Sodium dichromate dihydrate,CAS No.:7789-12-0

Post Date:
Mar 09,2016
Expiry Date:
Mar 09,2017
Detailed Description:
Cas No. :7789-12-0 Quantity: 10Metric Tons
Specs:98.5 min
Price:1.0 USD Metric Tons
Payment Method: T/T or irrevocable L/C
Name: Sodium dichromate dihydrate
CAS No.: 7789-12-0
EINECS: 234-190-3
Synonyms: SODIUM DICHROMATE;SODIUM DICHROMATE 2H2O;SODIUM DICHROMATE-2-HYDRATE;SODIUM DICHROMATE DIHYDRATE;SODIUM DICHROMATE, HYDROUS;SODIUM BICHROMATE;SODIUM BICHROMATE DIHYDRATE;chromicacid(h2cr2o7),disodiumsalt,dihydrate
Assay: ≥98.5
Appearance: Bright orange monoclinic acicular crystal
Molecular Formula: Na2Cr2O7·2H2O
Molecular Weight: 298
Density: 2.35 g/cm3
Melting Point: 357 ºC
Boiling Point: 400 ºC
Water solubility 730 g/L (20 ºC)
USAGE: "chromium compounds ,Leather tanning and screen printing,Electroplating ,Pyrotechnics and explosives,Pigment preparation,Wood Preservative,Metal Treating and corrosion inhibitor,Oil drilling,Catalyst for the chromium metal production,Photographic engraving

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Molecular Structure:
CAS Registry Number:
7789-12-0
Synonyms:
;Dichromic acid disodium salt, dihydrate;Disodium dichromate dihydrate;sodium dichromate dihydrate;
Molecular Formula:
Cr₂H₄NaO₉
Molecular Weight:
275.00833
Molecular Structure:
Hazard Symbols:
O:Oxidizing agent;
T+:Very toxic;
N:Dangerous for the environment;
Risk Codes:
R21:;
R25:;
R26:;
R34:;
R42/43:;
R45:;
R46:;
R48/23:;
R50/53:;
R60:;
R61:;
R8:;
Safety Description:
S45:;
S53:;
S60:;
S61:;