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Merck
CN

V800314

Potassium dichromate

AR, ≥99.9%

Synonym(s):

Potassium bichromate

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About This Item

Linear Formula:
K2Cr2O7
CAS Number:
7778-50-9
Molecular Weight:
294.18
UNSPSC Code:
12352302
PubChem Substance ID:
329829299
EC Number:
231-906-6
MDL number:
MFCD00011367
Assay:
≥99.9%
Grade:
AR
Form:
crystalline powder

Key Documents

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InChI key

KMUONIBRACKNSN-UHFFFAOYSA-N

InChI

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

SMILES string

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

grade

AR

product line

Vetec™

assay

≥99.9%

form

crystalline powder

pH

3.6 (100 g/L)

mp

398 °C (lit.)

anion traces

chloride (Cl-): ≤0.001%

cation traces

Fe: ≤0.001%, Na: ≤0.02%, heavy metals (as Pb): ≤0.005%

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Legal Information

Vetec is a 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

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Certificates of Analysis (COA)

Lot/Batch Number
0000001732
0000001101
BGBC2146V
BGBB9500

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