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Selenium dioxide?COA Report

CAS No.：7446-08-4
Molecular weight：110.96
Aliases：Selenite anhydride
Molecular formula：SeO₂
EC No.：231-194-7
贬厂-狈辞：28112990

Information

Specification category：

Product No.	Product name	specifications
1.07133.046	selenium dioxide	CP 50g

颁丑补谤补肠迟别谤颈蝉迟颈肠： Appearance and properties:White or red shiny needle crystal powder, irritating odor.
Relative density (water=1):3.95
Melting point(℃):340～350
Concentration:pure
Saturated vapor pressure:0.13/157℃
Solubility:Dissolved in water, ethanol, acetone, benzene, acetic acid.
Hazard characteristics：

IATA-DGR UN 3283 SELENIUM COMPOUND,SOLID,N.O.S.,6.1,Ⅱ

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Hydrazinium hydroxide?35%

Potassium carbonate crystal

Lead(Ⅱ) carbonate basic

Sodium salicylate

Aluminum powder?

Ethylenediammonium dichloride

Diisopropylamine?

Diethyl oxalate

1,1,1-Trichloroethane?

Paraformaldehyde?

N-Chlorosuccinimide

Ethylene glycol?65%

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Potassium stannate trihydrate

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Magnesium acetate?tetrahydrate

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Diethylene glycol monobutyl ether?

2-Thiobarbituric acid?

Hydrazinium hydroxide 55%

Molybdenum disulfide

Phenylhydrazine

Nitric acid?69-71%

N,N-Dimethylaniline

Nickel(II) sulfate?hexahydrate

Martin medium modified

Kligler iron agar?

Nickel(II) carbonate basic tetrahydrate

Potassium thiocyanate?

Potassium bromide?

Formaldehyde solution?28%

iso-Propanol?99.9%

Polyethylene glycol 600?

N,N-Dimethyl-1,4-phenylenediammonium dichloride

Potassium peroxodisulfate

Cobalt(III) oxide

Copper(II) oxide wire

Tetraethylammonium bromide?

Lead(Ⅱ) sulfate

Potassium iodate?

1-Dodecanethiol?

Magnesium sulfate anhydrous?

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Sodium acetate?trihydrate

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1-Bromonaphthalene?

Bismuth citrate

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Choline chloride

Sodium m-nitrobenzenesulfonate?

Phosphotungstic acid?

Sodium hydrogen phthalate?

Dibutyl o-phthalate?

4-Methylpyridine

Ethylene glycol?30%

Copper(II) sulfate anhydrous?

Strontium chloride?hexahydrate

Methylammonium chloride

2-Aminothiazole

Aluminum oxide?

Bismuth granular?

Sodium nitroferricyanide?dihydrate

Trimethylchlorosilane?

Zinc phosphate?tetrahydrate

Triiodomethane?

Calcium nitrate?

Aluminum sheet?

Manganese(II) chloride tetrahydrate?

Sodium hydrogen sulfite?

Sodium?perborate tetrahydrate

Potassium dichromate standard volumetic solution

Sodium sulfosalicylate?

Chloramine T trihydrate

Silver nitrate?

Nickel(II) sulfamate solution

Phosphorus(V) oxide

Aluminum chloride anhydrous?

Lead(Ⅱ) acetate trihydrate

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Safranine T (C.I.50240)

3,3'-Dimethyldiphenylamine

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Indole-3-acetic acid?

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Calcon carboxylic acid

Ammonium persulfate?

Ethylenediamine tetraacetic acid dipotassium?salt hexadrate

Lead(Ⅱ) chromate

Nutrient broth?

Iron(III) chloride?hexahydrate

Lead(Ⅱ) carbonate

Cellulase Onozuka R-10

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m-Chloroaniline

Lithium acetate?dihydrate

Potassium sodium citrate monohydrate

o-Cresolphtalein complexon

p-Nitrotoluene?

6-Amino caproic acid

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Copper(I) iodide?

Dimethyl yellow (C.I.11020)

Maltose?monohydrate

Strontium nitrate?

Semixylenol orange

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Sodium tripolyphosphate / Sodium triphosphate

Ammonium molybdate?tetrahydrate

Diisopropyl ether?

Tin(II) chloride?dihydrate

1,2-Dibromoethane?

N-Methylmorpholine

Hydrochloric acid?18%

Sodium succinate?hexahydrate

Sodium lactate?

Glutaraldehyde 25%

Ethylenediamine tetraacetic acid tetrasodium solution

Formaldehyde solution?30%

Thiosemicarbazide

Eosin Y (alcohol soluble)? (C.I.45380.2)

Aluminum?chloride basic solution 50%

Titanium trichloride solution

Potassium hydrogen tartrate

Fluosilicic acid?

翱谤补苍驳别Ⅰ

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Methyl blue (C.I.42780)

Ethylenediamine tetraacetic acid disodium salt standard volumetic solution

Benzoyl chloride?

Disodium hydrogen phosphate anhydrous?

Cadmium sulfate?octahydrate

Iron(II) sulfate?heptahydrate

Ethylene glycol dimethyl ether?

calcium phosphate

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Titanium dioxide?

Ethylenediamine

Polyethylene glycol 200

Hydrochloric acid?

Ponceau S (C.I. 27195)

Barium carbonate?

Sodium dodecylsulfate?

Petroleum ether 90-120

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1,2,3,4-Tetrahydronaphthalene?

Phosphorus red?

Iron standard solution for impurity

Sodium chloride?

Sodium acetate anhydrous?

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Sulfuric acid?50%

Sodium borohydride

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Ethyl acetoacetate?

Zinc standard solution for impurity

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Indigo carmine (C.I. 73015)

Cupric Pyrophosphate

Iron(II) sulfide

Bromophenol blue

Potassium hydroxide?48%

tri-Potassium phosphate?trihydrate

Silver diethyldithiocarbamate

Cerium(IV) oxide?

Alikali blue 6B (C.I.46725)

L-Cysteine hydrochloride anhydrous

Barium chromate?

L-Histidine hydrochloride

Sodium tetraphenyl boron?

Hydrochloric acid 33%

Trifluoroacetic acid?

Polyphosphoric acid

Methyl 4-hydroxybenzoate

Titan yellow (C.I.19540)

Sodium periodate?

Molybdenum trioxide?

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Potassium dichromate

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Hydrochloric acid?20%

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Chromotropic acid disodium salt

Hexamethyldisilazane

Trisodium citrate?dihydrate

Manganese(II) sulfate?monohydrate

Tetrahydrofuran

Strontium carbonate?

Tin(II) chloride

Ammonium chloride?

Potassium periodate

Tetrahydrofurfuryl alcohol?

Benzenesulfonyl chloride?

Lead standard solution for impurity

Peroxyacetic acid

Sodium fluoride

Potassium iodate standard volumetic solution

Sodium dihydrogen phosphate anhydrous?

Silicon dioxide?

Methylthymol blue

Potassium phosphate tribasic anhdrous

Sulfuric acid?standard solution 0.1%

Potassium hydrogen oxalate

Methyl acetate?

Peptone, fish powder

Ammonium sulfamate?

Magnesium nitrate?hexahydrate

Lead(Ⅱ) chloride

Formaldehyde solution?22.8%

?Amido black 10B

2,6-Di-tert-butyl-4-methylphenol

5-(4-Dimethylaminobenzylidene)-rhodanine

Na-Benzoyl-L-arginine ethyl ester hydrochloride

5-Sulfosalicylic acid dihydrate

1,2-Dichlomoethane?

Calcium chloride anhydrous?

Hexamethylenetetramine

Barium peroxide

Methylamine alcohol solution?

Polyvinyl alcohol

Copper(II) formate hydrate

1-Naphthylamine

Lead(Ⅱ,Ⅳ) oxide red

tri-Potassium citrate monohydrate

Calcium chloride dihydrate?

N-Ethylmaleimide

Potassium nitrate?

Nitric acid fuming?

Manganese dioxide?

Lactose bile fermentation medium

Zinc acetate dihydrate

Dimethylamine water solution

Phthalic anhydride?

Sodium chromate(VI) anhydrous

Potassium hydrogen carbonate

8-Hydroxyquinoline

Borax buffer solution

Barium stearate?

Sodium benzoate?

Ethylenedinitrilotetraacetic acid

Sodium carbonate anhydrous?

Semicarbazide hydrochloride

Sodium?hexametaphosphate

Iron(II) chloride tetrahydrate

4,4'-Diaminodiphenyl sulphone

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Potassium hydroxide

Hydrochloric acid?32%

Bismuth(III) chloride?

Bismarck brown Y (C.I.21000)

Sodium ethylate

Tris(hydroxymethyl) aminomethane?

Sodium nitrate?

Nitroblue tetrazolium chloride

Diisobutylamine

Disodium rhodizonate?

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Manganese powder?

D-Phenylalanine

Ethylenediamine tetraacetic acid tetrasodium salt dihydrate

L-Ascorbic acid

Sudan IV (C.I.26015)

Magnesium hydroxide?

Sodium?hypophosphite monohydrate

Ethylene glycol monobutyl ether?

Ammonium pyrrolidine dithiocarbamate

Ethylenediamine tetraacetic acid dipotassium?salt dihydrate

1,4-Benzoquinone?

Boron trifluoride etherate

Calcein indicator

Acid chrome blue K (C.I.16675)

3,5-dihydroxytoluene

Selenium dioxide?

Ammonium iodide?

Sodium iodide?dihydrate

1-Methyl-2-pyrrolidone?

Methyl red indicator solution for use in test methods

Sudan I (C.I.12055)

Lithium standard solution for impurity

Sulfur sublimed

Guanidine carbonate

2,4,6 - Triamino-1,3,5-triazine

Triammonium citrate

Magnesium stearate

Triethanolamine

Dibutyltin dilaurate

Propionic acid?

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Sodium hydrogen tartrate?

Potassium sulfate?

Sodium sulfate anhydrous?

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Polyethylene glycol 8000

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Germanium oxide

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Brilliant Green

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SodiuM cholate hydrate

Lead(Ⅱ) acetate basic

Potassium oxalate?monohydrate

OP emulsifying agent

Sodium hydroxide?solution 30%

Gentian violet??(C.I.42535 or 42555)

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Rose bengal sodium salt (C.I. 45440)

Aluminum hydroxide?

Isobuty methyl ketone

Barium acetate?

Sodium chlorate?

Hydrochloric acid 35%

Bis(cyclohexanone)- oxalyldihydrazone

Potassium fluoride dihydrate

Sodium ferrocyanide?

Tetrabutylammonium iodide?

Calcium hydroxide?

α-Naphthylacetic acid?

Benzidine dihydrochloride

Ammonium tartrate?

Silicone oil H201-500

Phosphorus acid

Iron standard solution for impurity

Barium sulfate?

Succinic anhydride

o-Cresolphthalein

Aluminum?chloride crystal

Calcium stearate?

1H-Benzotriazole

di-Magnesium trisilicate

Tribromomethane?

Sulfur precipitated

4-Aminobenzoic acid?

Ethyl methyl ketone

Ammonium aluminum sulfate?dodecahydrate

Bromothymol blue

Magnesium carbonate basic?pentahydrate

Chromium(III) sulfate solution 50%

Diphenylcarbazone

Sodium methylate

Bromocresol green solution 0.4%

Indole-3-butyric acid

Copper(II) hydroxide?

Gold chloride / Chloroauric acid hydrated

Aluminum nitrate nonahydrate

?2-hydroxy-3,5-dinitro-Benzoic acid

Potassium hydroxide?45%

Diethylene glycol monomethyl ether?

Diacetyl monoxime

Sodium dodecylsulfonate?

N,N-Dimethylbenzylamine

Ammonium cerium(IV) sulfate?

Magnesium chloride?hexahydrate

Silicotungstic acid?

Sodium sulfate decahydrate

trans-Cinnamaldehyde?

Ammonium carbonate

Iodine standard volumetic solution

Iron(III) citrate?pentahydrate

Polyethylene glycol 10000?

Copper standard solution for impurity

Ammonium hydrogen difluoride?

Chromium powder?

tert-Butylamine?

Sodium tungstate?dihydrate

Nickel(II) chloride?hexahydrate

Ethanol absolute 99.98%

Diacetone alcohol?

1,1,2,2-Tetrachloroethane?

Stannous methanesulfonate

Copper(II) nitrate?trihydrate

Barium hydroxide?octahydrate

β- Cyclodextrin

Ammonium acetate?

Zinc nitrate?hexahydrate

N,N'-Methylene bisacrylamide

Hydroxylamine sulfate

Polyethylene glycol 6000?

Lead(Ⅱ) oxide yellow

Sodium carboxymethyl cellulose 300-800?

4,4'-Diaminodiphenylmethane?

Alizarin complexone

Sodium dodecylbenzenesulfonate?

Sodium diethyldithiocarbamate trihydrate

Selenite Cystine broth?

Zinc dihydrogen phosphate?

Glucose anhydrous?

Devarda's alloy

Camphor synthetic

Lanolin anhydrous

Hydrazinium sulfate

Zinc sulfate?heptahydrate

Carbon tetrachloride?

Bromocresol green

Aluminum sulfate?octadecahydrate

Ethylene glycol?

Lanthanum chloride?heptahydrate

Barium nitrate?

N,N-Dimethylformamide?

Sodium 1-pentanesulfonate?

Potassium acetate

Potassium hydrogen phthalate

Potassium chromate indicator solution.

Sodium fluoroaluminate?

Sodium hydrogen carbonate?

Benzyl alcohol?

2-Mercaptobenzothiazole

Lithium carbonate?

Aluminum oxide neutral?200-300

Ethylamine water solution

Lead(II) nitrate standard volumetic solution

Bromocresol purple

Cobalt(II) nitrate?hexahydrate

Sodium persulfate?

Lead(Ⅱ) nitrate

Butyl acrylate?

Tin(II) sulfate?

Copper(II) chloride dihydrate

Sudan III (C.I.26100)

Sodium hydroxide standard volumetic solution

Calcium dihydrogen phosphate?

Potassium hexachloroplatinate(Ⅳ)

N-Bromosuccinimide

2,4-Dinitrophenylhydrazine

Nitric acid 53-55%

Maleic anhydride

Barbituric acid?

Sodium carboxymethyl cellulose?800-1200

di-Potassium hydrogen phosphate trihydrate

Disodium hydrogen phosphate?dodecahydrate

sec-octyl alcohol

Ethylene glycol phenyl ether?

Barium oxide?anhydrous

Copper(II) oxalate hemihydrate

Copper(II) acetate?monohydrate

Potassium bromate?

Histamine phosphate

Phenol red solution 0.02%（AR)

Sodium dihydrogen phosphate monohydrate

Potassium chlorate

1,5-Diphenylcarbazide

Ethanol 73%～75%

Methyl salicylate

Lithium chloride?monohydrate

Selenium powder?

Potassium tartrate hemihydrate

Sodium thiosulfate?pentahydrate

iso-Amyl acetate

Strontium sulfate?

Ammonium sulfate?

Diethyl malonate

Nicotinic acid?

Neutral red (C.I.50040)

Sodium hypochlorite?

Thioglycollate medium?

Cobalt(II) acetate?tetrahydrate

Methylene blue (C.I.52015)

Ethanolamine 10%

Eosin Y (water soluble) (C.I.45380)

Sodium perchlorate?monohydrate

Charcoal activated powder

Aluminum oxide neutral?

N-Phenylanthranilic acid

1-Amino-2-naphthol-4-sulfonic acid?

Guanidinium chloride

Hydrobromic acid?

Sodium hydroxide?solution 40%

Bismuth subnitrate?

Lanthanum nitrate?hexahydrate

Sodium dihydrogen phosphate?dihydrate

Hydrochloric acid standard volumetic solution

Tin(IV) chloride pentahydrate

Nickel(III) oxide?

1,4-Phenylenediammonium dichloride

Triphenylphosphine?

Sodium chromate tetrahydrate

Aniline blue (water soluble) (C.I.42755)

Chrome azurol S (C.I.43825)

Methylamine water solution?

Potassium pyrosulfate

Iodine monochloride?

Magnesium sulfate?heptahydrate

Polyethylene glycol 4000?

Sulfuric acid standard volumetic solution

Glycerol monostearate

Potassium permangaNot availablete standard volumetic solution

p-Toluene sulfonamide

Chromium(III) nitrate?nonahydrate

Polyethylene glycol 1450

Lithium hydroxide?monohydrate

Hydrochloric acid?31%

Bismuth(III) oxide?

Formaldehyde solution?

Copper(II) carbonate basic

Phthaldialdehyde

2,3,5-Triphenyl tetrazolium chloride

Trisodium phosphate?dodecahydrate

Sodium sulfite anhydrous?

Polyethylene glycol 400?

Chromium(III) sulfate hexahydrate

Potassium dihydrogen phosphate

1-Bromopropane?

iso-Butyl acetate?

2-Butyne-1,4-diol

Nigrosine (water soluble)

Congo red (C.I. 22120)

Potassium pyrophosphate trihydrate

Paraffin liquid?

Potassium oleate

Aluminum acetylacetonate

4-Hydroxybenzaldehyde?

Antimony trioxide?

Calcium sulfate?

Tributyl phosphate?

Ammonium dichromate?

Sodium pyrosulfite

Hydroxylammonium chloride

Eriochrome black T (C.I.14645)

Ethyl 4-hydroxybenzoate

1,2-Propanediol?

Potassium?perchlorate

Bromocresol green sodium salt

Crystal violet?(C.I.42555)

Alizarin yellow GG

Sodium dithionite

Iodine trichloride?

Phosphomolybdic acid?

Ammonium dihydrogen phosphate?

Nickel(II) nitrate hexahydrate

Ethylene glycol monomethyl ether?

α-尝补肠迟辞蝉别?

Diethylene glycol monoethyl ether?

Sulfuric acid?75%

Albumin flake(egg)

Potassium standard solution for impurity

Sodium potassium tartrate?tetrahydrate

D(+)-Cellobiose

Perchloric acid?

Diethyl ether?anhydrous

Iron(III) oxide?

Potassium thiosulfate hydrate

Polyethylene glycol 1000?

Potassium metabisulfite

Sodium hydroxide?solution 49%

Phosphorous acid?

Chromium(Ⅲ) potassium sulfate dodecahydrate

2,4-Dinitrophenol

Potassium stannate

Sodium fluorosilicate?

1,3,5-Trimethylbenzene?

Polyethylene glycol 300?

Iron(III) sulfate

1,2-Phenylenediamine

Diboron trioxide?

Sodium dichromate?dihydrate

Palladium(II) chloride anhydrous

Ethylenediamine tetraacetic acid standard solution

D-Glucose?monohydrate

Diammonium hydrogen citrate?

Methyl red sodium salt

Methane sulfonic acid

Potassium antimony tartrate

Chloral hydrate

Ammonium cerium(IV) nitrate

Sodium standard solution for impurity

Hydrogen peroxide 30%

Thiamine chloride hydrochloride

Sodium alginate?

Chromium(III) oxide?

Magnesium powder 200

Diethyl o-phthalate?

mercaptoacetic acid

Sodium silicate?nonahydrate

Charcoal activated granular

Zirconium oxychloride?octahydrate

Ethylenediaminetetraacetic acid ferric monosodium salt

Fluosilicic acid?23%-25%

Sodium hydroxide?solution 32%

Ammonium iron(III) sulfate?dodecahydrate

Magnesium turnings

Sodium hydrogen fluoride

Potassium nitrite

Ammonium formate?

Diethylenetriamine

Thymolphthalein

Potassium permanganate

Zirconium nitrate

Magnesium ribbon?99.5%

Cerium(IV) sulfate?tetrahydrate

Dicyclohexyl phthalate

Alizarin yellow R (C.I.14030)

1-Cyanoguanidine

Sodium tetraborate?decahydrate

Manganese nitrate?solution 50%

1-(2-Pyridylazo)-2-naphthol?

Calcium fluoride?

4-Aminoantipyrine

Butyl methacrylate

4-Chlorophenoxy acetic acid

Ammonium cerium(IV) sulfate standard volumetic solution

Potassium hydrogen sulfate?

Tungsten trioxide?

Lithium nitrate

Iron?powder reduced

Hydrazium dichloride

Triphenyl phosphite?

Sodium tartrate?dihydrate

Benzenemethanaminium

Nitric acid 40%

Sodium metaborate hydrate

4-Nitrobenzoic acid?

Sodium 1-octanesulfonate?

Cyclohexylamine

Silicone oil H201-100

Zinc free from arsenic?

Dimethylglyoxime

Triethylenetetramine

Lithium sulfate?monohydrate

?Pyrogallol acid

Magnesium ribbon

Phenol red sodium salt

Potassium hexacyanoferrate(Ⅱ) trihydrate

Sodium ammonium hydrogen phosphate?

Phenolphthalein

Methyl red (C.I. 13020)

Triethylene glycol?

Triethyl phosphate?

Diammonium hydrogen phosphate?

Potassium hexacyanoferrate(Ⅲ)

Nickel(II) acetate?

di-Potassium hydrogen phosphate anhydrous

Lymphocyte separation media?

Fluorescein?sodium

Manganese standard solution for impurity

Triphenyl phosphate?

Copper(I) chloride?

Thionyl chloride

Ammonium fluoride?

Sodium aluminate

Sulfanilic acid

Triethyl orthoformate

Sodium barbital?

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