Sodium Metatungstate

Sodium metatungstate also known as hexasodium tungstate hydrate and it is a white crystal. Its physical properties are shown below: chemical formula: Na6O39W12, the molecular weight: 2968.01, density: 3.1g/ml, refractive index: 1.5555. Related systems numbers of Na6O39W12 are as follows: CAS registry number: 12141-67-2, MDL number: MFCD00061466, EINECS number: 412-770-9, PubChem ID: 24886321. Sodium metatungstate is stable at room temperature and atmospheric pressure, but to avoid contact the material and oxide and it should be sealed and stored at room temperature which somewhere is ventilated and dry.
Sodium metatungstate to water has a certain degree hazard and even a small amount of this product contact with groundwater will pollute the drinking water. So without permission from the relevant government cannot release the material into the surrounding environment. Meanwhile, the products have a certain irritation, if accidentally touching the eyes and skin to use plenty of water clean it and go to hospital to treatment. Therefore, during at the operation, the worker should to take some protective measures, such as wearing protective glasses, protective masks and protective clothing and so on.

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