July 2021

[Name] SODIUM HYDROGEN SELENITE [CAS] 7782-82-3 [Synonyms] SODIUM ACID SELENITE Sodium biseleite SODIUM BISELENITE SODIUM HYDROGEN SELENITE SODIUM HYDROSELENITE Hydrogensodiumselenite Hydrogensodiumseleniumoxide Seleniousacid,monosodiumsalt Seleniousacidmonosodiumsalt Sodiumhydrogentrioxoselenite Sodiumselenite(7CI) SodiumHydrogenSelenite,>98% SODIUM BISELENITE pure Sodium biselenite, Sodium hydroselenite Selenious acid hydrogen=sodium salt [EINECS(EC#)] 231-966-3 [Molecular Formula] HNaO3Se [MDL Number] MFCD00003525 [Molecular Weight] 150.96

[Name] Sodium selenite [CAS] 10102-18-8 [Synonyms] Disodium selenite SODIUM SELENITE disodiumseleniumtrioxide natriumselenit seleniousacid(h2seo3),disodiumsalt Seleniousacid,disodiumsalt SodiumSelenitanhydrous Sodiumselenite(H2O3Se.2Na) Sodiumselenite,anhydrous SODIUM SELENITE SOL. 45 % SODIUM SELENITE CELL CULTURE TESTED SODIUM SELENITE 99.999% SODIUM SELENITE FOR THE GLASS INDUSTRY SODIUM SELENITE GAMMA-IRRADIATED CELL*CU LTURE TESTE SodiumSeleniteGr(Anhydrous) Sodium selenite, 44-46% Se, anhydrous SODIUM SELENITE, 95%

product Name dialuminium triselenite Synonyms Selenious acid, aluminum salt (3:2); Aluminum selenite; Dialuminium triselenite; aluminum selenite (2:3) Molecular Formula Al2O9Se3 Molecular Weight 434.8377 InChI InChI=1/2Al.3H2O3Se/c;;3*1-4(2)3/h;;3*(H2,1,2,3)/q2*+3;;;/p-6 CAS Registry Number 20960-77-4 EINECS 244-126-6

CALCIUM SELENITE Basic information Product Name: CALCIUM SELENITE Synonyms: Selenious acid calcium salt CAS: 13780-18-2 MF: Ca.H2O3Se MW: 169.05 EINECS: 237-427-9 Product Categories: Mol File: 13780-18-2.mol

Product Name: Selenious acid Synonyms: Selenousacid(99.999%-Se)PURATREM;SELENIOUSACID,REAGENT;SELENOUS ACID: 99.999% PURATREM;seleniousacid(h2seo3);seleniousacid10 ;SELENOUS ACID 99%;Selenium, AAS standard solution, Specpure(R), Se 1000μg/ml;Selenium, plasma standard solution, Specpure(R), Se 10,000μg/ml CAS: 7783-00-8 MF: H2O3Se MW: 128.97 EINECS: 231-974-7 Product Categories: Alkaloid reagent;selenium oxy-acid;AA Standard SolutionsAlphabetic;Reference/Calibration Standards;S;SA - SM;Standard Solutions;AAS;AAS CRMsSpectroscopy;AASSpectroscopy;Application