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Potassium
pyrosulfate, Certified® ACS
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Certified Reagent ACS for Research & Development
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Not intended for animal or human diagnostic or therapeutic
use
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Don’t see what you’re looking for? Give us the opportunity to make it
happen!
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Certificate of Analysis and Material Safety Data
Sheets Available Upon Request
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Assay
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Current stock: 2322168CA-0223-CL
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Appearance white fused powder; Assay (NaOH titration)
38.1%; Ammonium hydroxide precipitate 0.003%; Calcium (Ca) 0.002%; Chloride (Cl)
0.001%; Heavy metals (as Pb) 0.0001%; Identification passes; Insoluble matter
0.003%; Iron (Fe) 0.0002%; Magnesium (Mg) 0.0002%; Phosphate (PO4) 0.0002%; Sodium
(Na) 0.001%; Water (H2O, KF) 2.5%;
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Beilstein Number
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-
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Boiling Point
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°C
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CAS
Number
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7790-62-7
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Density
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2.512
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EINES Number
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232-216-8
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Flash
Point
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°C
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Harmonized
Code
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2833.29.5100
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IUPAC Name
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Dipotassium
sulfonato sulfate
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Linear
Formula
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KHSO4
+ K2S2O7
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MDL Number
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MFCD00066385
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Melting Point
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325°C
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Molecular Formula
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KHSO4
+ K2S2O7
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Molecular
Weight
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254.32
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Refractive Index
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-
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Solubility
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In
in water, isopropyl alcohol, and acetone
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Synonym(s)
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232-216-8; 7790-62-7; Dipotassium disulfate;
Dipotassium pyrosulfate; Dipotassium sulfonato sulfate; Disulfuric acid
dipotassium salt; Disulfuric acid potassium salt; MFCD00066385; Potassium
disulfate; Potassium hydrogen sulfate fused; Potassium hydrogensulfate and Dipotassium
disulfate mixture (1:1); Potassium pyrosulfate; Pyrosulfuric acid dipotassium
salt;
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GHS (Accordance with 29
CFR 1910, OSHA HCS)
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Pictogram
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Toxic,
Corrosive, Irritant
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Signal
Word
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Danger
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Statement(s)
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H314 Causes severe skin burns and eye damage; H330
Fatal if inhaled; H335 May cause respiratory irritation;
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Other
hazards
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None
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Recommendations
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Do not handle until all safety precautions have been
read (SDS) and understood;
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Storage
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Corrosive
P’s shelf
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NFPA
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3-0-0
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Package
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Compatible
HDPE or amber glass bottle
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TRANSPORTION INFORMATION
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US
DOT
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UN
number: 2509 Class: 8 Packing group: II Proper shipping name: Potassium
hydrogen sulfate
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Exceptions
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§
173.154 Exceptions for Class 8, Packing group: II
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inner
packaging’s not over 5.0 L (1.3 gallons) net capacity each for liquids
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inner
packaging’s not over 5.0 kg (11 lbs.) net capacity each for solids
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