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ChemicalBook >> CAS DataBase List >> Potassium dichromate

Potassium dichromate

Potassium dichromate price.
  • $10 - $1512
  • Product name: Potassium dichromate
  • CAS: 7778-50-9
  • MF: Cr2K2O7
  • MW: 294.1846
  • EINECS:231-906-6
  • MDL Number:MFCD00010944
  • Synonyms:chromicacid(h2cr2o7),dipotassiumsalt ;chromicacid,dipotassiumsalt ;chromicacid[h2cr2o7],dipotassiumsalt ;dichromatedepotassium ;Dichromicacid,dipotassiumsalt ;dichromicacid[h2cr2o7],dipotassiumsalt ;dichromicaciddipotassiumsalt ;dipotassiumbichromate
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  • Alfa Aesar
  • Chem-Impex
  • GFS CHEMICALS
  • Oakwood
  • ProChem
  • Sigma-Aldrich
  • Strem Chemicals
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  • ManufacturerAlfa Aesar
  • Product number035587
  • Product descriptionPotassium dichromate 0.25N Standardized Solution
  • Packaging500ml
  • Price$22.4
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number035589
  • Product descriptionPotassium dichromate, 0.025N Standardized Solution
  • Packaging500ml
  • Price$25.4
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number035618
  • Product descriptionPotassium dichromate 0.1N Standardized Solution
  • Packaging500ml
  • Price$29.7
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number035589
  • Product descriptionPotassium dichromate, 0.025N Standardized Solution
  • Packaging1L
  • Price$34.2
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number035587
  • Product descriptionPotassium dichromate, 0.25N Standardized Solution
  • Packaging1L
  • Price$36.8
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number035618
  • Product descriptionPotassium dichromate, 0.1N Standardized Solution
  • Packaging1L
  • Price$37.8
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number013450
  • Product descriptionPotassium dichromate, ACS, 99.0% min
  • Packaging100g
  • Price$47.7
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product numberA18722
  • Product descriptionPotassium dichromate, 99%
  • Packaging500g
  • Price$54.2
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number035587
  • Product descriptionPotassium dichromate 0.25N Standardized Solution
  • Packaging4L
  • Price$92.1
  • Updated2021-12-16
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  • ManufacturerAlfa Aesar
  • Product number013450
  • Product descriptionPotassium dichromate, ACS, 99.0% min
  • Packaging500g
  • Price$106
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product numberA18722
  • Product descriptionPotassium dichromate, 99%
  • Packaging2500g
  • Price$211
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number013450
  • Product descriptionPotassium dichromate, ACS, 99.0% min
  • Packaging2.5kg
  • Price$350
  • Updated2023-06-20
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  • ManufacturerChem-Impex
  • Product number33355
  • Product descriptionPotassiumdichromate,99.0%(Titration) 99.0%(Titration)
  • Packaging100G
  • Price$14
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number33355
  • Product descriptionPotassiumdichromate,≥99.0%(Titration)Hazmat ≥99.0%(Titration)
  • Packaging250G
  • Price$29.12
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number33355
  • Product descriptionPotassiumdichromate,99.0%(Titration) 99.0%(Titration)
  • Packaging1KG
  • Price$89.6
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number33355
  • Product descriptionPotassiumdichromate,99.0%(Titration) 99.0%(Titration)
  • Packaging2.5KG
  • Price$190.4
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Alfa Aesar 035587 Potassium dichromate 0.25N Standardized Solution 500ml $22.4 2023-06-20 Buy
Alfa Aesar 035589 Potassium dichromate, 0.025N Standardized Solution 500ml $25.4 2023-06-20 Buy
Alfa Aesar 035618 Potassium dichromate 0.1N Standardized Solution 500ml $29.7 2023-06-20 Buy
Alfa Aesar 035589 Potassium dichromate, 0.025N Standardized Solution 1L $34.2 2023-06-20 Buy
Alfa Aesar 035587 Potassium dichromate, 0.25N Standardized Solution 1L $36.8 2023-06-20 Buy
Alfa Aesar 035618 Potassium dichromate, 0.1N Standardized Solution 1L $37.8 2023-06-20 Buy
Alfa Aesar 013450 Potassium dichromate, ACS, 99.0% min 100g $47.7 2023-06-20 Buy
Alfa Aesar A18722 Potassium dichromate, 99% 500g $54.2 2023-06-20 Buy
Alfa Aesar 035587 Potassium dichromate 0.25N Standardized Solution 4L $92.1 2021-12-16 Buy
Alfa Aesar 013450 Potassium dichromate, ACS, 99.0% min 500g $106 2023-06-20 Buy
Alfa Aesar A18722 Potassium dichromate, 99% 2500g $211 2023-06-20 Buy
Alfa Aesar 013450 Potassium dichromate, ACS, 99.0% min 2.5kg $350 2023-06-20 Buy
Chem-Impex 33355 Potassiumdichromate,99.0%(Titration) 99.0%(Titration) 100G $14 2021-12-16 Buy
Chem-Impex 33355 Potassiumdichromate,≥99.0%(Titration)Hazmat ≥99.0%(Titration) 250G $29.12 2021-12-16 Buy
Chem-Impex 33355 Potassiumdichromate,99.0%(Titration) 99.0%(Titration) 1KG $89.6 2021-12-16 Buy
Chem-Impex 33355 Potassiumdichromate,99.0%(Titration) 99.0%(Titration) 2.5KG $190.4 2021-12-16 Buy

Properties

Melting point :398 °C (lit.)
Boiling point :82 °C
Density :7.14 g/mL at 25 °C(lit.)
Flash point :50 °F
storage temp. :Store at RT.
solubility :H2O: 0.1 M at 20 °C, clear, orange
form :powder
color :Orange-red
Specific Gravity :2.676
PH :3.5-5.0 (25℃, 0.1M in H2O)
Water Solubility :125 g/L (20 ºC)
Merck :14,7627
Exposure limits :ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin)
OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3 InChIKey :KMUONIBRACKNSN-UHFFFAOYSA-N
CAS DataBase Reference :7778-50-9(CAS DataBase Reference)
EPA Substance Registry System :Potassium dichromate (7778-50-9)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H272 May intensify fire; oxidizer Oxidising liquids;Oxidising solids Category 2
Category 3
Danger
Warning
GHS hazard pictograms P210, P220, P221P280, P370+P378,P501
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger GHS hazard pictograms P264, P270, P301+P310, P321, P330,P405, P501
H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning GHS hazard pictograms P280,P302+P352, P312, P322, P363,P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger GHS hazard pictograms P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning GHS hazard pictograms P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger GHS hazard pictograms P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger GHS hazard pictograms P261, P285, P304+P341, P342+P311,P501
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
H340 May cause genetic defects Germ cell mutagenicity Category 1A, 1B Danger GHS hazard pictograms
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger GHS hazard pictograms
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger GHS hazard pictograms P260, P264, P270, P314, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning GHS hazard pictograms P273, P391, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/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. Continuerinsing.

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.

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