NIOBIUM(V) IODIDE
- Product Name
- NIOBIUM(V) IODIDE
- CAS No.
- 13779-92-5
- Chemical Name
- NIOBIUM(V) IODIDE
- Synonyms
- NIOBIUM IODIDE;Einecs 237-422-1;NIOBIUM(V) IODIDE;niobiumiodide(nbi5);niobium pentaiodide;COLUMBIUM PENTAIODIDE;Niobium(V)pentaiodide;niobium(5+),pentaiodide;Niobium(V)iodide(99%-Nb);NIOBIUM(V) IODIDE, -8 MESH
- CBNumber
- CB5150423
- Molecular Formula
- I5Nb
- Formula Weight
- 727.43
- MOL File
- 13779-92-5.mol
NIOBIUM(V) IODIDE Property
- Melting point:
- >300 °C(lit.)
- Density
- 5.32
- solubility
- reacts with H2O
- form
- yellow-black monoclinic crystals
- color
- yellow-black monoclinic crystals, crystalline
- EPA Substance Registry System
- Niobium iodide (NbI5) (13779-92-5)
Safety
- Hazard Codes
- C
- Risk Statements
- 34
- Safety Statements
- 22-26-27-36/37/39-45
- RIDADR
- UN 3260 8/PG 2
- WGK Germany
- 3
- HazardClass
- 8
- PackingGroup
- III
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H225Highly Flammable liquid and vapour
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233Keep container tightly closed.
P240Ground/bond container and receiving equipment.
P241Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242Use only non-sparking tools.
P243Take precautionary measures against static discharge.
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.
P370+P378In case of fire: Use … for extinction.
P403+P235Store in a well-ventilated place. Keep cool.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- ING0010571
- Product name
- NIOBIUM(V)IODIDE
- Purity
- 95.00%
- Packaging
- 10G
- Price
- $1342.11
- Updated
- 2021/12/16
NIOBIUM(V) IODIDE Chemical Properties,Usage,Production
Chemical Properties
black powder(s); monoclinic, a=1.058 nm, b=0.658nm, c=1.388nm; sensitive to moisture; obtained by reaction of excess I2 with Nb metal in a sealed tube [STR93] [KIR81]
Preparation
A vertical tube of Vycor or Pyrex glass (I.D. approximately 23 mm., wall thickness 2.5 mm.) is charged with 4-12 g. of Nb metal (either solid or powder). A dense glass wool plug is placed over the charge and approximately 20 cm. from the closed tube end, followed by a 20% excess of pure, resublimed I2 powder. The tube and its contents are thoroughly degassed in a high vacuum and melt-sealed under vacuum. Then the reactor is placed in a slightly inclined position (with the Nb metal at the higher and the I3 at the lower end) and heated by means of two separate tubular electric furnaces (these meet at the center of the tube). The niobium is heated to 300℃ and the I2 first to 180℃ and then to 250℃. The reaction is nearly quantitative after 10-15 hours and Nbl5 crystals collect in the transition zone between the two temperature regions. The yields are lower with Nb powder than with solid Nb. The reactor is broken at the center, the Nbl5 is removed under anhydrous conditions, and repeatedly rinsed with dry petroleum ether (under N2) until the adhering I2 is removed and the petroleum ether stays colorless. The traces of petroleum ether are evaporated in vacuum.
NIOBIUM(V) IODIDE Preparation Products And Raw materials
Raw materials
Preparation Products
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