Home Categories Inorganic chemistry Potassium bisulfate
A6618912

Potassium bisulfate , AR,99% , 7646-93-7

Synonym(s):
Potassium bisulfate;Potassium hydrogen sulfate

CAS NO.:7646-93-7

Empirical Formula: HKO4S

Molecular Weight: 136.169

MDL number: MFCD00011404

EINECS: 231-594-1

Update time: 2022-07-08

PRODUCT Properties

Melting point: 214 °C(lit.)
Boiling point: decomposes [STR93]
Density  2.32 g/mL at 25 °C(lit.)
storage temp.  Store at +5°C to +30°C.
solubility  H2O: 1 M at 20 °C, clear, colorless
form  Solid
Specific Gravity 2.322
color  White
PH 1 (50g/l, H2O, 20℃)
Water Solubility  soluble
Sensitive  Hygroscopic
Merck  14,7613
Stability: Stable. Moisture sensitive.
CAS DataBase Reference 7646-93-7(CAS DataBase Reference)
EPA Substance Registry System Potassium bisulfate (7646-93-7)

Description and Uses

Potassium hydrogen sulfate is used in the conversion of tartrates to bitartrates in wine. It serves as a disintegrating agent in analytical chemistry and as an intermediate in the preparation of potassium persulfate by electrolysis. It is also employed in the manufacturing of fertilizers.

Safety

Symbol(GHS) 
GHS05,GHS07
Signal word  Danger
Hazard statements  H314-H335
Precautionary statements  P260-P271-P280-P301+P330+P331-P303+P361+P353-P305+P351+P338
Hazard Codes  C
Risk Statements  34-37
Safety Statements  26-36/37/39-45
RIDADR  UN 2509 8/PG 2
WGK Germany  1
RTECS  TS7200000
3
TSCA  Yes
HS Code  2833 29 80
HazardClass  8
PackingGroup  II
Toxicity LD50 orally in Rabbit: 2340 mg/kg

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