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Merck
CN

939382

Zinc Fluoride tetrahydrate

greener alternative

≥99.9% trace metals basis

别名:

Zinc difluoride tetrahydrate, Zinc(II) fluoride tetrahydrate

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关于此项目

经验公式(希尔记法):
ZnF2·4H2O
化学文摘社编号:
分子量:
175.45
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.22
Assay:
≥99.9% trace metals basis, 99-102% (Complexometric Titration)
Form:
powder or crystals
Solubility:
water: slightly soluble
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InChI key

OEUUYPRXVRBIFO-UHFFFAOYSA-L

InChI

1S/2FH.4H2O.Zn/h2*1H;4*1H2;/q;;;;;;+2/p-2

SMILES string

[Zn](F)F.O.O.O.O

type

(High purity Salts)

assay

≥99.9% trace metals basis, 99-102% (Complexometric Titration)

form

powder or crystals

greener alternative product characteristics

Catalysis
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sustainability

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impurities

≤1000 ppm (trace metals analysis)

color

white to off-white

mp

872 °C

solubility

water: slightly soluble

density

2.30 (g/cc)

anion traces

chloride (Cl-): ≤20 ppm

cation traces

Al: <20 ppm, Cu: <20 ppm, Fe: <20 ppm, K: <20 ppm, Mg: <20 ppm, Na: <20 ppm, Pb: <20 ppm

application(s)

(Optical Fibre)

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Quality Level

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of the 12 Principles of Green Chemistry. This product has been enhanced for catalytic efficiency. Click here for more information.
Zinc Fluoride tetrahydrate is a white crystalline solid with slight solubility in water. It serves as a source of Zinc for oxygen-sensitive applications and is utilized as a mild fluorinating agent in halogenated hydrocarbons. Additionally, it is employed in the synthesis of fluoride glass optical fibers and optical transmitting glass.

Application

Zinc Fluoride tetrahydrate plays a key role in creating Zinc-based Triazolate Frameworks, Zinc metal Batteries, as well as in the production of glass optical fibers and optical transmitting glass. To illustrate, the synthesis of Zinc-based metal-triazolate frameworks involves mixing HdaTZ and HF in water, filtering the mixture into a microwave tube, adding ZnF2.4H2O, stirring for approximately an hour, heating the mixture in a microwave at 160°C for 1 minute, repeating this process for 30 minutes, and then allowing it to cool to room temperature, resulting in a reddish-white ZnF(daTZ). This substance is utilized to capture CO2 from flue gas. Similarly, to improve the cycling stability and address corrosion issues in aqueous Zn-based batteries, Zinc fluoride is used as a coatings applied to the surface of zinc metal anodes to make dendrite free anode. Researchers employed this simple and rapid anodic growth strategy to produce a 3D interconnected ZnF2 matrix on the surface of Zn metal to enhance wettability for aqueous electrolytes, elevated corrosion resistance, reduced hydrogen evolution reaction, and improved Zn2+ desolvation capability.

pictograms

Exclamation markEnvironment

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Warning

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Irrit. 2

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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分析证书(COA)

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Yang Zhou et al.
ACS applied materials & interfaces, 14(41), 46665-46672 (2022-10-05)
Aqueous Zn (zinc) metal batteries have gotten a lot of interest and research because of their great volumetric capacity, low production cost, and high use safety. However, the coulombic efficiency of the Zn metal anode is low due to Zn
Yang Yang et al.
Advanced materials (Deerfield Beach, Fla.), 33(11), e2007388-e2007388 (2021-02-09)
Aqueous rechargeable Zn metal batteries have attracted widespread attention due to the intrinsic high volumetric capacity, low cost, and high safety. However, the low Coulombic efficiency and limited lifespan of Zn metal anodes resulting from uncontrollable growth of Zn dendrites
Zhaolin Shi et al.
Journal of the American Chemical Society, 142(6), 2750-2754 (2020-01-24)
Construction of thermally and chemically robust metal-organic frameworks (MOFs) is highly desirable for postcombustion CO2 capture from flue gas containing water vapor and other acidic gases. Here we report a strategy based on appending amino groups to the triazolate linkers
Linear and non-linear refractive indices of tellurite glasses in the system TeO2?WO3?ZnF2
E. Yousef et al.
Journal of Non-Crystalline Solids, 342, 82-88 (2004)

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