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Potassium dichromate, 1 kg

≥99,5 %, p.a., ACS, ISO
Icon_EVE-EUD Please consider that this product might be liable to some legal sanctions as for example to obtain an end user declaration or the prohibition of some applications. For details please do contact your counterpart in our sales department!
Examples of effect: Have an oxidising effect and intensify fires. Explosive compounds are produced when mixed with combustible substances. Safety: Keep away from and do not mix with combustible substances; store in a clean environment.
Examples of effect: Damage metals and burn body tissues; may cause serious eye damage. Safety: Avoid contact; wear safety spectacles and gloves. In the event of contact with eyes and skin, rinse with water.
Examples of effect: In smaller quantities, lead to immediate serious damage to health or death. Safety: Do not inhale, touch or swallow. Wear work safety equipment. Call a poison control centre or doctor immediately. Recovery position.
Examples of effect: Have an allergenic effect, carcinogenic, mutagenic, toxic to reproduction and cause developmental toxicity (reprotoxic) or damage to organs Safety: You must be well-informed before starting work with these substances; wear protective clothing and gloves, eye protection and mask or breathing protection.
Examples of effect: Are harmful to aquatic organisms, toxic or highly toxic, acute or with long-term effects. Safety: To be disposed of as hazardous waste only, do not allow into the environment under any circumstances.
i may intensify fire; oxidiser, toxic if swallowed, harmful in contact with skin, causes severe skin burns and eye damage, may cause an allergic skin reaction, fatal if inhaled, may cause allergy or asthma symptoms or breathing difficulties if inhaled, may cause respiratory irritation, may cause genetic defects, may cause cancer, may damage fertility. May damage the unborn child, causes damage to organs through prolonged or repeated exposure, very toxic to aquatic life with long lasting effects
P202 P270 P302+P352 P304+P340 P305+P351+P338 P310
i do not handle until all safety precautions have been read and understood, do not eat, drink or smoke when using this product, IF ON SKIN: Wash with plenty of water, IF INHALED: Remove person to fresh air and keep comfortable for breathing, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing, immediately call a POISON CENTER/doctor
Pack Qty.
Potassium bichromate, Potassium pyrochromat
Empirical formula K2Cr2O7
Molar mass (M) 294,18 g/mol
Density (D) 2,68 g/cm³
Melting point (mp) 398 °C
ADR 6.1 II
CAS No. 7778-50-9
EG-Nr. 231-906-6
UN-Nr. 3086

Strong oxidizing agent for oxidative disintegration. Titrimetric standard substance in oxidimetry and iodometry.

€220.40/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. P744.2

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Potassium dichromate
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P744.1 500 g plastic


P744.2 1 kg plastic


P744.3 100 g plastic


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Downloads / MSDS

General information

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.

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


Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

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 %