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Potassium chromate, 250 g

≥99 %, p.a., ACS
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: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
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.
Danger
H315-H317-H319-H335-H340-H350i-H410
i causes skin irritation, may cause an allergic skin reaction, causes serious eye irritation, may cause respiratory irritation, may cause genetic defects, may cause cancer by inhalation, very toxic to aquatic life with long lasting effects
P261 P273 P280 P302+P352 P305+P351+P338 P308+P313
i avoid breathing dust, avoid release to the environment, wear protective gloves/protective clothing/eye protection/face protection, IF ON SKIN: Wash with plenty of water, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing, IF exposed or concerned: Get medical advice/attention
Pack Qty.
Pack.
Chromic acid potassium salt
Empirical formula K2CrO4
Molar mass (M) 194,21 g/mol
Density (D) 2,732 g/cm³
Boiling point (bp) 1000 °C
Melting point (mp) 968,3 °C
ADR 6.1 III
WGK 3
CAS No. 7789-00-6
EG-Nr. 232-140-5
UN-Nr. 3288

Indicator for argentometry.

€92.35/Pack Qty. 

excl. VAT. | 250 g per Pack Qty.

Art. No. HN33.2

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Potassium chromate
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HN33.1 100 g plastic

€48.30

HN33.2 250 g plastic

€92.35

HN33.3 500 g plastic

€166.65

HN33.4 1 kg plastic

€278.45

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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.

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


Salts


Oxidising Agents

Oxidation reactions play an important role - not only in inorganic chemistry but also in many organic synthesis processes. Several examples are shown here: Lemieux-von-Rudloff oxidation, Lemieux-Johnson oxidation and dihydroxylation. Carl ROTH offers a selection of well-known and commonly available oxidants in this area.


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 %
pH value (5 % in H2O)8,6-9,8
In H2O insoluble matter≤0,005 %
Chloride (Cl)≤0.005 %
Sulphate (SO4)≤0.03 %
Calcium (Ca)≤0,005 %
Iron (Fe)≤0,002 %
Lead (Pb)≤0,005 %
Sodium (Na)≤0,02 %