Cas no 4429-42-9 (POTASSIUM METABISULFITE)

POTASSIUM METABISULFITE structure
POTASSIUM METABISULFITE structure
Product Name:POTASSIUM METABISULFITE
CAS No:4429-42-9
MF:HKO3S
MW:120.169440031052
CID:329561
PubChem ID:23663620
Update Time:2025-04-19

POTASSIUM METABISULFITE Chemical and Physical Properties

Names and Identifiers

    • POTASSIUM METABISULFITE
    • POTASSIUM DISULFITE
    • POTASSIUM BISULFITE
    • POTASSIUM BISULPHITE
    • POTASSIUM PYROSULFITE
    • POTASSIUM M-BISULFITE
    • DIPOTASSIUM PYROSULFITE
    • DI-POTASSIUM DISULPHITE
    • POTASSIUM METABISULPHITE
    • Disulfurous acid,potassium salt (1:2)
    • POTASSIUM METABISULFITE AR.CP
    • 7773-03-7
    • AKOS025293926
    • Q412524
    • Sulfurous acid, potassium salt (1:1)
    • potassium hydrogensulfite
    • 4429-42-9
    • INS NO.228
    • QJK5LO891P
    • UNII-QJK5LO891P
    • DJEHXEMURTVAOE-UHFFFAOYSA-M
    • Potassium sulfite (KHSO3)
    • Sulfurous acid, monopotassium salt
    • Sulfite, potassium metabi-
    • HSDB 1263
    • Potassium sulfite, hydrogen
    • POTASSIUM BISULFITE [MART.]
    • Kaliumbisulfit
    • Potassium acid sulfite
    • DTXSID6064795
    • Potassium hydrogen sulphite
    • POTASSIUM BISULFITE [HSDB]
    • Monopotassium sulfite
    • POTASSIUM BISULFITE [II]
    • NS00131250
    • INS-228
    • Potassium hydrogen sulfite
    • potassium;hydrogen sulfite
    • E-228
    • EINECS 231-870-1
    • DB-231692
    • POTASSIUM BISULPHITE SOLUTION
    • POTASSIUM BISULFITE (II)
    • DTXCID7047988
    • POTASSIUM BISULFITE (MART.)
    • POTASSIUM BISULFITE SOLUTION
    • Inchi: 1S/K.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-1
    • InChI Key: DJEHXEMURTVAOE-UHFFFAOYSA-M
    • SMILES: [K+].S(=O)(O)[O-]

Computed Properties

  • Exact Mass: 119.92800
  • Monoisotopic Mass: 221.846128
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 6
  • Heavy Atom Count: 9
  • Rotatable Bond Count: 0
  • Complexity: 136
  • Covalently-Bonded Unit Count: 3
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 125

Experimental Properties

  • Melting Point: 190 °C
  • Boiling Point: °Cat760mmHg
  • Flash Point: °C
  • Solubility: H2O: 0.1?M at?20?°C, clear, colorless
  • PSA: 79.57000
  • LogP: 0.20420

POTASSIUM METABISULFITE Security Information

  • WGK Germany:1
  • Hazard Category Code: 31-36/37/38
  • Safety Instruction: S26; S36
  • FLUKA BRAND F CODES:23
  • RTECS:TT4920000
  • Hazardous Material Identification: Xi
  • Risk Phrases:R31; R36/37/38

POTASSIUM METABISULFITE Customs Data

  • HS CODE:2832200000
  • Customs Data:

    China Customs Code:

    2832200000
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