SODIUM SULFITE ANHYDROUS FOR ANALYSIS

Code: 1066575000 D2-231

Analysis Note

Assay (iodometric): 97.0 - 100.5 %Identity: passes testAppearance of solution: passes testInsoluble matter: ≤ 0.005 %Free acid: passes testTitrable free b...


read more

Your Price
€342.00 EACH
€420.66 inc. VAT
REQUEST

Analysis Note

Assay (iodometric): 97.0 - 100.5 %Identity: passes testAppearance of solution: passes testInsoluble matter: ≤ 0.005 %Free acid: passes testTitrable free base: ≤ 0.03 meq/gChloride (Cl): ≤ 0.02 %Thiosulfate (S2O3): ≤ 0.1 %Heavy metals (as Pb): ≤ 0.0005 %As (Arsenic): ≤ 0.0001 %Cu (Copper): ≤ 0.0005 þ (Iron): ≤ 0.001 %Pb (Lead): ≤ 0.0005 %Se (Selenium): ≤ 0.0004 %Zn (Zinc): ≤ 0.001 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Packaging

50 kg in Fibre carton

1, 5 kg in Plastic bottle

500 g in Plastic bottle

agencyreag. Ph. Eur.
anion traceschloride (Cl-): ≤0.02%, thiosulfate (S2O32-): ≤0.1%
assay97.0-100.5% (iodometric)
bulk density1480 kg/m3
cation tracesPb: ≤0.0005%, Fe: ≤0.001%, Cu: ≤0.0005%, Zn: ≤0.001%, heavy metals (as Pb): ≤0.0005%, As: ≤0.0001%, Se: ≤0.0004%
density2.63 g/cm3 at 20 °C
formpowder
impurities≤0.03 meq/g Titrable free base, ≤0.005% Insoluble matter
InChI keyGEHJYWRUCIMESM-UHFFFAOYSA-L
InChI1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
mp>500 °C (decomposition)
pH8.8-10 (20 °C, 50 g/L in H2O)
potency2610 mg/kg LD50, oral (Rat)
product lineEMSURE®
Quality Level300
SMILES string[Na+].[Na+].[O-]S([O-])=O
storage temp.2-30°C
Cas Number7757-83-7
This product has met the following criteria to qualify for the following awards:



PROCEED TO CHECKOUT

HAVE AN ACCOUNT? LOGIN

GUEST CHECKOUT

Proceed as a guest. You will have the option to register to access exclusive pricing and stock availability features after checkout.