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Substance Name: Potassium persulfate
RN: 7727-21-1
UNII: 6B86K0MCZC
InChIKey: USHAGKDGDHPEEY-UHFFFAOYSA-L

Classification Code

  • TWA 0.1 mg/m3

Molecular Formulas

  • H2-O8-S2.2K
  • K2-O8-S2

Molecular Weight

  • 270.32
 
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Names and Synonyms

Name of Substance

  • Peroxydisulfuric acid, dipotassium salt
  • Potassium persulfate

Synonyms

  • Anthion
  • Caswell No. 700
  • Dipotassium peroxydisulfate
  • Dipotassium persulfate
  • EC 231-781-8
  • EINECS 231-781-8
  • EPA Pesticide Chemical Code 063602
  • HSDB 2638
  • Peroxydisulfuric acid (((HO)S(O)2)2O2) , dipotassium salt
  • Peroxydisulfuric acid (((HO)S(O)2)2O2), dipotassium salt
  • Potassium peroxydisulfate
  • Potassium peroxydisulfate (K2(S2O8))
  • Potassium peroxydisulphate
  • Potassium persulfate
  • UNII-6B86K0MCZC

Systematic Names

  • Dipotassium peroxodisulphate
  • Peroxydisulfuric acid (((HO)S(O)2)2O2), dipotassium salt
  • Peroxydisulfuric acid (((HO)S(O)2)2O2), potassium salt (1:2)
  • Peroxydisulfuric acid, dipotassium salt

Superlist Names

  • Peroxydisulfuric acid, dipotassium salt
  • Potassium peroxydisulfate
  • Potassium persulfate
  • Potassium persulfate [UN1492] [Oxidizer]
  • UN1492

Registry Numbers

CAS Registry Number

  • 7727-21-1

FDA UNII

  • 6B86K0MCZC

Other Registry Numbers

  • 1001387-46-7
  • 106015-10-5

System Generated Number

  • 0007727211

Molecular Formulas

Molecular Formulas

  • H2-O8-S2.2K
  • K2-O8-S2

Molecular Formula Fragments

  • COMPONENT
  • H2-O8-S2
  • K

Structure Descriptors

InChI

1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2

InChIKey

USHAGKDGDHPEEY-UHFFFAOYSA-L

Smiles

[O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 802mg/kg (802mg/kg)   "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 5, Pg. 468, 1986.