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Potassium
sulfite, Certified® Reagent
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Certified Reagent 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: 2333211CR-0123-CL
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Appearance white granular powder; Assay (Na2S2O3
titration) 99.9%; Arsenic (As) 0.2ppm; Chloride (Cl) 0.003%; Free acid
<0.2%; Heavy metals (as Pb) 0.0005%; Identification conforms; Iron (Fe) 0.0005%;
Solubility (water) 1mg/l at 25°C; Water (H2O, KF) <0.2%;
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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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10117-38-1
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Density
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2.353
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EINES Number
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233-321-1
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Flash
Point
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°C
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Harmonized
Code
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2832.20.0000
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IUPAC Name
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Dipotassium
sulfite
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Linear
Formula
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K2SO3
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MDL Number
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MFCD00011387
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Melting Point
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590°C
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Molecular Formula
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K2SO3
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Molecular
Weight
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158.26
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Refractive Index
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-
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Solubility
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In
water, slightly in alcohol
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Synonym(s)
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10117-38-1; 233-321-1; Dipotassium sulfite; K2SO3;
MFCD00011387; Potassium sulfite(IV); Potassium sulfite; Sulfurous acid
dipotassium salt; Sulfurous acid potassium salt;
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GHS (Accordance with 29
CFR 1910, OSHA HCS)
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Pictogram
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None
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Signal
Word
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None
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Statement(s)
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None
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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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General
P’s shelf
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NFPA
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0-0-0
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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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Not
dangerous goods
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Exceptions
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None
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