104883 Potassium hydrogen sulfate

Potassium hydrogen sulfate


Product Range

Product Number



1048839025 Fibre carton 25 kg
1048831000 Plastic bottle 1 kg

Product Information

Product Summary

Synonyms Potassium bisulfate
CAS number 7646-93-7
EC index number 016-056-00-4
EC number 231-594-1
Hill Formula HKO₄S
Molar mass 136.17 g/mol
RTECS TS7200000

GHS Labeling (according to EU REGULATION (EC) No 1272/2008 (CLP))

Hazard Pictogram
icon icon
Signal Word Danger
Hazard Statement H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.
Precautionary Statement P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.

Handling & Storage Information

Storage Temperature Store at +5°C to +30°C.
Storage class 8B Non-combustible, corrosive hazardous materials
WGK WGK 1 slightly water endangering

Physicochemical Information

Melting point 195 °C (decomposition)
Density 2.24 g/cm3 (20 °C)
Bulk Density 1140 kg/m3
pH value 1 (50 g/l, H₂O, 20 °C)


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