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Potassium
dichromate, 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: 2319066CR-0223-CL
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Appearance red-orange crystalline; Assay (redox
titration) 99.2%; Calcium (Ca) 0.001%; Chloride (Cl) 0.0008%; Identification
conforms; Loss on drying 0.01%; Lead (Pb) <0.005%; Sodium (Na) <0.02%; Sulfate
(SO4) 0.004%
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Beilstein Number
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-
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Boiling Point
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500°C
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CAS
Number
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7778-50-9
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Density
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2.676
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EINES Number
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231-906-6
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Flash
Point
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4.44°C
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Harmonized
Code
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2841.50.1000
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IUPAC Name
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Dipotassium
oxido-(oxido(dioxo)chromio)oxy-dioxochromium
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Linear
Formula
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K2Cr2O7
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MDL Number
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MFCD00011367
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Melting Point
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398°C
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Molecular Formula
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Cr2K2O7
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Molecular
Weight
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294.18
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Refractive Index
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1.738
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Solubility
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In
water
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Synonym(s)
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231-906-6; 7778-50-9; Chromic acid
dipotassium salt; Chromium potassium oxide; Cr2K2O7; Dichromic acid
dipotassium salt; Dipotassium bichromate; Dipotassium dichromate; Dipotassium
dichromium heptaoxide; Dipotassium oxido-(oxido(dioxo)chromio)oxy-dioxochromium;
K2Cr2O7; MFCD00011367; Potassium bichromate; Potassium dichromate; Potassium
dichromate(VI);
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GHS (Accordance with 29
CFR 1910, OSHA HCS)
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Pictogram
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Oxidizer,
Toxic, Health, Corrosive, Environment
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Signal
Word
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Danger
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Statement(s)
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H272 May intensify fire; oxidizer. H301 Toxic if
swallowed. H312 Harmful in contact with skin. H314 Causes severe skin burns
and eye damage. H317 May cause an allergic skin reaction. H330 Fatal if
inhaled. H334 May cause allergy or asthma symptoms or breathing difficulties
if inhaled. H340 May cause genetic defects. H350 May cause cancer. H360 May
damage fertility or the unborn child. H372 Causes damage to organs
(Cardio-vascular system) through prolonged or repeated exposure if inhaled. H410
Very toxic to aquatic life with long lasting effects.
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Other
hazards
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Cancer and Reproductive Harm -
https://www.p65warnings.ca.gov/
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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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Oxidizer
P’s shelf
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NFPA
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3-1-1
OX
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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: 3087 Class: 5.1 (6.1) Packing group: II Proper shipping name:
Oxidizing solid, toxic, n.o.s. (Potassium dichromate)
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Exceptions
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§
173.152 Exceptions for Division 5.1, Packing group II
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inner
packaging’s not over 1.0 L (0.3 gallon) net capacity each for liquids
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inner
packaging’s not over 1.0 kg (2.2 pounds) net capacity each for solids
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