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Merck
CN

P5271

Potassium dichromate

ReagentPlus®, ≥99.5%

Synonym(s):

Potassium bichromate

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About This Item

Linear Formula:
K2Cr2O7
CAS Number:
7778-50-9
Molecular Weight:
294.18
NACRES:
NA.55
PubChem Substance ID:
329820224
UNSPSC Code:
12352302
EC Number:
231-906-6
MDL number:
MFCD00011367
Assay:
≥99.5%
Grade:
reagent grade
Form:
powder
Solubility:
water: soluble (ca.29.4 g/l at 20 °C (68 °F))

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Product Name

Potassium dichromate, ReagentPlus®, ≥99.5%

InChI

1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

InChI key

KMUONIBRACKNSN-UHFFFAOYSA-N

SMILES string

[K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O

Quality Level

200

grade

reagent grade

product line

ReagentPlus®

assay

≥99.5%

form

powder

reaction suitability

reagent type: oxidant

pH

3.6 (100 g/L)

mp

398 °C (lit.)

solubility

water: soluble (ca.29.4 g/l at 20 °C (68 °F))

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Application

Potassium dichromate can be used as an oxidant:
  • For the oxidation of alcohols to aldehydes.
  • In the graft-polymerization of polyacrylonitrile film with polyaniline.
  • To synthesize oxidized nanocellulose.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3

target_organs

Cardio-vascular system, Respiratory system

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品
易制爆化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCN4621
BCCM2264
BCCL7268
BCCJ6251
BCCH2408

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Surface modification of polyacrylonitrile film by anchoring conductive polyaniline and determination of uricase adsorption capacity and activity
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Analysis of neuronal arborization and connections is a powerful tool in fundamental and clinical neuroscience. Changes in neuronal morphology are central to brain development and plasticity and are associated with numerous diseases. Golgi staining is a classical technique based on
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