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7646-93-7

Name Potassium bisulfate
CAS 7646-93-7
EINECS(EC#) 231-594-1
Molecular Formula HKO4S
MDL Number MFCD00011404
Molecular Weight 136.17
MOL File 7646-93-7.mol

Chemical Properties

Appearance white deliquescent crystals
Melting point  214 °C(lit.)
Boiling point  decomposes [STR93]
density  2.32 g/mL at 25 °C(lit.)
storage temp.  5-15°C
solubility  H2O: 1 M at 20 °C, clear, colorless
form  Solid
color  White
Specific Gravity 2.322
PH 1 (50g/l, H2O, 20℃)
Stability: Stable. Moisture sensitive.
Water Solubility  soluble
Sensitive  Hygroscopic
Merck  14,7613
CAS DataBase Reference 7646-93-7(CAS DataBase Reference)
EPA Substance Registry System 7646-93-7(EPA Substance)

Safety Data

Hazard Codes  C
Risk Statements 
R34:Causes burns.
R37:Irritating to the respiratory system.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 2509 8/PG 2
WGK Germany  1
RTECS  TS7200000
3
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  28332990
Safety Profile
Moderately toxic by ingestion. A corrosive irritant to the skin, eyes, and mucous membranes. When heated to decomposition it emits toxic fumes of SOx and K2O. Can form an explosive mixture. See also SULFATES.
Toxicity
LD50 orally in Rabbit: 2340 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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