| Identification | More | [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 Properties | Back 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. | [Specific Heat Capacity]
Cp(crystal):0.688141J/(g·K),at 25℃ | [Sensitive ]
Hygroscopic | [Merck ]
14,8645 | [Exposure limits]
ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 1000 mg/m3 | [Cosmetics Ingredients Functions]
ANTICORROSIVE | [InChI]
1S/Mo.2Na.4O/q;2*+1;;;2*-1 | [InChIKey]
TVXXNOYZHKPKGW-UHFFFAOYSA-N | [SMILES]
[Na+].[Na+].[O-][Mo]([O-])(=O)=O | [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 Data | Back Directory | [Symbol(GHS) ]
GHS07 | [Signal word ]
Warning | [Hazard statements ]
H303-H332 | [Precautionary statements ]
P261-P271-P304+P340-P312a | [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 | [REACH Registrations]
Active | [Storage Class]
13 - Non Combustible Solids | [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. |
| Hazard Information | Back Directory | [Hazard]
Irritant. | [Chemical Properties]
solid | [Definition]
ChEBI: An inorganic sodium salt having molybdate as the counterion. | [Preparation]
Sodium molybdate dihydrate, which is obtained by evaporating an aqueous solution of molybdenum trioxide and sodium hydroxide, can be converted to the anhydrous form by heating at 100 °C. | [General Description]
Sodium molybdate has corrosion resistant properties. On heating, it undergoes degradation and releases Na2O fumes. | [Flammability and Explosibility]
Nonflammable | [reaction suitability]
reagent type: catalyst
core: molybdenum | [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. | [Toxics Screening Level]
The screening level for the elemental molybdenum and insoluble molybdenum compounds is 30 μg/m3, while the screening level for soluble molybdenum compounds is 5 μg/m3 based on an 8 hour averaging time. |
|
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Alfa Aesar
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Energy Chemical
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