Chromocene
- Product Name
- Chromocene
- CAS No.
- 1271-24-5
- Chemical Name
- Chromocene
- Synonyms
- CHROMOCENE;Chromocene,95%;Bis(cyclopentadienyl)chrom;dicyclopentadienyl-chromiu;dicyclopentadienylchromium;bis(cyclopentadiene)chromium;Bis(cyclopentadienyl)cadmium;BIS(CYCLOPENTADIENYL)CHROMIUM;di-pi-cyclopentadienyl-chromiu;Chromocene ISO 9001：2015 REACH
- CBNumber
- CB8708085
- Molecular Formula
- C10H10Cr10*
- Formula Weight
- 182.18
- MOL File
- 1271-24-5.mol
Chromocene Property
- Melting point:
- 168-170 °C(lit.)
- storage temp.
- Store below +30°C.
- form
- crystal
- color
- scarlet
- Water Solubility
- Insoluble in water.
- Sensitive
- Air & Moisture Sensitive
- NIST Chemistry Reference
- Bis(«eta»5-cyclopentadienyl) chromium(1271-24-5)
- EPA Substance Registry System
- Chromocene (1271-24-5)
Safety
- Hazard Codes
- Xn,Xi
- Risk Statements
- 20/21/22-36/37/38
- Safety Statements
- 26-37/39
- RIDADR
- 1325
- WGK Germany
- 3
- RTECS
- GB7600000
- TSCA
- Yes
- HazardClass
- 4.2
- PackingGroup
- I
- HS Code
- 29319090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
- Precautionary statements
-
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
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
- 381004
- Product name
- Bis(cyclopentadienyl)chromium(II)
- Purity
- 95%
- Packaging
- 1g
- Price
- $134
- Updated
- 2024/03/01
- Product number
- 043177
- Product name
- Bis(cyclopentadienyl)chromium, sublimed, 97+%
- Packaging
- 1g
- Price
- $125.65
- Updated
- 2024/03/01
- Product number
- 043177
- Product name
- Bis(cyclopentadienyl)chromium, sublimed, 97+%
- Packaging
- 5g
- Price
- $461.65
- Updated
- 2024/03/01
- Product number
- 24-0135
- Product name
- Bis(cyclopentadienyl)chromium, min. 95%, sublimed (Chromocene)
- Packaging
- 1g
- Price
- $115
- Updated
- 2024/03/01
- Product number
- 24-0135
- Product name
- Bis(cyclopentadienyl)chromium, min. 95%, sublimed (Chromocene)
- Packaging
- 5g
- Price
- $457
- Updated
- 2024/03/01
Chromocene Chemical Properties,Usage,Production
Chemical Properties
bordeaux crystalline powder
Uses
Provides catalyst for ethylene polymerization. A precursor to other chromium(II) compounds.
General Description
Red needles or reddish-purple solid.
Air & Water Reactions
Chromocene is very sensitive to exposure to air and moisture (decomposition is not vigorous). Decomposes in water .
Reactivity Profile
Chromocene reacts with water and alcohols. . It's reaction with alcohols produces pyrophoric metal alkoxides (dialkoxychromium and cyclopentadiene).
Fire Hazard
Literature sources indicate that Chromocene is flammable.
Purification Methods
Chromocene forms pyrophoric red crystals on sublimation at 50o/0.1mm followed by resublimation at 75-90o/0.1mm. Although it is stable at least to 300o, it is readily oxidised in air, and effervesces slowly in H2O to give cyclopentadiene. All operations should be carried out in a dry box. It decomposes in CCl4 or CS2, and for IR even grinding with nujol, KBr or KI causes some decomposition. [Wilkinson et al. J Inorg Nucl Chem 95 109 1956, Wilkinson J Am Chem Soc 76 209 1954, Beilstein 16 IV 1774.]
Chromocene Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Chromocene manufacturers
- Product
- Chromocene 1271-24-5
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99.0%
- Supply Ability
- 10000KG
- Release date
- 2024-08-09
- Product
- Chromocene 1271-24-5
- Price
- US $3.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 1kg , 5kg, 50kg
- Release date
- 2020-01-17