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Potassium dichromate, 99%, Thermo Scientific Chemicals

58.69 EUR - 207.03 EUR

Chemical Identifiers

CAS 7778-50-9
Molecular Formula Cr2K2O7
Molecular Weight (g/mol) 294.182
MDL Number MFCD00011367
InChI Key KMUONIBRACKNSN-UHFFFAOYSA-N
Synonym potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash
PubChem CID 24502
ChEBI CHEBI:53444
IUPAC Name dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
SMILES [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
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11452998
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Thermo Scientific Alfa Aesar
A18722.36
500 g
58.69 EUR
500g
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11462998
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Thermo Scientific Alfa Aesar
A18722.0E
2500 g
207.03 EUR
2500g
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Description

Description

Potassium dichromate is most often used as an oxidizing agent in laboratories and industries. It is used as a precursor to prepare potassium chrome alum which finds application in leather finishing and tanning. It is utilized in the preparation of chromic acid for cleaning glassware and etching materials. It is an active ingredient in cement used for retards setting and improves its density and texture. Furthermore, it is used in photography and in photographic screen printing. It is also used in wet test analysis as an analytical lab reagent and in ethanol determination.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Potassium dichromate is most often used as an oxidizing agent in laboratories and industries. It is used as a precursor to prepare potassium chrome alum which finds application in leather finishing and tanning. It is utilized in the preparation of chromic acid for cleaning glassware and etching materials. It is an active ingredient in cement used for retards setting and improves its density and texture. Furthermore, it is used in photography and in photographic screen printing. It is also used in wet test analysis as an analytical lab reagent and in ethanol determination.

Solubility
Soluble in water. Insoluble in alcohol.

Notes
Incompatible with strong oxidizing agents, reducing agents, strong bases, organic materials, acids, powdered metals, acid anhydrides and hydrazine.
Specifications

Chemical Identifiers

7778-50-9
294.182
KMUONIBRACKNSN-UHFFFAOYSA-N
24502
dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
Cr2K2O7
MFCD00011367
potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash
CHEBI:53444
[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

Specifications

398°C
Cr2K2O7
MFCD00011367
14,7627
Soluble in water. Insoluble in alcohol.
[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
294.182
CHEBI:53444
99%
2.676
7778-50-9
K2Cr2O7
UN3087
potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash
KMUONIBRACKNSN-UHFFFAOYSA-N
dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
24502
294.18
Odorless
Potassium dichromate
Videos
Safety and Handling

Safety and Handling

GHS H Statement
H272-H301-H330-H334-H340-H350-H360-H372-H314-H312-H317
May intensify fire; oxidizer.
Toxic if swallowed.
Fatal if inhaled.
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause genetic defects.
May cause cancer.
May damage fertility or the unborn child.
Causes damage to organs through prolonged or repeated exposure.
Causes severe skin burns and eye damage.
Harmful in contact with skin.
May cause an allergic skin reaction.

P201-P202-P210-P220-P221-P260-P262-P264b-P270-P271-P272-P280g-P281-P284-P285-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P333+P313-P363-P370+P378q-P501c

H272-H301-H310+H330-H314-H317-H334-H335-H340-H350-H360FD-H372

missing translation for 'dotInformation' : Transport Hazard Class: 5.1; Packing Group: II; Proper Shipping Name: OXIDIZING SOLID, TOXIC, N.O.S.

missing translation for 'einecsNumber' : 231-906-6

missing translation for 'rtecsNumber' : HX7680000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

Product Identifier
  • Potassium dichromate

Signal Word
  • Danger

Hazard Category
  • Acute toxicity Category 2
  • Acute toxicity Category 3
  • Acute toxicity Category 4
  • LONG-TERM AQUATIC HAZARD Chronic 1
  • ACUTE AQUATIC Acute 1
  • Carcinogenicity Category 1B
  • Serious eye damage/eye irritation Category 1
  • Germ cell mutagenicity Category 1B
  • Oxidising solid Category 2
  • Reproductive toxicity Category 1B
  • Respiratory sensitiser Category 1
  • Skin corrosion/irritation Category 1 B
  • Skin sensitiser Category 1
  • Specific target organ toxicity Category 1

Hazard Statement
  • H272-May intensify fire; oxidiser.
  • H301-Toxic if swallowed.
  • H312-Harmful in contact with skin.
  • H314-Causes severe skin burns and eye damage.
  • H317-May cause an allergic skin reaction.
  • H318-Causes serious eye damage.
  • H330-Fatal if inhaled.
  • H334-May cause allergy or asthma symptoms or breathing difficulties if inhaled.
  • H340-May cause genetic defects.
  • H350-May cause cancer.
  • H360FD-May damage fertility. May damage the unborn child.
  • H372-Causes damage to organs.
  • H400-Very toxic to aquatic life.
  • H410-Very toxic to aquatic life with long lasting effects.

Precautionary Statement
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
  • P371+P380+P375-In case of major fire and large quantities: Evacuate area Fight fire remotely due to the risk of explosion.

Supplemental information
  • MIXTURE LIST-Contains : Potassium dichromate

SDS
Documents

Documents

Product Certifications

RUO – Research Use Only

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