Order number | Packaging | Quantity | Price |
AC28376 | Glass bottle | 250 g | 30.83 |
Product information | |
Grade | ACS,Reag. Ph Eur |
Synonyms | Potassium chromium(III) sulfate, Alum chrome |
Hill Formula | CrKO8S2 * 12 H2O |
Chemical formula | KCr(SO4)2 * 12H2O |
HS Code | 2833 30 00 |
EC number | 233-401-6 |
Molar mass | 499.41 g/mol |
CAS number | 7788-99-0 |
Chemical and physical data | |
Solubility | 250 g/l (25 C) |
Melting point | 89 C |
Molar mass | 499.41 g/mol |
Density | 1.83 g/cm3 (20 C) |
Bulk density | 800 - 1000 kg/m3 |
pH value | 3 (50 g/l, H2O, 20 C) |
Safety information according to GHS | |
Hazard Statement(s) | H315: Causes skin irritation. H319: Causes serious eye irritation. |
Precautionary Statement(s) | P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
Signal Word | Warning |
Hazard Pictogram(s) | |
RTECS | GB6845000 |
Storage class | 10 - 13 Other liquids and solids |
WGK | WGK 2 water endangering |
Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
Safety information | |
R Phrase | R 36/38 Irritating to eyes and skin. |
Categories of danger | irritant |
Hazard Symbol | Irritant |
Specifications | |
Assay (iodometric) | 99.0 - 102.0 % |
Insoluble matter | 0.01 % |
Chloride (Cl) | 0.002 % |
Heavy metals (as Pb) | 0.01 % |
Al (Aluminium) | 0.005 % |
Cu (Copper) | 0.001 % |
Fe (Iron) | 0.010 % |
NH4 (Ammonium) | 0.010 % |
Pb (Lead) | 0.005 % |
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