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493651

Sigma-Aldrich

Bis(benzene)chromium(0)

97%

Synonym(s):

Dibenzenechromium

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1 L
2 830,00 INR

2 830,00 INR


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1 L
2 830,00 INR

About This Item

Empirical Formula (Hill Notation):
C12H12Cr
CAS Number:
Molecular Weight:
208.22
EC Number:
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

2 830,00 INR


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Quality Level

Assay

97%

reaction suitability

core: chromium
reagent type: catalyst

mp

260-265 °C (lit.)

SMILES string

[Cr].c1ccccc1.c2ccccc2

InChI

1S/2C6H6.Cr/c2*1-2-4-6-5-3-1;/h2*1-6H;

InChI key

HVURSIGIEONDKB-UHFFFAOYSA-N

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This Item
170930500330501
concentration

30-33% NH3 in H2O

concentration

≥25% NH3 in H2O

concentration

25-30% NH3

concentration

~25% NH3

grade

puriss.

grade

puriss. p.a. plus

grade

puriss.

grade

puriss. p.a.

form

liquid

form

liquid

form

liquid

form

liquid

pH

11.7 (20 °C)

pH

11.7 (20 °C)

pH

11.7 (20 °C)

pH

11.7 (20 °C)

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

anion traces

chloride (Cl-): ≤2 mg/kg, sulfate (SO42-): ≤20 mg/kg

anion traces

chloride (Cl-): ≤0.2 mg/kg, phosphate (PO43-): ≤0.2 mg/kg, sulfate (SO42-): ≤1 mg/kg

anion traces

carbonate (CO32-): ≤60 ppm, chloride (Cl-): ≤1 ppm, sulfate (SO42-): ≤5 ppm

anion traces

carbonate (CO32-): ≤60 ppm, carbonate (as CO2): ≤10 ppm, chloride (Cl-): ≤0.5 ppm, phosphate (PO43-): ≤0.5 ppm, silicate (as SiO2): ≤10 ppm, sulfate (SO42-): ≤2 ppm, sulfide (S2-): ≤0.2 ppm

Application

Catalyst for:
  • Olefin hydrogenation
  • Electron transfer chain catalysis mechanism

  • Pre-catalyst for the hydrosilation of ketones and aldehydes, for the dehydrocoupling of triphenylsilane with primary alcohols

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Flam. Sol. 1

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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