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|LC4921 Potassium chromate
for analysis EMSURE ACS,Reag. Ph Eur
|Order number||Packaging||Quantity||Price €|
|AC31921||Plastic bottle||250 g||27.23|
|AC31921||Plastic bottle||1 kg||84.15|
|Grade||ACS,Reag. Ph Eur|
|Synonyms||chromic acid potassium salt|
|HS Code||2841 50 00|
|Molar mass||194.19 g/mol|
|EC index number||024-006-00-8|
|Chemical and physical data|
|Solubility||637 g/l (20 °C)|
|Melting point||985 °C|
|Molar mass||194.19 g/mol|
|Density||2.73 g/cm3 (18 °C)|
|Bulk density||1400 kg/m3|
|pH value||9.0 – 9.8 (50 g/l, H2O, 20 °C)|
|Boiling point||1000 °C|
|Safety information according to GHS|
|Hazard Statement(s)||H350i: May cause cancer by inhalation.
H340: May cause genetic defects.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H315: Causes skin irritation.
H317: May cause an allergic skin reaction.
H410: Very toxic to aquatic life with long lasting effects.
|Precautionary Statement(s)||P201: Obtain special instructions before use.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P273: Avoid release to the environment.
P308 + P313: IF exposed or concerned: Get medical advice/attention.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
|Storage class||Non combustible substances, toxic|
|WGK||WGK 3 highly water endangering|
Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.
|R Phrase||R 49-46-36/37/38-43-50/53
May cause cancer by inhalation.May cause heritable genetic damage.Irritating to eyes, respiratory system and skin.May cause sensitization by skin contact.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
|S Phrase||S 53-45-60-61
Avoid exposure – obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
|Categories of danger||carcinogenic, mutagenic, irritant, sensitizing, dangerous for the environment|
|Declaration (transport by sea) IMDG-Code||UN 3288 TOXIC SOLID, INORGANIC, N.O.S.(POTASSIUM CHROMATE), 6.1, II|
|Declaration (transport by air) IATA-DGR||UN 3288 TOXIC SOLID, INORGANIC, N.O.S.(POTASSIUM CHROMATE), 6.1, II|
|Assay (iodometric)||≥ 99.5 %|
|In water insoluble matter||≤ 0.005 %|
|pH-value (5 %; water)||9.0 – 9.8|
|Chloride (Cl)||≤ 0.001 %|
|Sulphate (SO4)||≤ 0.01 %|
|Ca (Calcium)||≤ 0.005 %|
|Na (Sodium)||≤ 0.02 %|
|Pb (Lead)||≤ 0.005 %|