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
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)
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)
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.
N-Bromosuccinimide Price
- Product number
- 236128
- Product name
- Cobalt(II) fluoride
- Purity
- powder
- Packaging
- 25g
- Price
- $112
- Updated
- 2023/06/20
- Product number
- 013074
- Product name
- Cobalt(II) fluoride, anhydrous, 98%
- Packaging
- 25g
- Price
- $72.65
- Updated
- 2024/03/01
- Product number
- 013074
- Product name
- Cobalt(II) fluoride, anhydrous, 98%
- Packaging
- 100g
- Price
- $225
- Updated
- 2023/06/20
- Product number
- 93-2738
- Product name
- Cobalt(II) fluoride, anhydrous, 99%
- Packaging
- 10g
- Price
- $46
- Updated
- 2024/03/01
- Product number
- 93-2738
- Product name
- Cobalt(II) fluoride, anhydrous, 99%
- Packaging
- 50g
- Price
- $164
- Updated
- 2024/03/01
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
Cobalt(II) fluoride Suppliers
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View Lastest Price from Cobalt(II) fluoride manufacturers
- 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