name]

Sodium molybdate
[CAS]

7631-95-0
[Synonyms]

SILICA MONITOR REAGENT
SODIUM META-MOLYBDATE
SODIUM MOLYBDATE
SODIUM MOLYBDENUM OXIDE
(beta-4)-molybdate(moo42-disodium
Disodium molybdate
disodium,(T-4)-Molybdate
disodiummolybdate
Molybdate (MoO42-), disodium, (T-4)-
Molybdate (MoO42-), disodium, (T-4)-
molybdic
Molybdic acid (H2MoO4), disodium salt
Molybdic acid, disodium salt
molybdicacid,disodiumsalt
Molybdicaciddisodiumsalt
Natriummolybdat
Sodium molybdate (Na2MoO4)
sodiummolybdate(vi
sodiummolybdate(vi)
SODIUM MOLYBDATE, 98+%
[EINECS(EC#)]

231-551-7
[Molecular Formula]

MoNa2O4
[MDL Number]

MFCD00003486
[Molecular Weight]

205.92
[MOL File]

7631-95-0.mol
Chemical PropertiesBack Directory
[Appearance]

solid
[Melting point ]

687 °C (lit.)
[density ]

3.78 g/mL at 25 °C(lit.)
[refractive index ]

1.714
[storage temp. ]

Store at 4°C, protect from light, stored under nitrogen
[solubility ]

insoluble in EtOH; insoluble in DMSO; ≥20.6 mg/mL in H2O
[form ]

Powder
[color ]

White
[Specific Gravity]

3.28
[Odor]

odorless
[Stability:]

Stable. Incompatible with strong oxidizing agents.
[Water Solubility ]

It is soluble in water.
[Sensitive ]

Hygroscopic
[Merck ]

14,8645
[Exposure limits]

ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 1000 mg/m3
[InChIKey]

TVXXNOYZHKPKGW-UHFFFAOYSA-N
[Uses]

Reagent in analytical chemistry, paint pigment, production of molybdated toners and lakes, metal finishing, brightening agent for zinc plating, corro- sion inhibitor, catalyst in dye and pigment produc- tion, additive for fertilizers and feeds, micronutri- ent.
[CAS DataBase Reference]

7631-95-0(CAS DataBase Reference)
[NIST Chemistry Reference]

sodium molybdate(VI)(7631-95-0)
[EPA Substance Registry System]

7631-95-0(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

1
[RTECS ]

QA5075000
[TSCA ]

Yes
[Safety Profile]

Poison by intraperitoneal route. Moderately toxic by subcutaneous and intravenous routes. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of Na2O. See also MOLYBDENUM COMPOUNDS.
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Sodium hydroxide-->Molybdenum trioxide-->Ammonium molybdate
[Preparation Products]

CI NO 77605-->Pigment Violet 3-->Pigment Fast Rose Toner
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Sodium molybdate (7631-95-0).msds
Hazard InformationBack Directory
[Hazard]

Irritant.
[Chemical Properties]

solid
[Definition]

ChEBI: An inorganic sodium salt having molybdate as the counterion.
[General Description]

Sodium molybdate has corrosion resistant properties. On heating, it undergoes degradation and releases Na2O fumes.
[Flammability and Explosibility]

Nonflammable
[Agricultural Uses]

Sodium molybdate (NazMoO4-2H2O), which is an important molybdenum source, is applied along with other fertilizers or as a foliar spray (with 39% molybdenum). Sodium molybdate is the sodium salt of molybdic acid. Fusing molybdenum oxide with sodium carbonate or hydroxide makes sodium molybdate.
Molybdenum is an essential component of the enzyme nitrate reductase which catalyzes the conversion of nitrate (NO3-) to nitrite (NO2-). It is also a component of the nitrogenase enzyme involved in nitrogen fixation by root nodule bacteria of leguminous crops. Soaking seeds in sodium molybdate solution (made with slurry or dust) before sowing is an effective seed treatment. Sodium molybdate, the most commonly used fertilizer supplying molybdenum, is used as foliar spray, or in mixed fertilizers. It is also used in seed treatment.
[Biological Activity]

sodium molybdate is an acid phosphatase inhibitor. the osteoclastic acid phosphatase isoenzyme, secreted by osteoclasts, is a member of a widely-distributed class of iron-containing proteins with acid phosphatase activity. elevated plasma isoenzyme levels are associated with increased bone turnover in metabolic disease. by inhibiting this class of acid phosphatases, sodium molybdate is capable of abolishing bone resorption. in addition, sodium molybdate has been shown to stabilize the nonactivated glucocorticoid-receptor complex.1. zaidi m, moonga b, moss dw, et al. inhibition of osteoclastic acid phosphatase abolishes bone resorption. biochemical and biophysical research communications, 1989, 159(1): 68-71.2. denis m, wikstr?m ac, gustafsson ja. the molybdate-stabilized nonactivated glucocorticoid receptor contains a dimer of mr 90,000 non-hormone-binding protein. journal of biological chemistry, 1987, 262(24): 11803-11806.
Questions And AnswerBack Directory
[Preparation]

may be obtained as a dihydrate by evaporating an aqueous solution of molybdenum trioxide and sodium hydroxide. Heating the dihydrate at 100°C converts it to the anhydrous salt.
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Sodium molybdenum oxide, anhydrous, Mo 46.2%(7631-95-0)
[Sigma Aldrich]

7631-95-0(sigmaaldrich)
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