Lab Supplies » Lab Chemicals


Copper Sulfate Pentahydrate - 25.2% Cu 5 Pound
Copper Sulfate Pentahydrate - 25.2% Cu 5 Pound
$18.00
Copper Sulfate Pentahydrate - 25.2% Cu 5 Pound
Copper Sulfate Pentahydrate - 25.2% Cu 1 Pound
Copper Sulfate Pentahydrate - 25.2% Cu 1 Pound
$4.45
Copper Sulfate Pentahydrate - 25.2% Cu 1 Pound
1 lbs. Copper Sulfate Powder - 99%
1 lbs. Copper Sulfate Powder - 99%
$4.99
1 lbs. Copper Sulfate Powder - 99%
4x500ml Amresco TE Buffer PH8.0, Sterilized, E112-500ml
4x500ml Amresco TE Buffer PH8.0, Sterilized, E112-500ml
$60.00
4x500ml Amresco TE Buffer PH8.0, Sterilized, E112-500ml
2kg Enhanced Bacterial Growth Broth,  MacConell Research
2kg Enhanced Bacterial Growth Broth, MacConell Research
$99.00
2kg Enhanced Bacterial Growth Broth, MacConell Research
100 grams pure grade iodine 99, 9 %
100 grams pure grade iodine 99, 9 %
$80.00
100 grams pure grade iodine 99, 9 %
  2 16oz Bottles of DMSO %99.9 Pure Dimethyl Sulfoxide
2 16oz Bottles of DMSO %99.9 Pure Dimethyl Sulfoxide
$12.00
2 16oz Bottles of DMSO %99.9 Pure Dimethyl Sulfoxide
Low Temp 158F Alloy 50 Grams Lab Grade 99.98%
Low Temp 158F Alloy 50 Grams Lab Grade 99.98%
$8.00
Low Temp 158F Alloy 50 Grams Lab Grade 99.98%
Copper Sulfate Pentahydrate - 25.2% Cu - 10 Pounds
Copper Sulfate Pentahydrate - 25.2% Cu - 10 Pounds
$35.00
Copper Sulfate Pentahydrate - 25.2% Cu - 10 Pounds
Copper Sulfate Pentahydrate - 25.2% Cu - 5 Pounds
Copper Sulfate Pentahydrate - 25.2% Cu - 5 Pounds
$18.50
Copper Sulfate Pentahydrate - 25.2% Cu - 5 Pounds
Copper Sulfate Pentahydrate - 25.2% Cu - 2 Pound
Copper Sulfate Pentahydrate - 25.2% Cu - 2 Pound
$8.00
Copper Sulfate Pentahydrate - 25.2% Cu - 2 Pound
Copper Sulfate Pentahydrate - 25.2% Cu - 1 Pound
Copper Sulfate Pentahydrate - 25.2% Cu - 1 Pound
$4.50
Copper Sulfate Pentahydrate - 25.2% Cu - 1 Pound
10 lb Black Copper Oxide (Cupric Oxide)  - CuO
10 lb Black Copper Oxide (Cupric Oxide) - CuO
$55.00
10 lb Black Copper Oxide (Cupric Oxide) - CuO
5 lb Black Copper Oxide (Cupric Oxide)  - CuO
5 lb Black Copper Oxide (Cupric Oxide) - CuO
$30.00
5 lb Black Copper Oxide (Cupric Oxide) - CuO
3 lb Black Copper Oxide (Cupric Oxide)  - CuO
3 lb Black Copper Oxide (Cupric Oxide) - CuO
$19.00
3 lb Black Copper Oxide (Cupric Oxide) - CuO
1 lb Black Copper Oxide (Cupric Oxide)  - CuO
1 lb Black Copper Oxide (Cupric Oxide) - CuO
$7.00
1 lb Black Copper Oxide (Cupric Oxide) - CuO
1 2 lb Black Copper Oxide (Cupric Oxide)  - CuO
1 2 lb Black Copper Oxide (Cupric Oxide) - CuO
$5.00
1 2 lb Black Copper Oxide (Cupric Oxide) - CuO
30 lb Black Iron Oxide  - Fe3O4 - Used in thermite
30 lb Black Iron Oxide - Fe3O4 - Used in thermite
$40.00
30 lb Black Iron Oxide - Fe3O4 - Used in thermite
20 lb Black Iron Oxide  - Fe3O4 - Used in thermite
20 lb Black Iron Oxide - Fe3O4 - Used in thermite
$28.00
20 lb Black Iron Oxide - Fe3O4 - Used in thermite
10 lb Black Iron Oxide  - Fe3O4 - Used in thermite
10 lb Black Iron Oxide - Fe3O4 - Used in thermite
$15.00
10 lb Black Iron Oxide - Fe3O4 - Used in thermite
5 lb Black Iron Oxide  - Fe3O4 - Used in Thermite
5 lb Black Iron Oxide - Fe3O4 - Used in Thermite
$8.00
5 lb Black Iron Oxide - Fe3O4 - Used in Thermite
2 lb Black Iron Oxide  - Fe3O4 - Used in thermite
2 lb Black Iron Oxide - Fe3O4 - Used in thermite
$4.50
2 lb Black Iron Oxide - Fe3O4 - Used in thermite
1 lb Black Iron Oxide  - Fe3O4 - Used in thermite
1 lb Black Iron Oxide - Fe3O4 - Used in thermite
$3.00
1 lb Black Iron Oxide - Fe3O4 - Used in thermite
Cobalt Carbonate  - 46% Co - 1 Pound
Cobalt Carbonate - 46% Co - 1 Pound
$35.00
Cobalt Carbonate - 46% Co - 1 Pound
Cobalt Carbonate  - 46% Co -  1 2 Pound
Cobalt Carbonate - 46% Co - 1 2 Pound
$18.00
Cobalt Carbonate - 46% Co - 1 2 Pound
Cobalt Carbonate  - 46% Co -  2 Ounces
Cobalt Carbonate - 46% Co - 2 Ounces
$5.00
Cobalt Carbonate - 46% Co - 2 Ounces
Ammonium Chloride 99% to 99.5% -- One Pound
Ammonium Chloride 99% to 99.5% -- One Pound
$2.50
Ammonium Chloride 99% to 99.5% -- One Pound
DMSO 99.9% PURE DIMETHYL SULFOXIDE 2 BOTTLE SPECIAL!
DMSO 99.9% PURE DIMETHYL SULFOXIDE 2 BOTTLE SPECIAL!
$19.00
DMSO 99.9% PURE DIMETHYL SULFOXIDE 2 BOTTLE SPECIAL!
DMSO 99.9% DIMETHYL SULFOXIDE
DMSO 99.9% DIMETHYL SULFOXIDE
$9.99
DMSO 99.9% DIMETHYL SULFOXIDE
250  grams pure grade iodine 99, 9 %
250 grams pure grade iodine 99, 9 %
$170.00
250 grams pure grade iodine 99, 9 %
ZINC SULFATE 5 Pounds Lab Ceramic Chemical 100% USP
ZINC SULFATE 5 Pounds Lab Ceramic Chemical 100% USP
$28.99
ZINC SULFATE 5 Pounds Lab Ceramic Chemical 100% USP
ZINC OXIDE white 1 Pound 99% Lab Ceramic Chemical
ZINC OXIDE white 1 Pound 99% Lab Ceramic Chemical
$5.99
ZINC OXIDE white 1 Pound 99% Lab Ceramic Chemical
UREA 5 Pound Lab Ceramic Chemical 99% Gold Refining
UREA 5 Pound Lab Ceramic Chemical 99% Gold Refining
$14.99
UREA 5 Pound Lab Ceramic Chemical 99% Gold Refining
UREA 1 Pound Lab Ceramic Chemical 99% Gold Refining
UREA 1 Pound Lab Ceramic Chemical 99% Gold Refining
$3.99
UREA 1 Pound Lab Ceramic Chemical 99% Gold Refining
STRONTIUM CARBONATE 3 Pounds Lab Ceramic Chemical
STRONTIUM CARBONATE 3 Pounds Lab Ceramic Chemical
$12.99
STRONTIUM CARBONATE 3 Pounds Lab Ceramic Chemical
SODIUM SILICATE solution 16 ounces Lab Ceramic Chemical
SODIUM SILICATE solution 16 ounces Lab Ceramic Chemical
$5.99
SODIUM SILICATE solution 16 ounces Lab Ceramic Chemical
POTASSIUM CHLORIDE 5 Pounds 99% Lab Chemical Reagent
POTASSIUM CHLORIDE 5 Pounds 99% Lab Chemical Reagent
$14.99
POTASSIUM CHLORIDE 5 Pounds 99% Lab Chemical Reagent
MANGANESE DIOXIDE 5 Pounds 99% Lab Ceramic Chemical
MANGANESE DIOXIDE 5 Pounds 99% Lab Ceramic Chemical
$14.99
MANGANESE DIOXIDE 5 Pounds 99% Lab Ceramic Chemical
IRON OXIDE RED 30 lb Pound Lab Ceramic Chemical Fe2O3
IRON OXIDE RED 30 lb Pound Lab Ceramic Chemical Fe2O3
$39.99
IRON OXIDE RED 30 lb Pound Lab Ceramic Chemical Fe2O3
IRON OXIDE RED 10 lb Pounds Lab Ceramic Chemical Fe2O3
IRON OXIDE RED 10 lb Pounds Lab Ceramic Chemical Fe2O3
$14.99
IRON OXIDE RED 10 lb Pounds Lab Ceramic Chemical Fe2O3
IRON OXIDE Bright Yellow 3 Pounds Lab Ceramic Chemical
IRON OXIDE Bright Yellow 3 Pounds Lab Ceramic Chemical
$8.99
IRON OXIDE Bright Yellow 3 Pounds Lab Ceramic Chemical
IRON OXIDE Bright Yellow 1 Pound Lab Ceramic Chemical
IRON OXIDE Bright Yellow 1 Pound Lab Ceramic Chemical
$4.99
IRON OXIDE Bright Yellow 1 Pound Lab Ceramic Chemical
COPPER cupric OXIDE 1 Pound Lab Ceramic Chemical
COPPER cupric OXIDE 1 Pound Lab Ceramic Chemical
$7.99
COPPER cupric OXIDE 1 Pound Lab Ceramic Chemical
COPPER cupric CARBONATE 1 Pound Lab Ceramic Chemical
COPPER cupric CARBONATE 1 Pound Lab Ceramic Chemical
$9.99
COPPER cupric CARBONATE 1 Pound Lab Ceramic Chemical
COBALT CARBONATE 2 Ounces Lab Ceramic Chemical
COBALT CARBONATE 2 Ounces Lab Ceramic Chemical
$5.99
COBALT CARBONATE 2 Ounces Lab Ceramic Chemical
BORIC ACID 5 Pounds Lab Ceramic Chemical 99.9% pure
BORIC ACID 5 Pounds Lab Ceramic Chemical 99.9% pure
$12.99
BORIC ACID 5 Pounds Lab Ceramic Chemical 99.9% pure
BONE ASH 5 Pound Lab Ceramic Chemical CALCIUM PHOSPHATE
BONE ASH 5 Pound Lab Ceramic Chemical CALCIUM PHOSPHATE
$16.99
BONE ASH 5 Pound Lab Ceramic Chemical CALCIUM PHOSPHATE
BONE ASH 1 Pound Lab Ceramic Chemical CALCIUM PHOSPHATE
BONE ASH 1 Pound Lab Ceramic Chemical CALCIUM PHOSPHATE
$4.99
BONE ASH 1 Pound Lab Ceramic Chemical CALCIUM PHOSPHATE
BARIUM CARBONATE 99% 3 Pounds Lab Ceramic Chemical
BARIUM CARBONATE 99% 3 Pounds Lab Ceramic Chemical
$12.99
BARIUM CARBONATE 99% 3 Pounds Lab Ceramic Chemical
4x4L ABI Prism3700 Running Buffer w  EDTA(10X),  4318976
4x4L ABI Prism3700 Running Buffer w EDTA(10X), 4318976
$458.00
4x4L ABI Prism3700 Running Buffer w EDTA(10X), 4318976
DMSO 99.9% PURE DIMETHYL SULFOXIDE 2 BOTTLE SPECIAL!
DMSO 99.9% PURE DIMETHYL SULFOXIDE 2 BOTTLE SPECIAL!
$19.00
DMSO 99.9% PURE DIMETHYL SULFOXIDE 2 BOTTLE SPECIAL!
SPEC SBX 1.5-30 Acid Bath - Chromatic Work Station
SPEC SBX 1.5-30 Acid Bath - Chromatic Work Station
$1,777.55
SPEC SBX 1.5-30 Acid Bath - Chromatic Work Station
5 LB Sodium Polyacrylate Diaper Polymer Absorbs 100X Wt
5 LB Sodium Polyacrylate Diaper Polymer Absorbs 100X Wt
$59.95
5 LB Sodium Polyacrylate Diaper Polymer Absorbs 100X Wt
ZINC OXIDE white 3 Pounds 99% Lab Ceramic Chemical
ZINC OXIDE white 3 Pounds 99% Lab Ceramic Chemical
$14.99
ZINC OXIDE white 3 Pounds 99% Lab Ceramic Chemical
STRONTIUM CARBONATE 1 Pound Lab Ceramic Chemical
STRONTIUM CARBONATE 1 Pound Lab Ceramic Chemical
$4.99
STRONTIUM CARBONATE 1 Pound Lab Ceramic Chemical
SODIUM NITRATE 1 Lb Lab Chemical Scrap Gold Refining
SODIUM NITRATE 1 Lb Lab Chemical Scrap Gold Refining
$3.99
SODIUM NITRATE 1 Lb Lab Chemical Scrap Gold Refining
SODA ASH 5 Pound Lab Ceramic Chemical SODIUM CARBONATE
SODA ASH 5 Pound Lab Ceramic Chemical SODIUM CARBONATE
$7.99
SODA ASH 5 Pound Lab Ceramic Chemical SODIUM CARBONATE
SODA ASH 1 Pound Lab Ceramic Chemical SODIUM CARBONATE
SODA ASH 1 Pound Lab Ceramic Chemical SODIUM CARBONATE
$2.99
SODA ASH 1 Pound Lab Ceramic Chemical SODIUM CARBONATE
POTASSIUM CHLORIDE 1 Pound 99% Lab Chemical Reagent
POTASSIUM CHLORIDE 1 Pound 99% Lab Chemical Reagent
$3.99
POTASSIUM CHLORIDE 1 Pound 99% Lab Chemical Reagent
MANGANESE DIOXIDE 1 Pound 99% Lab Ceramic Chemical
MANGANESE DIOXIDE 1 Pound 99% Lab Ceramic Chemical
$3.99
MANGANESE DIOXIDE 1 Pound 99% Lab Ceramic Chemical
LITHIUM CARBONATE 1 Pound 99% Lab Ceramic Chemical
LITHIUM CARBONATE 1 Pound 99% Lab Ceramic Chemical
$9.99
LITHIUM CARBONATE 1 Pound 99% Lab Ceramic Chemical
IRON OXIDE RED 5 lb Pounds Lab Ceramic Chemical Fe2O3
IRON OXIDE RED 5 lb Pounds Lab Ceramic Chemical Fe2O3
$7.99
IRON OXIDE RED 5 lb Pounds Lab Ceramic Chemical Fe2O3
IRON OXIDE RED 1 lb Pound Lab Ceramic Chemical Fe2O3
IRON OXIDE RED 1 lb Pound Lab Ceramic Chemical Fe2O3
$2.99
IRON OXIDE RED 1 lb Pound Lab Ceramic Chemical Fe2O3
IRON OXIDE BLACK 5 lb Pounds Lab Ceramic Chemical Fe3O4
IRON OXIDE BLACK 5 lb Pounds Lab Ceramic Chemical Fe3O4
$7.99
IRON OXIDE BLACK 5 lb Pounds Lab Ceramic Chemical Fe3O4
IRON OXIDE BLACK 30 lb Pound Lab Ceramic Chemical Fe3O4
IRON OXIDE BLACK 30 lb Pound Lab Ceramic Chemical Fe3O4
$39.99
IRON OXIDE BLACK 30 lb Pound Lab Ceramic Chemical Fe3O4
IRON OXIDE BLACK 10 lb Pound Lab Ceramic Chemical Fe3O4
IRON OXIDE BLACK 10 lb Pound Lab Ceramic Chemical Fe3O4
$14.99
IRON OXIDE BLACK 10 lb Pound Lab Ceramic Chemical Fe3O4
IRON OXIDE BLACK 1 lb Pound Lab Ceramic Chemical Fe3O4
IRON OXIDE BLACK 1 lb Pound Lab Ceramic Chemical Fe3O4
$2.99
IRON OXIDE BLACK 1 lb Pound Lab Ceramic Chemical Fe3O4
COPPER cupric OXIDE 3 Pounds Lab Ceramic Chemical
COPPER cupric OXIDE 3 Pounds Lab Ceramic Chemical
$19.99
COPPER cupric OXIDE 3 Pounds Lab Ceramic Chemical
COPPER cupric CARBONATE 3 Pounds Lab Ceramic Chemical
COPPER cupric CARBONATE 3 Pounds Lab Ceramic Chemical
$24.99
COPPER cupric CARBONATE 3 Pounds Lab Ceramic Chemical
BORIC ACID 10 Pounds Lab Ceramic Chemical 99.9% pure
BORIC ACID 10 Pounds Lab Ceramic Chemical 99.9% pure
$22.99
BORIC ACID 10 Pounds Lab Ceramic Chemical 99.9% pure
BARIUM CARBONATE 99% 1 Pound Lab Ceramic Chemical
BARIUM CARBONATE 99% 1 Pound Lab Ceramic Chemical
$4.99
BARIUM CARBONATE 99% 1 Pound Lab Ceramic Chemical
Aqua Ammonia   Ammonia Hydroxide 29% 500ml Lab Reagent
Aqua Ammonia Ammonia Hydroxide 29% 500ml Lab Reagent
$5.00
Aqua Ammonia Ammonia Hydroxide 29% 500ml Lab Reagent
DMSO 99.9% DIMETHYL SULFOXIDE
DMSO 99.9% DIMETHYL SULFOXIDE
$9.99
DMSO 99.9% DIMETHYL SULFOXIDE
5 lb Aluminum Powder - 5 µ - 3000 mesh  - Super Fine
5 lb Aluminum Powder - 5 µ - 3000 mesh - Super Fine
$65.00
5 lb Aluminum Powder - 5 µ - 3000 mesh - Super Fine
1 lb Aluminum Powder - 5 µ -3000 Mesh  - Super Fine
1 lb Aluminum Powder - 5 µ -3000 Mesh - Super Fine
$15.00
1 lb Aluminum Powder - 5 µ -3000 Mesh - Super Fine
30g Sodium Acetate Laboratory Chemical Reagent
30g Sodium Acetate Laboratory Chemical Reagent
$4.50
30g Sodium Acetate Laboratory Chemical Reagent
Element bromine in ampoule casted in acrylic for safety
Element bromine in ampoule casted in acrylic for safety
$199.99
Element bromine in ampoule casted in acrylic for safety
EUROPIUM METALL 99, 99% - 2.02 grams sealed under argon
EUROPIUM METALL 99, 99% - 2.02 grams sealed under argon
$90.00
EUROPIUM METALL 99, 99% - 2.02 grams sealed under argon
DMSO 99.9% PURE DIMETHYL SULFOXIDE 2 BOTTLE SPECIAL!
DMSO 99.9% PURE DIMETHYL SULFOXIDE 2 BOTTLE SPECIAL!
$19.00
DMSO 99.9% PURE DIMETHYL SULFOXIDE 2 BOTTLE SPECIAL!
Potassium Iodide ACS Grade 500 grams
Potassium Iodide ACS Grade 500 grams
$55.00
Potassium Iodide ACS Grade 500 grams
ZINC CHLORIDE Anhydrous 99% 2 Lb Ceramic Lab Chemical
ZINC CHLORIDE Anhydrous 99% 2 Lb Ceramic Lab Chemical
$15.99
ZINC CHLORIDE Anhydrous 99% 2 Lb Ceramic Lab Chemical
ZINC CHLORIDE Anhydrous 99% 1 Lb Ceramic Lab Chemical
ZINC CHLORIDE Anhydrous 99% 1 Lb Ceramic Lab Chemical
$8.99
ZINC CHLORIDE Anhydrous 99% 1 Lb Ceramic Lab Chemical
SODIUM NITRATE 2 Lb Lab Chemical Scrap Gold Refining
SODIUM NITRATE 2 Lb Lab Chemical Scrap Gold Refining
$6.99
SODIUM NITRATE 2 Lb Lab Chemical Scrap Gold Refining
SODIUM BISULFATE Anhydrous 99% 3 Lb Lab Chemical
SODIUM BISULFATE Anhydrous 99% 3 Lb Lab Chemical
$11.99
SODIUM BISULFATE Anhydrous 99% 3 Lb Lab Chemical
SODIUM BISULFATE Anhydrous 99% 1 Lb Lab Chemical
SODIUM BISULFATE Anhydrous 99% 1 Lb Lab Chemical
$4.99
SODIUM BISULFATE Anhydrous 99% 1 Lb Lab Chemical
POTASSIUM PERMANGANATE 99% 2 Lb Lab koi pond Chemical
POTASSIUM PERMANGANATE 99% 2 Lb Lab koi pond Chemical
$18.99
POTASSIUM PERMANGANATE 99% 2 Lb Lab koi pond Chemical
FERRIC CHLORIDE 99% IRON 2 Pound Lab Ceramic Chemical
FERRIC CHLORIDE 99% IRON 2 Pound Lab Ceramic Chemical
$21.99
FERRIC CHLORIDE 99% IRON 2 Pound Lab Ceramic Chemical
FERRIC CHLORIDE 99% IRON 1 Pound Lab Ceramic Chemical
FERRIC CHLORIDE 99% IRON 1 Pound Lab Ceramic Chemical
$10.99
FERRIC CHLORIDE 99% IRON 1 Pound Lab Ceramic Chemical
CUPRIC Copper SULFATE 99% 5 Pounds Lab Ceramic Chemical
CUPRIC Copper SULFATE 99% 5 Pounds Lab Ceramic Chemical
$23.99
CUPRIC Copper SULFATE 99% 5 Pounds Lab Ceramic Chemical
CUPRIC Copper SULFATE 99% 1 Pound Lab Ceramic Chemical
CUPRIC Copper SULFATE 99% 1 Pound Lab Ceramic Chemical
$4.99
CUPRIC Copper SULFATE 99% 1 Pound Lab Ceramic Chemical
ACETIC ACID,  GLACIAL - 1 gallon
ACETIC ACID, GLACIAL - 1 gallon
$54.99
ACETIC ACID, GLACIAL - 1 gallon
MANGANESE DIOXIDE 15 Pounds 99% Lab Ceramic Chemical
MANGANESE DIOXIDE 15 Pounds 99% Lab Ceramic Chemical
$36.99
MANGANESE DIOXIDE 15 Pounds 99% Lab Ceramic Chemical
TITANIUM DIOXIDE 3 Pounds Lab Ceramic Chemical 99%
TITANIUM DIOXIDE 3 Pounds Lab Ceramic Chemical 99%
$19.99
TITANIUM DIOXIDE 3 Pounds Lab Ceramic Chemical 99%
TITANIUM DIOXIDE 3 lb oil DISPERSIBLE PIGMENT 99%
TITANIUM DIOXIDE 3 lb oil DISPERSIBLE PIGMENT 99%
$19.99
TITANIUM DIOXIDE 3 lb oil DISPERSIBLE PIGMENT 99%
TITANIUM DIOXIDE 1 Pound Lab Ceramic Chemical 99%
TITANIUM DIOXIDE 1 Pound Lab Ceramic Chemical 99%
$6.99
TITANIUM DIOXIDE 1 Pound Lab Ceramic Chemical 99%
TITANIUM DIOXIDE 1 lb oil DISPERSIBLE PIGMENT 99%
TITANIUM DIOXIDE 1 lb oil DISPERSIBLE PIGMENT 99%
$6.99
TITANIUM DIOXIDE 1 lb oil DISPERSIBLE PIGMENT 99%
LITHIUM CARBONATE 1 Pound 99% Lab Ceramic Chemical
LITHIUM CARBONATE 1 Pound 99% Lab Ceramic Chemical
$9.99
LITHIUM CARBONATE 1 Pound 99% Lab Ceramic Chemical
Sulfur-Commerical Flour soil acidifier 1 lb
Sulfur-Commerical Flour soil acidifier 1 lb
$4.00
Sulfur-Commerical Flour soil acidifier 1 lb
100g Sodium Acetate Laboratory Chemical Reagent
100g Sodium Acetate Laboratory Chemical Reagent
$7.50
100g Sodium Acetate Laboratory Chemical Reagent
DMSO 99.9% DIMETHYL SULFOXIDE
DMSO 99.9% DIMETHYL SULFOXIDE
$9.99
DMSO 99.9% DIMETHYL SULFOXIDE