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Potassium dichromate, 1 kg

Potassium dichromate, 1 kg

SKU P744.2
€ 244,44
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I hereby confirm that:-That the substances, preparations and products are only used in an authorized manner (in accordance with European and national legislation), use these products only for research, scientific and educational purposes. The substance(s) ordered: -Not used to produce substances or to serve as a component or intermediate of narcotic drugs and/or psychotropic substances. -Not used in medicinal products for human or veterinary use, agriculture, food or cosmetics, except as a raw material, auxiliary or operating material and/or as a research and analytical reagent. - Not used to develop or produce chemical weapons - Not used for military or illegal purposes. - do not re-export the item(s) to third parties countries without prior approval of the export control authorities. -Will not be re-exported/exported or otherwise resold or transferred domestically or internationally to any destination subject to an EU, UN or US embargo, if that act would be contrary to the conditions of that embargo. - Only supplies the mentioned products to customers who can also provide such an End Use Certificate. We will carefully store all certificates received and provide them upon request. - I am over 18 years old.
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Potassium dichromate, 1 kg
Product Details
P-phrases: P280 P302+P352 P305+P351+P338
H-phrases: H315-H319
CAS number: 474-25-9
Chemical formulas: C24H40O4
HS code: 28415000
Brand: Carl Roth
Potassium dichromate, min. 99,5 %, p.a., ACS, ISO, Molar mass (M) 294,18 g/mol, Density (D) 2,68 g/cm³, CAS No. [7778-50-9], UN-Nr. 3086, EG-Nr. 231-906-6, Empirical formula K2Cr2O7
Salts for Analysis

Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.

Definition:
p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation


Salts


Assay (iodom.) ≥99,5 %
In H2O insoluble matter ≤0,005 %
Loss on drying (105 °C) ≤0,05 %
Chloride (Cl) ≤0,001 %
Sulphate (SO4) ≤0,005 %
Lead (Pb) ≤0,005 %
Calcium (Ca) ≤0,002 %
Iron (Fe) ≤0,001 %
Copper (Cu) ≤0,001 %
Sodium (Na) ≤0,02 %
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