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Chemical Reagents

Methylthymol blue COA Report

CAS No.：1945-77-3
Molecular weight：778.82
Aliases：3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]thymolsulfonphthalein
Molecular formula：C₃₇H₄₃N₂O₁₃NaS
EC No.：217-743-3
HS-No：29349990

Information

Specification category：

Product No.	Product name	specifications
1.28733.010	Methylthymol blue	AR5g
1.28733.020	Methylthymol blue	IND5g

Characteristic： Appearance and properties: green or brown crystalline
pH: 6.2
Bulk density (kg/m3): 570

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Sodium malonate?

Copper(I) oxide

Ethylenediamine tetraacetic acid tetrasodium salt anhydros

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Castor oil

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Lead(Ⅱ) carbonate basic

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Aluminum powder?

Ethylenediammonium dichloride

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Ethylene glycol?65%

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Magnesium acetate?tetrahydrate

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2-Thiobarbituric acid?

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Hydrazinium hydroxide 55%

Nickel(II) sulfate?hexahydrate

Martin medium modified

Kligler iron agar?

Nickel(II) carbonate basic tetrahydrate

Potassium thiocyanate?

Potassium bromide?

Formaldehyde solution?28%

Tin powder?

iso-Propanol?99.9%

Pepsin

Polyethylene glycol 600?

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

Potassium peroxodisulfate

Thioacetamide

Cobalt(III) oxide

Copper(II) oxide wire

Chlorobenzene?

Tetraethylammonium bromide?

Lead(Ⅱ) sulfate

Potassium iodate?

1-Dodecanethiol?

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Benzyl chloride?

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Choline chloride

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ethyl silicate

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Methylammonium chloride

Sodium nitroferricyanide?dihydrate

Trimethylchlorosilane?

Zinc phosphate?tetrahydrate

Triiodomethane?

Calcium nitrate?

Aluminum sheet?

Manganese(II) chloride tetrahydrate?

L-Histidine

Sodium hydrogen sulfite?

Sodium?perborate tetrahydrate

Potassium dichromate standard volumetic solution

Sodium sulfosalicylate?

Urea

Wright's stain

Chloramine T trihydrate

Silver nitrate?

Soda lime

Nickel(II) sulfamate solution

Phosphorus(V) oxide

Bromine

Polyvidone 25

Aluminum chloride anhydrous?

Lead(Ⅱ) acetate trihydrate

Sodium 1-hexanesulfonate?

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D-Mannose

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Ammonium persulfate?

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Iron(III) chloride?hexahydrate

Lead(Ⅱ) carbonate

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Polyethylene glycol 20000?

Sodium tripolyphosphate / Sodium triphosphate

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N-Methylmorpholine

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Tween 80

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Ethylenediamine tetraacetic acid tetrasodium solution

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Thiosemicarbazide

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1,4-Butanediol

Aluminum?chloride basic solution 50%

Titanium trichloride solution

Gulaiacol

Potassium hydrogen tartrate

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Methyl blue (C.I.42780)

Ethylenediamine tetraacetic acid disodium salt standard volumetic solution

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Gum arabic?

Disodium hydrogen phosphate anhydrous?

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Hydrochloric acid?

Ponceau S (C.I. 27195)

Barium carbonate?

Riboflavine

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Petroleum ether 90-120

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tri-Potassium phosphate?trihydrate

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Alikali blue 6B (C.I.46725)

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Span 80

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Xylenol orange

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Chloroform

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Polyphosphoric acid

Methyl 4-hydroxybenzoate

Titan yellow (C.I.19540)

Cobalt(II) sulfate?heptahydrate

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Acetamide

Sodium hexametaphosphate

Butyric acid?

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Span 20

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Hexamethyldisilazane

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Triethylamine

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Lead(Ⅱ) chloride

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?Amido black 10B

Trypan blue

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Iodine?

5-(4-Dimethylaminobenzylidene)-rhodanine

Thiourea

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5-Sulfosalicylic acid dihydrate

1,2-Dichlomoethane?

Calcium chloride anhydrous?

Phenol

Hexamethylenetetramine

Barium peroxide

Methylamine alcohol solution?

Polyvinyl alcohol

Orange G

Copper(II) formate hydrate

1-Naphthylamine

Lead(Ⅱ,Ⅳ) oxide red

tri-Potassium citrate monohydrate

Calcium chloride dihydrate?

Lactose bile fermentation medium

Zinc acetate dihydrate

Fumaric acid

Dimethylamine water solution

Phthalic anhydride?

Sodium chromate(VI) anhydrous

Potassium hydrogen carbonate

8-Hydroxyquinoline

Borax buffer solution

Maleic acid

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%

Span 60

Bismuth(III) chloride?

Naphthalene?

Bismarck brown Y (C.I.21000)

Sodium ethylate

Tris(hydroxymethyl) aminomethane?

Copper powder?

Sodium nitrate?

Nitroblue tetrazolium chloride

n-Propanol?

Trypsin

Diisobutylamine

Disodium rhodizonate?

Indigo carmine (C.I.73015)

Manganese powder?

Acetylacetone

D-Phenylalanine

Ethylenediamine tetraacetic acid tetrasodium salt dihydrate

Sodium?hypophosphite monohydrate

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1-Dodecanol?

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Sodium iodate

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3,5-dihydroxytoluene

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Ammonium iodide?

Sodium iodide?dihydrate

Ethanol 70%

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

Starch soluble

Guanidine carbonate

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

Petroleum ether 60-90

Ethanol 75%

Sodium hydrogen tartrate?

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Iodoethane?

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D(+)-Galactose

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Lead(Ⅱ) acetate basic

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OP emulsifying agent

Sodium hydroxide?solution 30%

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

Malachite green?(C.I.42000）

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Iodine?

Sodium diphenylamine-4-sulfonate?

Rose bengal sodium salt (C.I. 45440)

Casein

Aluminum hydroxide?

Isobuty methyl ketone

Barium acetate?

Sodium chlorate?

Hydrochloric acid 35%

Bis(cyclohexanone)- oxalyldihydrazone

Potassium fluoride dihydrate

Quartz sand?

Sodium ferrocyanide?

Tetrabutylammonium iodide?

Calcium hydroxide?

Ethanol 75%

α-Naphthylacetic acid?

Hydroquinone

Benzidine dihydrochloride

Ammonium tartrate?

Silicone oil H201-500

Benzoic acid?

Phosphorus acid

Iron standard solution for impurity

Aluminum?chloride crystal

Calcium stearate?

1H-Benzotriazole

di-Magnesium trisilicate

Ammonium aluminum sulfate?dodecahydrate

Bromothymol blue

Magnesium carbonate basic?pentahydrate

Chromium(III) sulfate solution 50%

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

Diethyl ether?

Periodic acid?

Potassium hydroxide?45%

Diethylene glycol monomethyl ether?

Peptone

Diacetyl monoxime

Sodium dodecylsulfonate?

N,N-Dimethylbenzylamine

DL-Alanine

Ammonium cerium(IV) sulfate?

Magnesium chloride?hexahydrate

Silicotungstic acid?

Sodium sulfate decahydrate

Zinc granular

trans-Cinnamaldehyde?

Kaolin?

Ammonium carbonate

Asbestos soda

Iodine standard volumetic solution

Iron(III) citrate?pentahydrate

Polyethylene glycol 10000?

Copper standard solution for impurity

Ammonium hydrogen difluoride?

Chromium powder?

Glycerol?

tert-Butylamine?

Sodium tungstate?dihydrate

Nickel(II) chloride?hexahydrate

Ethanol absolute 99.98%

Diacetone alcohol?

1,1,2,2-Tetrachloroethane?

Pyridine

Stannous methanesulfonate

Cinchonine

Copper(II) nitrate?trihydrate

Barium hydroxide?octahydrate

β- Cyclodextrin

Ammonium acetate?

Zinc nitrate?hexahydrate

N,N'-Methylene bisacrylamide

iso-Butanol?

Hydroxylamine sulfate

Polyethylene glycol 6000?

Lead(Ⅱ) oxide yellow

Cyclohexanol

Sodium carboxymethyl cellulose 300-800?

4,4'-Diaminodiphenylmethane?

Alizarin complexone

Sodium dodecylbenzenesulfonate?

Sodium diethyldithiocarbamate trihydrate

Selenite Cystine broth?

Zinc dihydrogen phosphate?

Zinc sulfate?heptahydrate

Carbon tetrachloride?

Bromocresol green

Aluminum sulfate?octadecahydrate

Lanthanum chloride?heptahydrate

Barium nitrate?

Lead powder

D-Sorbitol?

N,N-Dimethylformamide?

Sodium 1-pentanesulfonate?

Potassium acetate

Potassium hydrogen phthalate

iso-Octane?

Potassium chromate indicator solution.

Benzaldehyde?

Sodium fluoroaluminate?

Sodium hydrogen carbonate?

n-Octane?

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

Copper(II) chloride dihydrate

Sudan III (C.I.26100)

Sodium hydroxide standard volumetic solution

Calcium dihydrogen phosphate?

DL-Malic acid

Antipyrine

Potassium hexachloroplatinate(Ⅳ)

Tween 60

N-Bromosuccinimide

2,4-Dinitrophenylhydrazine

Sodium carboxymethyl cellulose?800-1200

di-Potassium hydrogen phosphate trihydrate

Disodium hydrogen phosphate?dodecahydrate

sec-octyl alcohol

Ethylene glycol phenyl ether?

Metol?

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

Neutral red (C.I.50040)

Sodium hypochlorite?

Thioglycollate medium?

Cupferron

Cobalt(II) acetate?tetrahydrate

Methylene blue (C.I.52015)

Ethanolamine 10%

Citric acid

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

Sodium perchlorate?monohydrate

Charcoal activated powder

Tin granular?

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

Itaconic acid?

Carmine

Tin(IV) chloride pentahydrate

Nickel(III) oxide?

1,4-Phenylenediammonium dichloride

L-Cystine

Triphenylphosphine?

Sodium chromate tetrahydrate

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

Vanillin

Chrome azurol S (C.I.43825)

Methylamine water solution?

Potassium pyrosulfate

Folic acid?

Iodine monochloride?

Magnesium sulfate?heptahydrate

Polyethylene glycol 4000?

Sulfuric acid standard volumetic solution

2-Butanol

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

2,3,5-Triphenyl tetrazolium chloride

Trisodium phosphate?dodecahydrate

Bile salt pig

Sodium sulfite anhydrous?

Polyethylene glycol 400?

Chromium(III) sulfate hexahydrate

Cedar?wood oil

Potassium dihydrogen phosphate

1-Bromopropane?

iso-Butyl acetate?

2-Butyne-1,4-diol

Nigrosine (water soluble)

Murexide

Cinnamic acid

Congo red (C.I. 22120)

Potassium pyrophosphate trihydrate

Paraffin liquid?

Potassium oleate

Aluminum acetylacetonate

4-Hydroxybenzaldehyde?

Hydroxylammonium chloride

iso-Propanol?

Glycylglycine

Eriochrome black T (C.I.14645)

Ethyl 4-hydroxybenzoate

1,2-Propanediol?

Potassium?perchlorate

Bromocresol green sodium salt

Mandelic acid

Crystal violet?(C.I.42555)

Phosphomolybdic acid?

Ammonium dihydrogen phosphate?

Nickel(II) nitrate hexahydrate

Ethylene glycol monomethyl ether?

Diethylene glycol monoethyl ether?

Potassium standard solution for impurity

Sodium potassium tartrate?tetrahydrate

Diethyl ether?anhydrous

Iron(III) oxide?

Silicic acid?

Potassium thiosulfate hydrate

Acrylic acid?

Polyethylene glycol 1000?

Potassium metabisulfite

Sodium hydroxide?solution 49%

Oxalic acid?

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

Benzophenone

Hydrogen peroxide 30%

Amberlite 732

Thiamine chloride hydrochloride

Sodium silicate?nonahydrate

Charcoal activated granular

Zirconium oxychloride?octahydrate

Ethylenediaminetetraacetic acid ferric monosodium salt

Fluosilicic acid?23%-25%

Sodium hydroxide?solution 32%

p-Xylene?

Benzidine

Ammonium iron(III) sulfate?dodecahydrate

Magnesium turnings

Sodium hydrogen fluoride

Potassium permanganate

Zirconium nitrate

Magnesium ribbon?99.5%

2-Nitrophenol?

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?

Sodium tartrate?dihydrate

Benzenemethanaminium

Nitric acid 40%

Sodium metaborate hydrate

4-Nitrobenzoic acid?

Acrylamide

Sodium 1-octanesulfonate?

Benzene?

Cyclohexylamine

Orange II

Silicone oil H201-100

D-Glucose?

Zinc free from arsenic?

Dimethylglyoxime

Triethylenetetramine

Lithium sulfate?monohydrate

?Pyrogallol acid

Magnesium ribbon

Sodium heparin

Phenol red sodium salt

Potassium hexacyanoferrate(Ⅱ) trihydrate

Sodium ammonium hydrogen phosphate?

Phenolphthalein

Methyl red (C.I. 13020)

Triethylene glycol?

Triethyl phosphate?

Salicylamide

Diammonium hydrogen phosphate?

Potassium hexacyanoferrate(Ⅲ)

Nickel(II) acetate?

Nitroso R salt

di-Potassium hydrogen phosphate anhydrous

1,4-Dioxane?

Lymphocyte separation media?

Fluorescein?sodium

Manganese standard solution for impurity

Triethyl orthoformate

Sodium barbital?