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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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Lab Pro Mask KN95 (K-N95) Pack of 50 - LP-MASK2-K95 - 40% OFF
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Lab Pro 3ply Earloop Disposable Mask (Non-Surgical) (Box of 50) - 84% OFF
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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
Arsenic, 99%, Granules,25 G - 13921
$65.69Arsenic, 99%, Granules,25 G - 13921Ag (ppm), Al (ppm), As (ppm), Assay (metals basis), Au (ppm), B (ppm), Ba (ppm), Be (ppm), Bi (ppm), Ca (ppm), Cd (ppm), Co (ppm),...
Watermark Karl Fischer Coulometric Generator Solution, Universal,10 X 5 ML - 99713
$87.23Watermark Karl Fischer Coulometric Generator Solution, Universal,10 X 5 ML - 99713Moisture (ppm) 50 ppm Max, SuitabilityCAS #:UN#:UN1188Ship Name:ETHYLENE GLYCOL MONOMETHYL ETHER, MIXTURE,Formula:
Magnesium Nitrate, Hexahydrate, Reagent (Acs),500 G - 48951
$55.67Magnesium Nitrate, Hexahydrate, Reagent (Acs),500 G - 48951Ammonium 0.003 % Max, Assay 98.0 - 102.0 %, Barium 0.005 % Max, Calcium 0.01 % Max, Chloride 0.001 % Max, Heavy Metals...
Barium Carbonate, Reagent (Acs),2.5 KG - 14152
$263.32Barium Carbonate, Reagent (Acs),2.5 KG - 14152Assay 99.0 - 101.0 %, Calcium 0.05 % Max, Chloride 0.002 % Max, Heavy metals (as Pb) 0.001 % Max, Insoluble in dil. HCl...
Ammonium Sulfide, 20% Aqueous Solution, Reagent (Acs),100 ML - 13321
$57.53Ammonium Sulfide, 20% Aqueous Solution, Reagent (Acs),100 ML - 13321Carbonate (%) 0.005 % Max, Chloride 0.005 % Max, Concentration 20.0 - 24.0 %, Residue after ignition 0.04 % MaxCAS #:12135-76-1UN#:UN2683Ship...
Watermark Karl Fischer Coulometric Vessel Solution, Pyridine-Free,6 X 500 ML - 99927
$566.01Watermark Karl Fischer Coulometric Vessel Solution, Pyridine-Free,6 X 500 ML - 99927Capacity, SuitabilityCAS #:UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:
Watermark Karl Fischer Coulometric Vessel Solution, Pyridine-Free,500 ML - 99926
$102.73Watermark Karl Fischer Coulometric Vessel Solution, Pyridine-Free,500 ML - 99926Capacity, SuitabilityCAS #:UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:
Watermark Karl Fischer Coulometric Vessel Solution, Pyridine-Based,6 X 1 L - 99922
$1,318.49Watermark Karl Fischer Coulometric Vessel Solution, Pyridine-Based,6 X 1 L - 99922Capacity, SuitabilityCAS #:UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:
Watermark Karl Fischer Coulometric Vessel Solution, Pyridine-Based,1 L - 99921
$244.29Watermark Karl Fischer Coulometric Vessel Solution, Pyridine-Based,1 L - 99921Capacity, SuitabilityCAS #:UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:
Watermark Karl Fischer Diluent,4 X 4 L - 99915
$1,018.22Watermark Karl Fischer Diluent,4 X 4 L - 99915Water content (ppm) 200 ppm MaxCAS #:UN#:UN1188Ship Name:ETHYLENE GLYCOL MONOMETHYL ETHER,Formula:
Watermark Karl Fischer Reagent, 5 Mg/Ml, Stabilized, Pyridine-Based,4 X 4 L - 99906
$1,572.03Watermark Karl Fischer Reagent, 5 Mg/Ml, Stabilized, Pyridine-Based,4 X 4 L - 99906Suitability, Titer strength (mg/mL) 5.0 - 6.0 mg/mLCAS #:UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:
Watermark Karl Fischer Reagent, 5 Mg/Ml, Stabilized, Pyridine-Based,6 X 1 L - 99904
$808.40Watermark Karl Fischer Reagent, 5 Mg/Ml, Stabilized, Pyridine-Based,6 X 1 L - 99904Suitability, Titer strength (mg/mL) 5.0 - 6.0 mg/mLCAS #:UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:
Watermark Karl Fischer Reagent, 5 Mg/Ml, Stabilized, Pyridine-Based,1 L - 99903
$158.51Watermark Karl Fischer Reagent, 5 Mg/Ml, Stabilized, Pyridine-Based,1 L - 99903Suitability, Titer strength (mg/mL) 5.0 - 6.0 mg/mLCAS #:UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:
Watermark Karl Fischer Solvent, Methanol-Free,2.5 L - 99723
$201.46Watermark Karl Fischer Solvent, Methanol-Free,2.5 L - 99723Sensitivity, SuitabilityCAS #:UN#:UN1188Ship Name:ETHYLENE GLYCOL MONOMETHYL ETHER SOLUTION,Formula:
Watermark Karl Fischer Coulometric Generator Solution, Universal,6 X 125 ML - 99712
$430.30Watermark Karl Fischer Coulometric Generator Solution, Universal,6 X 125 ML - 99712Moisture (ppm) 50 ppm Max, SuitabilityCAS #:UN#:UN1188Ship Name:ETHYLENE GLYCOL MONOMETHYL ETHER, MIXTURE,Formula:
Watermark Karl Fischer Titrant, Stable, 1 Mg/Ml, Non-Hygroscopic,6 X 1 L - 99646
$436.85Watermark Karl Fischer Titrant, Stable, 1 Mg/Ml, Non-Hygroscopic,6 X 1 L - 99646Titer strength (mg/ml) 0.95 - 1.05 mg/mlCAS #:UN#:UN1307Ship Name:XYLENES SOLUTION,Formula:
Watermark Karl Fischer Titrant, Stable, 1 Mg/Ml, Non-Hygroscopic,500 ML - 99642
$48.13Watermark Karl Fischer Titrant, Stable, 1 Mg/Ml, Non-Hygroscopic,500 ML - 99642Titer strength (mg/ml) 0.95 - 1.05 mg/mlCAS #:UN#:UN1307Ship Name:XYLENES SOLUTION,Formula:
Watermark Karl Fischer Titrant, Stable, 1 Mg/Ml, Non-Hygroscopic,1 L - 99641
$84.40Watermark Karl Fischer Titrant, Stable, 1 Mg/Ml, Non-Hygroscopic,1 L - 99641Titer strength (mg/ml) 0.95 - 1.05 mg/mlCAS #:UN#:UN1307Ship Name:XYLENES SOLUTION,Formula:
Watermark Karl Fischer Reagent, Pyridine-Free Single Solution, 2 Mg/Ml,4 L - 99627
$378.36Watermark Karl Fischer Reagent, Pyridine-Free Single Solution, 2 Mg/Ml,4 L - 99627Suitability, Titer Strength (when bottled) (mg/ml) 1.7 - 2.4 mg/mLCAS #:UN#:UN1188Ship Name:ETHYLENE GLYCOL MONOMETHYL ETHER, MIXTURE,Formula:
Watermark Karl Fischer Reagent, Pyridine-Free Single Solution, 2 Mg/Ml,6 X 1 L - 99624
$617.04Watermark Karl Fischer Reagent, Pyridine-Free Single Solution, 2 Mg/Ml,6 X 1 L - 99624Suitability, Titer Strength (when bottled) (mg/ml) 1.7 - 2.4 mg/mLCAS #:UN#:UN1188Ship Name:ETHYLENE GLYCOL MONOMETHYL ETHER, MIXTURE,Formula:
Amberchrom 50wx8 200-400 H, Cation-Exchange Resin,100 G - 88801
$116.44Amberchrom 50wx8 200-400 H, Cation-Exchange Resin,100 G - 88801Particle size: on 100 mesh (%) 15 % Max, Particle size: thru 325 mesh (%) 15 % Max, Water retention capacity, H...
Amberchrom 50wx8 100-200 H, Cation-Exchange Resin,1 KG - 88793
$661.95Amberchrom 50wx8 100-200 H, Cation-Exchange Resin,1 KG - 88793Particle size: on 60 mesh (%) 15 % Max, Particle size: thru 170 mesh (%) 15 % Max, Water retention capacity, H...
Amberchrom 50wx8 100-200 H, Cation-Exchange Resin,500 G - 88792
$407.43Amberchrom 50wx8 100-200 H, Cation-Exchange Resin,500 G - 88792Particle size: on 60 mesh (%) 15 % Max, Particle size: thru 170 mesh (%) 15 % Max, Water retention capacity, H...
Amberchrom 50wx8 100-200 H, Cation-Exchange Resin,100 G - 88791
$126.28Amberchrom 50wx8 100-200 H, Cation-Exchange Resin,100 G - 88791Particle size: on 60 mesh (%) 15 % Max, Particle size: thru 170 mesh (%) 15 % Max, Water retention capacity, H...
Amberchrom 50wx8 200-400 H, Cation-Exchange Resin,1 KG - 88783
$661.95Amberchrom 50wx8 200-400 H, Cation-Exchange Resin,1 KG - 88783Particle size on 35 mesh (%) 15 % Max, Particle size through 80 mesh (%) 15 % Max, Water retention capacity, H...
Amberchrom 50wx8 200-400 H, Cation-Exchange Resin,500 G - 88782
$407.43Amberchrom 50wx8 200-400 H, Cation-Exchange Resin,500 G - 88782Particle size on 35 mesh (%) 15 % Max, Particle size through 80 mesh (%) 15 % Max, Water retention capacity, H...
Amberchrom 50wx8 200-400 H, Cation-Exchange Resin,100 G - 88781
$116.44Amberchrom 50wx8 200-400 H, Cation-Exchange Resin,100 G - 88781Particle size on 35 mesh (%) 15 % Max, Particle size through 80 mesh (%) 15 % Max, Water retention capacity, H...
Amberlyst?19, Cation-Exchange Resin,1 KG - 88773
$190.18Amberlyst?19, Cation-Exchange Resin,1 KG - 88773Particle Size < 40 mesh (%) 1 % Max, Particle Size > 16 mesh (%) 2 % MaxCAS #:UN#:CHEMICAL NShip Name:DOWEX HCR-W2 RESINFormula:
Amberchrom 50wx2 100-200 H, Cation-Exchange Resin,100 G - 88731
$137.00Amberchrom 50wx2 100-200 H, Cation-Exchange Resin,100 G - 88731Particle size: on 35 mesh (%) 15 % Max, Particle size: thru 140 mesh (%) 15 % Max, Water retention capacity, H...
Diphenylacetylene, 98%,5 G - 81003
$31.19Diphenylacetylene, 98%,5 G - 81003Appearance - White to yellow crystal/solid, Assay (GC-FID) 97.5 % - Min, Identification by GC/MS - ConformsCAS #:501-65-5UN#:Ship Name:Formula:C!6H!5C#CC!6H!5
Diphenylacetylene, 98%,25 G - 81001
$103.53Diphenylacetylene, 98%,25 G - 81001Appearance - White to yellow crystal/solid, Assay (GC-FID) 97.5 % - Min, Identification by GC/MS - ConformsCAS #:501-65-5UN#:Ship Name:Formula:C!6H!5C#CC!6H!5
1,6-Diphenoxy-2,4-Hexadiyne, 98%,10 G - 80991
$71.081,6-Diphenoxy-2,4-Hexadiyne, 98%,10 G - 80991Appearance - White to orange crystal/powder, Assay (HPLC - Area % at 254 nm) (%) 97.5 % - MinCAS #:30980-37-1UN#:CHEMICAL NShip Name:1,6-DIPHENOXY-2,4-HEXADIYNEFormula:C!6H!5OCH!2C#CC#CCH!2OC!6H!5
2,7-Dimethyl-3,5-Octadiyn-2,7-Diol, 96%,25 G - 80982
$2,928.552,7-Dimethyl-3,5-Octadiyn-2,7-Diol, 96%,25 G - 80982Assay (GC-FID) 95.0 % - Min, Color - White to off-white, Form - Crystal or powder, Identification by GC/MS - ConformsCAS #:5929-72-6UN#:CHEMICAL NShip Name:2,7-DIMETHYL-3,5-OCTADIYN-Formula:[-C#CC(CH!3)!2OH]!2
2,7-Dimethyl-3,5-Octadiyn-2,7-Diol, 96%,5 G - 80981
$991.572,7-Dimethyl-3,5-Octadiyn-2,7-Diol, 96%,5 G - 80981Assay (GC-FID) 95.0 % - Min, Color - White to off-white, Form - Crystal or powder, Identification by GC/MS - ConformsCAS #:5929-72-6UN#:CHEMICAL NShip Name:2,7-DIMETHYL-3,5-OCTADIYN-Formula:[-C#CC(CH!3)!2OH]!2
2,5-Dimethyl-3-Hexyn-2,5-Diol, 98%,500 G - 80962
$226.662,5-Dimethyl-3-Hexyn-2,5-Diol, 98%,500 G - 80962Assay 98 % - Min, Melting Point (C) 90 - 94 CCAS #:142-30-3UN#:Ship Name:Formula:(CH!3)!2C(OH)C#CC(OH)(CH!3)!2
2,5-Dimethyl-3-Hexyn-2,5-Diol, 98%,100 G - 80961
$77.942,5-Dimethyl-3-Hexyn-2,5-Diol, 98%,100 G - 80961Assay 98 % - Min, Melting Point (C) 90 - 94 CCAS #:142-30-3UN#:Ship Name:Formula:(CH!3)!2C(OH)C#CC(OH)(CH!3)!2
3,3-Dimethyl-1-Butyne, 97%,10 G - 80951
$119.763,3-Dimethyl-1-Butyne, 97%,10 G - 80951Assay (GC-FID) 96.5 % - Min, Clarity / Form - Clear, liquid, Color - Colorless, Identification by GC/MS - ConformsCAS #:917-92-0UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:(CH!3)!3CC#CH
1-Dimethylamino-3-(Trimethylsilyl)-2-Propyne, 98%,10 G - 80941
$207.071-Dimethylamino-3-(Trimethylsilyl)-2-Propyne, 98%,10 G - 80941Assay (GC-FID) 97.5 % - Min, Clarity / Form - Clear, liquid, Color - Colorless to amber, Identification by GC/MS - ConformsCAS #:56849-88-8UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:(CH!3)!3SiC#CCH!2N(CH!3)!2
3-Dimethylamino-1-Propyne, 98%,25 G - 80931
$138.483-Dimethylamino-1-Propyne, 98%,25 G - 80931Assay (GC-FID) 97.5 % - Min, Clarity / Form - Clear, liquid, Color (APHA) 150 Max, H2O (KF) 1.0 % Max, Identification by GC/MS, ConformsCAS #:7223-38-3UN#:UN2733Ship...
1-Dimethylamino-2-Pentyne, 98%,25 G - 80921
$854.361-Dimethylamino-2-Pentyne, 98%,25 G - 80921Assay 98 % - MinCAS #:7383-77-9UN#:UN1993Ship Name:FLAMMABLE LIQUIDS, N.O.S.Formula:CH!3CH!2C#CCH!2N(CH!3)!2
5-Dimethylamino-2-Methyl-3-Pentyn-2-Ol, 98%,25 G - 80911
$841.895-Dimethylamino-2-Methyl-3-Pentyn-2-Ol, 98%,25 G - 80911Assay (GC-FID) 97.5 % - Min, Clarity / Form - Clear, liquid, Color - Colorless to yellow, Identification by GC/MS - ConformsCAS #:25400-83-3UN#:Ship Name:Formula:(CH!3)!2NCH!2C#CC(OH)(CH!3)!2
3-Diethylamino-1-Propyne, 98%,5 G - 80862
$139.693-Diethylamino-1-Propyne, 98%,5 G - 80862App - Clear, colorless to yellow liquid, Assay (GC-FID) 97.5 % - Min, Identification by GC/MS - ConformsCAS #:4079-68-9UN#:UN2733Ship Name:AMINES, FLAMMABLE, CORROSIVE, N.O.S.Formula:HC#CCH!2N(C!2H!5)!2
3-Diethylamino-1-Propyne, 98%,25 G - 80861
$613.633-Diethylamino-1-Propyne, 98%,25 G - 80861App - Clear, colorless to yellow liquid, Assay (GC-FID) 97.5 % - Min, Identification by GC/MS - ConformsCAS #:4079-68-9UN#:UN2733Ship Name:AMINES, FLAMMABLE, CORROSIVE, N.O.S.Formula:HC#CCH!2N(C!2H!5)!2
4-Diethylamino-2-Butyn-1-Ol, 98%,10 G - 80851
$147.194-Diethylamino-2-Butyn-1-Ol, 98%,10 G - 80851Assay 98 % - MinCAS #:10575-25-4UN#:UN3082Ship Name:ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S.Formula:(C!2H!5)!2NCH!2C#CCH!2OH
