Zinc fluoride

ChemicalBook > CAS DataBase List > Zinc fluoride

Product Name: Zinc fluoride
CAS No.: 7783-49-5
Chemical Name: Zinc fluoride
Synonyms: ZnF2;Zinc(II) fluoride;Zincfluoride,anhydrous;ZINC FLUORIDE CALCINED;zincfluorure;Zinkfluoride;ZINC FLUORIDE;Zinc fluorure;Zincfiuoride;zincdifluoride
CBNumber: CB8366098
Molecular Formula: F2Zn
Formula Weight: 103.39
MOL File: 7783-49-5.mol

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Zinc fluoride Property

Melting point:: 872 °C (lit.)
Boiling point:: 1500 °C
Density: 4.95 g/mL at 25 °C (lit.)
vapor pressure: 1 mm Hg ( 970 °C)
Flash point:: 1500°C
solubility: Sparingly soluble in hydrochloric acid, nitric acid, and ammonium hydroxide.
form: powder
color: White to beige to light brown
Specific Gravity: 4.95
Water Solubility: SLIGHTLY SOLUBLE
Sensitive: Hygroscopic
Merck: 14,10136
Solubility Product Constant (Ksp): pKsp: 1.52
Exposure limits: ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3
Stability:: hygroscopic
CAS DataBase Reference: 7783-49-5(CAS DataBase Reference)
NIST Chemistry Reference: Zinc difluoride(7783-49-5)
EPA Substance Registry System: Zinc difluoride (7783-49-5)

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Safety

Hazard Codes: Xi,T
Risk Statements: 37/38-41-36/37/38-23/24/25
Safety Statements: 26-39-37/39-45-36/37/39-28
RIDADR: 3288
WGK Germany: 3
RTECS: ZH3500000
F: 3-9
Hazard Note: Toxic
TSCA: Yes
HazardClass: 6.1
PackingGroup: III
HS Code: 28261990
Hazardous Substances Data: 7783-49-5(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P273Avoid release to the environment.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 205567
Product name: Zinc fluoride
Purity: powder, 99%
Packaging: 25g
Price: $95.8
Updated: 2023/06/20

Sigma-Aldrich

Product number: 205567
Product name: Zinc fluoride
Purity: powder, 99%
Packaging: 100g
Price: $271
Updated: 2022/05/15

Alfa Aesar

Product number: 011541
Product name: Zinc fluoride, anhydrous
Purity: 99% min
Packaging: 250g
Price: $320
Updated: 2024/03/01

Alfa Aesar

Product number: 011541
Product name: Zinc fluoride, anhydrous
Purity: 99% min
Packaging: 50g
Price: $89.3
Updated: 2023/06/20

Strem Chemicals

Product number: 93-3011
Product name: Zinc fluoride, anhydrous, 99%
Packaging: 25g
Price: $48
Updated: 2024/03/01

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Zinc fluoride Chemical Properties,Usage,Production

Description

Zinc fluoride (ZnF2) is an inorganic chemical compound. Zinc fluoride is used in the fluorination of organic compounds, in the manufacturing of phosphors for fluorescent lights, in preserving wood, in electroplating baths, in galvanizing steel, and in ceramic manufacturing for glazes and enamels. It is also used as a termite repellent, in pharmaceuticals (e.g. the inhibition of dentin demineralization and collagen degradation), as a flux for welding and soldering (e.g. aluminum).

Chemical Properties

White powder. Soluble in hot acids; slightly soluble in water; insoluble in alcohol.

Physical properties

Anhydrous zinc fluoride is a white hygroscopic solid; tetragonal needles; density 4.9 g/cm³; melts at 872°C; vaporizes at 1,500°C; vapor pressure 1 torr at 1,243°C and 5 torr at 1,328°C; practically insoluble in water, 5.2 mg/L; sparingly soluble in HCl, HNO₃ and ammonia solution
The hydrated salt, ZnF₂?4H₂O, is a white crystalline solid; rhombohedral crystals; density 2.30 g/cm3; loses water of crystallization at 100°C; sparinglysoluble in water, about 1.52 g/100mL at 20°C.

Uses

Zinc Difluoride inhibits the erosion of enamel in vitro. It also functions as a fluorinating agent, Lewis acid catalyst and as an additive for catalytic transformations.

Uses

Zinc fluoride is a white crystalline powder, used in the manufacture of phosphors for fluorescent lights. It also is used in electroplating baths, in preservation of wood, in glazes and enamels for ceramics, and in fluorination reactions of organics.

Preparation

Zinc fluoride may be prepared by heating zinc hydroxide or zinc carbonate with hydrogen fluoride:
Zn(OH)2 + 2HF → ZnF2 + 2H2O
ZnCO3 + 2HF → ZnF2 + CO2 + H2O
Also, it can be precipitated by adding a solution of sodium fluoride to that of zinc acetate:
(CH3COO)2Zn + 2NaF → ZnF2 + 2CH3COONa

Hazard

Toxic material.

Flammability and Explosibility

Not classified

Safety Profile

Poison by subcutaneous route. Can react violently with potassium. A fluorination agent. When heated to decomposition it emits toxic fumes of F and ZnO. See also FLUORIDES and ZINC COMPOUNDS.

Purification Methods

A possible impurity is H2O which can be removed by heating at 100o or by heating to 800o in a dry atmosphere. Heating in the presence of NH4F produces larger crystals. It is sparingly soluble in H2O (1.51g/100mL) but more soluble in HCl, HNO3 and NH4OH. It can be stored in glass bottles. [Kwasnik in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 242 1963.]

References

[1] http://www.npi.gov.au/resource/zinc-and-compounds
[2] https://hazmap.nlm.nih.gov/category-details?id=7782&table=copytblagents
[3] Patent EP 0001677 A1: Flux for soft soldering of aluminum, a fluxed solder composition containing said flux and a method of soft soldering aluminum using said flux

Zinc fluoride Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Zinc fluoride manufacturers

Career Henan Chemical Co

Product: Zinc fluoride 7783-49-5
Price: US $1.00/KG
Min. Order: 1KG
Purity: 98%-99.9%
Supply Ability: 200kg
Release date: 2020-01-10

7783-49-5, Zinc fluorideRelated Search:

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Zinc fluoride 7783-49-5

Zinc Fluoride pure, 98%

7783-49-5

13986-18-0(4水塩)

2FZn

ZnF2xH2O

Catalysis and Inorganic Chemistry

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metal halide

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ZincMetal and Ceramic Science

Inorganics