Calcium molybdate

Base Information

• Chemical Name: Calcium molybdate
• CAS No.: 7789-82-4
• Deprecated CAS: 1786413-13-5,2576420-22-7
• Molecular Formula: Ca*MoO₄
• Molecular Weight: 200.016
• Hs Code.: 2841709000
• European Community (EC) Number: 232-192-9
• ICSC Number: 0992
• UNII: Q03C83V2AN
• Wikipedia: Calcium molybdate
• Wikidata: Q4300386
• Mol file: 7789-82-4.mol

Synonyms:CALCIUM MOLYBDATE;7789-82-4;Calcium molybdate(VI);Molybdate, calcium;CALCIUMMOLYBDATE;Calcium molybdenum oxide;Molybdate (MoO42-), calcium (1:1), (T-4)-;Calcium molybdenum oxide (CaMoO4);EINECS 232-192-9;UNII-Q03C83V2AN;Q03C83V2AN;Molybdic acid (H2MoO4), calcium salt (1:1);EC 232-192-9;Molybdate (MoO42-), calcium (1:1), (beta-4)-;MFCD00015976;ZINCFLUOBORATE;Ca.MoO4;calcium;dioxido(dioxo)molybdenum;MC-400WR;MOLYBDIC ACID, CALCIUM SALT;CALCIUM MOLYBDATE(VI) [MI];AKOS015916062;LS-48654;FT-0694885;(T-4)-Molybdate (MoO42-) calcium (1:1);Molybdate (MoO42#-), calcium (1:1), (T-4)-;Q4300386

Chemical Property of Calcium molybdate

Chemical Property:

• Appearance/Colour: White powder crystal
• Melting Point: 965 °C
• PSA: 80.26000
• Density: 4.35 g/mL at 25 °C(lit.)
• LogP: -0.47520
• Water Solubility.: Soluble in mineral acids. Insoluble in water, ethanol, ethyl ether.
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 201.847653
• Heavy Atom Count: 6
• Complexity: 62.2

Purity/Quality:

99.9% ^*data from raw suppliers

Calcium molybdate ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T
• Hazard Codes: T
• Statements: 23/24/25-36/37/38
• Safety Statements: 22-26-36/37/39-45

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: [O-][Mo](=O)(=O)[O-].[Ca+2]
• Inhalation Risk: A nuisance-causing concentration of airborne particles can be reached quickly when dispersed, especially if powdered.
• Effects of Short Term Exposure: May cause mechanical irritation to the eyes, skin and respiratory tract.
• Uses: Calcium molybdenum oxide is used as an alloying agent in the production of iron and steel, crystals in the optical and electronic applications. In phosphors and luminescent materials.

Technology Process of Calcium molybdate

There total 19 articles about Calcium molybdate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 96.34%

sodium molybdate + calcium(II) nitrate (13477-34-4) → calcium molybdate (7789-82-4)

Guidance literature:

In melt; byproducts: NaNO3; melt of NaNO3, 450.+-.5°C, periodically mixed, 40 min; poured into a dish, left to cool, washed repeatedly (10-20 times) with water, dried at 200°C to constant mass, elem. anal.;

Reference yield:

calcium carbonate + molybdenum(VI) oxide → calcium molybdate (7789-82-4)

Guidance literature:

In neat (no solvent); High Pressure; pressing starting material as tablets (molar ratio 1.05 to 1.1:1) with pressure of 9000 atm, calcination in stream of air for 2 h at 550 to 600°C, crushing, pressing and calcinating for 2 h at 600°C and further 2 h at 700°C;;

Reference yield:

sodium molybdate + calcium(II) nitrate (13477-34-4) → calcium molybdate (7789-82-4)

Guidance literature:

sodium molybdate; calcium(II) nitrate; With ammonium hydroxide; formaldehyd; phenol; In water; at 160 ℃; for 4h; Autoclave;

at 600 ℃; Calcination;

DOI:10.1016/j.jallcom.2016.11.355

upstream raw materials:

calcium(II) nitrate

calcium chloride

sodium molybdate dihydrate

Downstream raw materials:

calcium tungstate

Refernces

• 1、 Petrov,Kofstad. "ELECTRICAL CONDUCTIVITY OF CaMoO4 .". . p. 83 - 88. Retrieved 1979.
• 2、 Zhou, Yongqin,Liu, Jie,Yang, Xuyong,Yu, Xibin,Wang, Litong. "Self-assembly and photoluminescence characterization of CaMo O4: Eu3+, Na+ superstructure via a facile surfactant-free hydrothermal method". . p. K74-K80. Retrieved 2011.
• 3、 Balakrishna,Swart,Ramaraghavulu,Bedyal,Kroon,Ntwaeaborwa. "Structural evolution induced by substitution of designated molybdate sites (MoO4?2) with different anionic groups (BO3?3, PO4?3 and SO4?2) in CaMoO4:Sm3+ phosphors-A study on color tunable luminescent properties". . p. 224 - 237. Retrieved 2017.
• 4、 Han, Yuanyuan,Wang, Liyong,Wang, Dan,Liang, Danyang,Wang, Shiqi,Lu, Guoxin,Di, Zhiyu,Jia, Guang. "Lanthanide ions-doped calcium molybdate pie-like microstructures: Synthesis, structure characterization, and luminescent properties". . p. 3018 - 3023. Retrieved 2017.
• 5、 Kang, Fengwen,Peng, Mingying,Xu, Shanhui,Ma, Zhijun,Dong, Guoping,Qiu, Jianrong. "Broadly tunable emission from CaMoO4:Bi phosphor based on locally modifying the microenvironment around Bi3+ Ions". . p. 1373 - 1380. Retrieved 2014.
• 6、 Chouard, Nolwenn,Caurant, Daniel,Majérus, Odile,Guezi-Hasni, Nadia,Dussossoy, Jean-Luc,Baddour-Hadjean, Rita,Pereira-Ramos, Jean-Pierre. "Thermal stability of SiO2-B2O3-Al2O3-Na2O-CaO glasses with high Nd2O3 and MoO3 concentrations". . p. 84 - 99. Retrieved 2016.
• 7、 Kozhevnikova. "Scheelite-Related Triple Molybdates KCaLn(MoO4)3 in K2MoO4–CaMoO4–Ln2(MoO4)3 (Ln = Nd, Sm, Eu, Gd) Systems: Synthesis and Characterization". . p. 157 - 161. Retrieved 2018.
• 8、 Zhang, Yongfang,Wang, Limin,Chu, Deqing,Sun, Hongming,Wang, Aoxuan,Ma, Zhongchao,Yang, Lufeng,Zhuang, Yan,Bai, Yuze. "Fabrication of coupled twin-shaped hollow hemispherical calcium molybdate via a facile ultrasound-assisted approach". . p. 2444 - 2449. Retrieved 2015.
• 9、 Jiang, Linwen,Wang, Zhenhai,Chen, Hongbing,Chen, Yaping,Chen, Peng,Xu, Zizong. "Thermal annealing effects on the luminescence and scintillation properties of CaMoO4 single crystal grown by Bridgman method". . p. 179 - 187. Retrieved 2018.
• 10、 Musikhin,Naumov,Bespyatov,Shlegel. "Heat capacity and thermodynamic functions of CaMoO4 at low temperatures". . p. 165 - 171. Retrieved 2016.