Cobalt(II) fluoride

ChemicalBook > CAS DataBase List > Cobalt(II) fluoride

Preparation

Product Name: Cobalt(II) fluoride
CAS No.: 10026-17-2
Chemical Name: Cobalt(II) fluoride
Synonyms: difluorocobalt;COBALT FLUORIDE;Cobalt(Ⅱ）fluorde;Cobalt(Ⅱ)fluoride;COBALT DIFLUORIDE;COBALTOUS FLUORIDE;COBALT(II) FLUORIDE;Two cobalt fluoride;COBALT FLUORIDE PINK;cobaltfluoride(cof2)
CBNumber: CB7681660
Molecular Formula: CoF2
Formula Weight: 96.93
MOL File: 10026-17-2.mol

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Cobalt(II) fluoride Property

Melting point:

1200 °C

Boiling point:

1400 °C

Density

4.46 g/mL at 25 °C

solubility

soluble in acid solutions

form

powder

color

Pink

Specific Gravity

4.46

Water Solubility

Soluble in water, alcohol and acetone.

Crystal Structure

Rutile type

Sensitive

Hygroscopic

Merck

14,2440

crystal system

square

Space group

P42/mnm

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.4695	0.4695	0.3182	90	90	90	0.0701

Exposure limits

ACGIH: TWA 0.02 mg/m3; TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3

Stability:

hygroscopic

CAS DataBase Reference

10026-17-2(CAS DataBase Reference)

EPA Substance Registry System

Cobalt fluoride (CoF2) (10026-17-2)

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Safety

Hazard Codes: T,C
Risk Statements: 25-34
Safety Statements: 26-36/37/39-45-50A-28A
RIDADR: UN 2923 8/PG 3
WGK Germany: 3
RTECS: GG0770000
F: 21
Hazard Note: Toxic
TSCA: Yes
HazardClass: 6.1
PackingGroup: III
HS Code: 28261990
Hazardous Substances Data: 10026-17-2(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 236128
Product name: Cobalt(II) fluoride
Purity: powder
Packaging: 25g
Price: $112
Updated: 2023/06/20

Alfa Aesar

Product number: 013074
Product name: Cobalt(II) fluoride, anhydrous, 98%
Packaging: 25g
Price: $72.65
Updated: 2024/03/01

Alfa Aesar

Product number: 013074
Product name: Cobalt(II) fluoride, anhydrous, 98%
Packaging: 100g
Price: $225
Updated: 2023/06/20

Strem Chemicals

Product number: 93-2738
Product name: Cobalt(II) fluoride, anhydrous, 99%
Packaging: 10g
Price: $46
Updated: 2024/03/01

Strem Chemicals

Product number: 93-2738
Product name: Cobalt(II) fluoride, anhydrous, 99%
Packaging: 50g
Price: $164
Updated: 2024/03/01

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Cobalt(II) fluoride Chemical Properties,Usage,Production

Preparation

Cobalt(II) fluoride is prepared by heating anhydrous cobalt(II) chloride or oxide in a stream of hydrogen fluoride:
CoCl2 + 2HF → CoF2 + 2HCl
CoO + 2HF → CoF2 + 2H2O
Also, cobalt(II) fluoride can be prepared as a tetrahydrate, CoF2•4H2O by dissolving cobalt(II) hydroxide in hydrofluoric acid. The tetrahydrate is then dehydrated to anhydrous fluoride. Elemental fluorine combines with cobalt at 450°C forming mixtures of cobalt(II)–and cobalt(III) fluorides.

Chemical Properties

Rose-red crystals or powder. Soluble in cold water and hydrofluoric acid. Decomposes in hot water. Ammine complexes can be prepared from the hydrate.

Physical properties

Red tetragonal crystal; density 4.46 g/cm³; melts at 1,127°C; vaporizes around 1,400°C; sparingly soluble in water; soluble in warm mineral acids; decomposes in boiling water. Tetrahydrate is red orthogonal crystal; density 2.22 g/cm³; decomposes on heating; soluble in water; di- and trihydrates are soluble in water.

Uses

Cobalt(II) fluoride can be used as a catalyst to alloy metals. It is also used for optical deposition, of which it tremendously improves optical quality. The compound may be used in dental care.

Uses

Catalyst for organic reactions.

General Description

Violet to red solid. Sinks and mixes slowly with water.

Reactivity Profile

Cobalt(II) fluoride is a toxic, light brown crystalline material, when exposed to water Cobalt(II) fluoride forms highly corrosive hydrofluoric acid. When heated to decomposition Cobalt(II) fluoride emits toxic fumes of metallic cobalt and fluorides [Lewis, 3rd ed., 1993, p. 344].

Hazard

Highly toxic.

Health Hazard

INHALATION: Inhalation of dust may cause pulmonary symptoms. EYES: Irritation. SKIN: Skin rashes, dermatitis. INGESTION: Nausea and vomiting caused by local irritation.
LD50 oral (rat): 150 mg/kg

Safety Profile

Poison by ingestion. When heated to decomposition it emits toxic fumes of Co and F-.

Cobalt(II) fluoride Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Cobalt(II) fluoride manufacturers

Career Henan Chemical Co

Product: Cobalt(II) fluoride 10026-17-2
Price: US $1.00/KG
Min. Order: 1g
Purity: 98%
Supply Ability: 200kgs
Release date: 2020-01-09

10026-17-2, Cobalt(II) fluorideRelated Search:

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10026-17-2 Cobalt(II) fluoride

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10026-17-2

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