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KN95 Respirator Mask, 4 layers, Box of 50 -LP-KN95-001BOX50
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Harley N95 NIOSH Certified Particulate Respirator Mask, Folder Style 20/Box - L-188
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Unlock precision and performance in high-tech applications with our premium selection of rare earth compounds. Ideal for use in advanced electronics, optics, magnets, and research, these compounds deliver consistent quality and traceability. Contact us at 888-4-LABPRO (888-452-2776) for competitive bulk pricing, with next-day service in California and same-day service for will-calls.
Chemicals & Reagents
Inorganic Compounds
8-Hydroxyquinoline Sulfate, 97%,100 G - 45011
$51.128-Hydroxyquinoline Sulfate, 97%,100 G - 45011Appearance - Yellow powder / solid, Assay (Acid-base titration) 96.5 - 103.5 %, H2O (KF) 5.0 % MaxCAS #:207386-91-2UN#:CHEMICAL NShip Name:8-HYDROXYQUINOLINE SULFATEFormula:C!9H!7NO.1/2H!2SO!4.1/2H!2O
8-Hydroxyquinoline, 99%, Reagent (Acs),25 G - 45006
$59.678-Hydroxyquinoline, 99%, Reagent (Acs),25 G - 45006Assay (GC-FID) 98.5 % - Min, Insoluble in alcohol (%) 0.05 % Max, Melting point (deg C) 74.0 C Max, Residue after ignition 0.05...
8-Hydroxyquinoline, 99%, Reagent (Acs),2.5 KG - 45003
$701.978-Hydroxyquinoline, 99%, Reagent (Acs),2.5 KG - 45003Assay (GC-FID) 98.5 % - Min, Insoluble in alcohol (%) 0.05 % Max, Melting point (deg C) 74.0 C Max, Residue after ignition 0.05...
8-Hydroxyquinoline, 99%, Reagent (Acs),500 G - 45002
$237.548-Hydroxyquinoline, 99%, Reagent (Acs),500 G - 45002Assay (GC-FID) 98.5 % - Min, Insoluble in alcohol (%) 0.05 % Max, Melting point (deg C) 74.0 C Max, Residue after ignition 0.05...
8-Hydroxyquinoline, 99%, Reagent (Acs),100 G - 45001
$103.298-Hydroxyquinoline, 99%, Reagent (Acs),100 G - 45001Assay (GC-FID) 98.5 % - Min, Insoluble in alcohol (%) 0.05 % Max, Melting point (deg C) 74.0 C Max, Residue after ignition 0.05...
Imidazole, Reagent (Acs),2.5 KG - 44953
$359.73Imidazole, Reagent (Acs),2.5 KG - 44953Assay 99 % - Min, Iron 0.001 % Max, pH of 5% solution 9.5 - 11.0 pH, Residue after ignition 0.1 % Max, Water 0.2...
Imidazole, Reagent (Acs),500 G - 44952
$106.26Imidazole, Reagent (Acs),500 G - 44952Assay 99 % - Min, Iron 0.001 % Max, pH of 5% solution 9.5 - 11.0 pH, Residue after ignition 0.1 % Max, Water 0.2...
Imidazole, Reagent (Acs),100 G - 44951
$37.11Imidazole, Reagent (Acs),100 G - 44951Assay 99 % - Min, Iron 0.001 % Max, pH of 5% solution 9.5 - 11.0 pH, Residue after ignition 0.1 % Max, Water 0.2...
8-Hydroxyquinaldine,100 G - 44903
$88.188-Hydroxyquinaldine,100 G - 44903Assay 98 % - Min, Melt Point (degC) 69 - 71 CCAS #:826-81-3UN#:CHEMICAL NShip Name:8-HYDROXYQUINALDINEFormula:C!9H!5N(OH)CH!3
Hydroxy Naphthol Blue, Reagent (Acs),5 KG - 44806
$2,334.84Hydroxy Naphthol Blue, Reagent (Acs),5 KG - 44806Suitability for calcium determinationCAS #:165660-27-5UN#:CHEMICAL NShip Name:HYDROXY NAPHTHOL BLUEFormula:C!2!0H!1!2N!2O!1!1S!3Na!2
Hydroxy Naphthol Blue, Reagent (Acs),500 G - 44803
$347.23Hydroxy Naphthol Blue, Reagent (Acs),500 G - 44803Suitability for calcium determinationCAS #:165660-27-5UN#:CHEMICAL NShip Name:HYDROXY NAPHTHOL BLUEFormula:C!2!0H!1!2N!2O!1!1S!3Na!2
Hydroxy Naphthol Blue, Reagent (Acs),100 G - 44802
$130.89Hydroxy Naphthol Blue, Reagent (Acs),100 G - 44802Suitability for calcium determinationCAS #:165660-27-5UN#:CHEMICAL NShip Name:HYDROXY NAPHTHOL BLUEFormula:C!2!0H!1!2N!2O!1!1S!3Na!2
Hydroxy Naphthol Blue, Reagent (Acs),25 G - 44801
$76.13Hydroxy Naphthol Blue, Reagent (Acs),25 G - 44801Suitability for calcium determinationCAS #:165660-27-5UN#:CHEMICAL NShip Name:HYDROXY NAPHTHOL BLUEFormula:C!2!0H!1!2N!2O!1!1S!3Na!2
4-Hydroxy-4-Methyl-2-Pentanone, 99%,4 X 4 L - 44784
$437.694-Hydroxy-4-Methyl-2-Pentanone, 99%,4 X 4 L - 44784Assay (GC-FID) 98.5 % - Min, Clarity / Form - Clear, liquid, Color - Colorless, Identification by GC/MS - ConformsCAS #:123-42-2UN#:UN1148Ship Name:DIACETONE ALCOHOL,Formula:(CH!3)!2C(OH)CH!2COCH!3
4-Hydroxy-4-Methyl-2-Pentanone, 99%,4 L - 44783
$119.284-Hydroxy-4-Methyl-2-Pentanone, 99%,4 L - 44783Assay (GC-FID) 98.5 % - Min, Clarity / Form - Clear, liquid, Color - Colorless, Identification by GC/MS - ConformsCAS #:123-42-2UN#:UN1148Ship Name:DIACETONE ALCOHOL,Formula:(CH!3)!2C(OH)CH!2COCH!3
4-Hydroxy-4-Methyl-2-Pentanone, 99%,500 ML - 44782
$63.244-Hydroxy-4-Methyl-2-Pentanone, 99%,500 ML - 44782Assay (GC-FID) 98.5 % - Min, Clarity / Form - Clear, liquid, Color - Colorless, Identification by GC/MS - ConformsCAS #:123-42-2UN#:UN1148Ship Name:DIACETONE ALCOHOL,Formula:(CH!3)!2C(OH)CH!2COCH!3
4-Hydroxy-4-Methyl-2-Pentanone, 99%,100 ML - 44781
$46.274-Hydroxy-4-Methyl-2-Pentanone, 99%,100 ML - 44781Assay (GC-FID) 98.5 % - Min, Clarity / Form - Clear, liquid, Color - Colorless, Identification by GC/MS - ConformsCAS #:123-42-2UN#:UN1148Ship Name:DIACETONE ALCOHOL,Formula:(CH!3)!2C(OH)CH!2COCH!3
7-Hydroxy-4-Methylcoumarin,25 G - 44753
$76.657-Hydroxy-4-Methylcoumarin,25 G - 44753Assay 97 % - MinCAS #:90-33-5UN#:CHEMICAL NShip Name:7-HYDROXY-4-METHYLCOUMARINFormula:C!1!0H!8O!3
7-Hydroxy-4-Methylcoumarin,500 G - 44752
$915.487-Hydroxy-4-Methylcoumarin,500 G - 44752Assay 97 % - MinCAS #:90-33-5UN#:CHEMICAL NShip Name:7-HYDROXY-4-METHYLCOUMARINFormula:C!1!0H!8O!3
7-Hydroxy-4-Methylcoumarin,100 G - 44751
$228.997-Hydroxy-4-Methylcoumarin,100 G - 44751Assay 97 % - MinCAS #:90-33-5UN#:CHEMICAL NShip Name:7-HYDROXY-4-METHYLCOUMARINFormula:C!1!0H!8O!3
Hydroxylammonium Sulfate, Reagent,2.5 KG - 44703
$296.04Hydroxylammonium Sulfate, Reagent,2.5 KG - 44703Acidity, Ammonium 0.1 % Max, Assay 96.0 % - Min, Chloride 0.01 % Max, Heavy metals (as Pb) 0.001 % Max, Insoluble, Iron 0.001 %...
Hydroxylammonium Sulfate, Reagent,500 G - 44702
$102.46Hydroxylammonium Sulfate, Reagent,500 G - 44702Acidity, Ammonium 0.1 % Max, Assay 96.0 % - Min, Chloride 0.01 % Max, Heavy metals (as Pb) 0.001 % Max, Insoluble, Iron 0.001 %...
Hydroxylammonium Sulfate, Reagent,100 G - 44701
$49.59Hydroxylammonium Sulfate, Reagent,100 G - 44701Acidity, Ammonium 0.1 % Max, Assay 96.0 % - Min, Chloride 0.01 % Max, Heavy metals (as Pb) 0.001 % Max, Insoluble, Iron 0.001 %...
Hydroxylammonium Chloride, Reagent (Acs),2.5 KG - 44603
$501.76Hydroxylammonium Chloride, Reagent (Acs),2.5 KG - 44603Ammonium, Assay 96.0 % - Min, Clarity of alcohol solution, Heavy Metals (by ICP-OES) 0.0005 % Max, Iron 0.0005 % Max, Residue after ignition...
Hydroxylammonium Chloride, Reagent (Acs),500 G - 44602
$132.58Hydroxylammonium Chloride, Reagent (Acs),500 G - 44602Ammonium, Assay 96.0 % - Min, Clarity of alcohol solution, Heavy Metals (by ICP-OES) 0.0005 % Max, Iron 0.0005 % Max, Residue after ignition...
Hydroxylammonium Chloride, Reagent (Acs),100 G - 44601
$51.43Hydroxylammonium Chloride, Reagent (Acs),100 G - 44601Ammonium, Assay 96.0 % - Min, Clarity of alcohol solution, Heavy Metals (by ICP-OES) 0.0005 % Max, Iron 0.0005 % Max, Residue after ignition...
2-Hydroxy-1-(2-Hydroxy-4-Sulfo-1-Naphthylazo-3-Naphthoic Acid),25 G - 44403
$251.732-Hydroxy-1-(2-Hydroxy-4-Sulfo-1-Naphthylazo-3-Naphthoic Acid),25 G - 44403Appearance: Purple/Black Crystals, Solubility (Color) Blue to Dark Blue, Suitability as indicatorCAS #:3737-95-9UN#:CHEMICAL NShip Name:HHSNNAFormula:C!1!0H!5(OH)(SO!3H)N=NC!1!0H!5(OH)(COOH)
2-Hydroxy-1-(2-Hydroxy-4-Sulfo-1-Naphthylazo-3-Naphthoic Acid),5 G - 44402
$67.852-Hydroxy-1-(2-Hydroxy-4-Sulfo-1-Naphthylazo-3-Naphthoic Acid),5 G - 44402Appearance: Purple/Black Crystals, Solubility (Color) Blue to Dark Blue, Suitability as indicatorCAS #:3737-95-9UN#:CHEMICAL NShip Name:HHSNNAFormula:C!1!0H!5(OH)(SO!3H)N=NC!1!0H!5(OH)(COOH)
Hydroxyethylethylenediaminetriacetic Acid, Trisodium Salt, Reagent,2.5 KG - 44242
$171.84Hydroxyethylethylenediaminetriacetic Acid, Trisodium Salt, Reagent,2.5 KG - 44242Assay (excluding water) (%) 98 % - Min, Insoluble 0.01 % Max, Water (KF titration) typically (%) 10 - 12 %CAS #:139-89-9UN#:CHEMICAL NShip...
Hydroxyethylethylenediaminetriacetic Acid, Trisodium Salt, Reagent,500 G - 44241
$65.30Hydroxyethylethylenediaminetriacetic Acid, Trisodium Salt, Reagent,500 G - 44241Assay (excluding water) (%) 98 % - Min, Insoluble 0.01 % Max, Water (KF titration) typically (%) 10 - 12 %CAS #:139-89-9UN#:CHEMICAL NShip...
Hydroquinone, 99%,2.5 KG - 44002
$227.18Hydroquinone, 99%,2.5 KG - 44002Assay (GC-FID) 98.5 % - Min, Color - White, Form - Crystal / Powder, Identification by GC/MS - ConformsCAS #:123-31-9UN#:UN3077Ship Name:ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.Formula:C!6H!4(OH)!2
Hydroquinone, 99%,500 G - 44001
$68.78Hydroquinone, 99%,500 G - 44001Assay (GC-FID) 98.5 % - Min, Color - White, Form - Crystal / Powder, Identification by GC/MS - ConformsCAS #:123-31-9UN#:UN3077Ship Name:ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.Formula:C!6H!4(OH)!2
Hydroxylammonium Chloride, Reagent (Acs), Low Mercury,2.5 KG - 44653
$660.11Hydroxylammonium Chloride, Reagent (Acs), Low Mercury,2.5 KG - 44653Ammonium, Assay 96 % - Min, Clarity of alcohol solution, Heavy Metals (by ICP-OES) 0.0005 % Max, Iron 0.0005 % Max, Mercury...
Hydroxylammonium Chloride, Reagent (Acs), Low Mercury,500 G - 44652
$178.11Hydroxylammonium Chloride, Reagent (Acs), Low Mercury,500 G - 44652Ammonium, Assay 96 % - Min, Clarity of alcohol solution, Heavy Metals (by ICP-OES) 0.0005 % Max, Iron 0.0005 % Max, Mercury...
Hydroxylammonium Chloride, Reagent (Acs), Low Mercury,100 G - 44651
$58.12Hydroxylammonium Chloride, Reagent (Acs), Low Mercury,100 G - 44651Ammonium, Assay 96 % - Min, Clarity of alcohol solution, Heavy Metals (by ICP-OES) 0.0005 % Max, Iron 0.0005 % Max, Mercury...
Hydroxylammonium Chloride Solution, 10% Aqueous,4 L - 44623
$130.80Hydroxylammonium Chloride Solution, 10% Aqueous,4 L - 44623Concentration 9 - 11 %, Copper, IronCAS #:5470-11-1UN#:UN1760Ship Name:CORROSIVE LIQUIDS, N.O.S.Formula:NH!2OH.HCl
Hydroxylammonium Chloride Solution, 10% Aqueous,2.5 L - 44622
$93.68Hydroxylammonium Chloride Solution, 10% Aqueous,2.5 L - 44622Concentration 9 - 11 %, Copper, IronCAS #:5470-11-1UN#:UN1760Ship Name:CORROSIVE LIQUIDS, N.O.S.Formula:NH!2OH.HCl
Hydroxylammonium Chloride Solution, 10% Aqueous,500 ML - 44621
$52.05Hydroxylammonium Chloride Solution, 10% Aqueous,500 ML - 44621Concentration 9 - 11 %, Copper, IronCAS #:5470-11-1UN#:UN1760Ship Name:CORROSIVE LIQUIDS, N.O.S.Formula:NH!2OH.HCl
Tetramethylammonium Hydroxide, Solution, 25% In Methanol,4 L - 73013
$716.32Tetramethylammonium Hydroxide, Solution, 25% In Methanol,4 L - 73013Concentration (w/w) (%) 24 - 26 %, Halides (as Cl) (%) 1.0 % Max, Water - ReportCAS #:75-59-2UN#:UN2920Ship Name:CORROSIVE LIQUIDS, FLAMMABLE, N.O.S.Formula:(CH!3)!4NOH
Tetramethylammonium Hydroxide, Solution, 25% In Methanol,500 ML - 73012
$123.64Tetramethylammonium Hydroxide, Solution, 25% In Methanol,500 ML - 73012Concentration (w/w) (%) 24 - 26 %, Halides (as Cl) (%) 1.0 % Max, Water - ReportCAS #:75-59-2UN#:UN2920Ship Name:CORROSIVE LIQUIDS, FLAMMABLE, N.O.S.Formula:(CH!3)!4NOH
Iodic Acid, Reagent (Acs),2.5 KG - 45403
$1,675.84Iodic Acid, Reagent (Acs),2.5 KG - 45403Assay 99.5 % - Min, Chloride and bromide (as Cl) 0.02 % Max, Heavy metals (Pb) 0.001 % Max, Insoluble 0.01 % Max, Iodide...
Iodic Acid, Reagent (Acs),500 G - 45402
$604.72Iodic Acid, Reagent (Acs),500 G - 45402Assay 99.5 % - Min, Chloride and bromide (as Cl) 0.02 % Max, Heavy metals (Pb) 0.001 % Max, Insoluble 0.01 % Max, Iodide...
Iodic Acid, Reagent (Acs),100 G - 45401
$138.07Iodic Acid, Reagent (Acs),100 G - 45401Assay 99.5 % - Min, Chloride and bromide (as Cl) 0.02 % Max, Heavy metals (Pb) 0.001 % Max, Insoluble 0.01 % Max, Iodide...
Benzofuroxan, 98%,500 G - 15283
$625.01Benzofuroxan, 98%,500 G - 15283Appearance - Yellow powder/solid, Assay (GC-FID) 97.5 % - Min, Identification by GC/MS - ConformsCAS #:480-96-6UN#:CHEMICAL NShip Name:BENZOFUROXANFormula:C!6H!4N!2O!2
