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Lab Chemicals & Reagents


Water quality chemicals, reagents, and standards designed for repeatable & accurate measurements


Explore a range of reagents, chemicals, and standards that ensure quality compliance and repeatable tests in your water testing laboratory. These ensure repeatable, reliable analysis for municipal regulatory requirements.

Core & Main Total Alkalinity Indicator, 500 mL
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Core & Main Total Alkalinity Indicator, 500 mL
$25.60

Mfr. Part # AI6925-P

Product # 706896

Core & Main Total Alkalinity Indicator, 1 L
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Core & Main Total Alkalinity Indicator, 1 L
$38.95

Mfr. Part # AI6925-Q

Product # 706897

Core & Main Thymolphthalein Indicator, 0.04% w/v, 500 mL
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Core & Main Thymolphthalein Indicator, 0.04% w/v, 500 mL
$57.00

Mfr. Part # TH4680-P

Product # 707304

Core & Main Thymol Blue Indicator, 0.04% w/v, 500 mL
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Core & Main Thymol Blue Indicator, 0.04% w/v, 500 mL
$57.20

Mfr. Part # TB9604-P

Product # 707303

Core & Main Thymolphthalein Indicator, 0.04% w/v, 1 L
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Core & Main Thymolphthalein Indicator, 0.04% w/v, 1 L
$85.65

Mfr. Part # TH4680-Q

Product # 707305

Core & Main Bromthymol Blue Indicator, 0.04% w/v, 500 mL
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Core & Main Bromthymol Blue Indicator, 0.04% w/v, 500 mL
$15.20

Mfr. Part # BB5025-P

Product # 706957

Core & Main Sodium Hydroxide, 1.0 N, 500 mL
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Core & Main Sodium Hydroxide, 1.0 N, 500 mL
$14.55

Mfr. Part # SH6255-P

Product # 707325

Core & Main Sodium Hydroxide, 6.0 N, 500 mL
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Core & Main Sodium Hydroxide, 6.0 N, 500 mL
$23.55

Mfr. Part # SH6310-P

Product # 707321

Core & Main Hydrochloric Acid, 10% v/v (1:9), 500 mL
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Core & Main Hydrochloric Acid, 10% v/v (1:9), 500 mL
$18.50

Mfr. Part # HA6310-P

Product # 707066

Core & Main Hydrochloric Acid, 10% v/v (1:9), 4 L
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Core & Main Hydrochloric Acid, 10% v/v (1:9), 4 L
$70.60

Mfr. Part # HA6310-G

Product # 707068

Core & Main Hydrochloric Acid, 10% v/v (1:9), 1 L
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Core & Main Hydrochloric Acid, 10% v/v (1:9), 1 L
$23.60

Mfr. Part # HA6310-Q

Product # 707067

Core & Main Hydrochloric Acid Concentrated, ACS Grade, 2.5 L
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Core & Main Hydrochloric Acid Concentrated, ACS Grade, 2.5 L
$51.45

Mfr. Part # HA1000-L

Product # 707077

Core & Main Hydrochloric Acid Concentrated, ACS Grade, 500 mL
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Core & Main Hydrochloric Acid Concentrated, ACS Grade, 500 mL
$42.50

Mfr. Part # HA1000-P

Product # 707075

Core & Main Hydrochloric Acid Concentrated, ACS Grade, 1 L
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Core & Main Hydrochloric Acid Concentrated, ACS Grade, 1 L
$53.95

Mfr. Part # HA1000-Q

Product # 707076

Core & Main Hexane (n-hexane), ACS Grade, 4 L
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Core & Main Hexane (n-hexane), ACS Grade, 4 L
$261.50

Mfr. Part # HX1000-G

Product # 707042

Core & Main Hexane (n-hexane), ACS Grade, 1 L
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Core & Main Hexane (n-hexane), ACS Grade, 1 L
$111.95

Mfr. Part # HX1000-Q

Product # 707041

Core & Main Ferrous Ammonium Sulfate, 0.25M, 500 mL
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Core & Main Ferrous Ammonium Sulfate, 0.25M, 500 mL
$28.50

Mfr. Part # FE3225-P

Product # 707005

Core & Main Ferrous Ammonium Sulfate, 0.25M, 1 L
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Core & Main Ferrous Ammonium Sulfate, 0.25M, 1 L
$41.40

Mfr. Part # FE3225-Q

Product # 707006

Core & Main Ferrous Ammonium Sulfate, 0.1M, 500 mL
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Core & Main Ferrous Ammonium Sulfate, 0.1M, 500 mL
$26.75

Mfr. Part # FE3201-P

Product # 707003

Core & Main Ferrous Ammonium Sulfate, 0.1M, 1 L
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Core & Main Ferrous Ammonium Sulfate, 0.1M, 1 L
$37.95

Mfr. Part # FE3201-Q

Product # 707004

Core & Main Ethanol, 95%, Denatured, ACS Grade, 1 L
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Core & Main Ethanol, 95%, Denatured, ACS Grade, 1 L
$51.90

Mfr. Part # ET1000-Q

Product # 706998

Core & Main Ethanol, 95% Denatured, ACS Grade, 4 L
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Core & Main Ethanol, 95% Denatured, ACS Grade, 4 L
$107.60

Mfr. Part # ET1000-G

Product # 706999

Core & Main D-Glucose, Anhydrous, ACS Grade, 100 g
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Core & Main D-Glucose, Anhydrous, ACS Grade, 100 g
$41.25

Mfr. Part # GL1010-J

Product # 707031

Core & Main D-Glucose, Anhydrous, ACS Grade, 500 g
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Core & Main D-Glucose, Anhydrous, ACS Grade, 500 g
$84.60

Mfr. Part # GL1010-K

Product # 707032

Core & Main Calcium Carbonate, ACS Grade, 500 g
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Core & Main Calcium Carbonate, ACS Grade, 500 g
$103.45

Mfr. Part # CC1016-K

Product # 706960

Core & Main Calcium Carbonate, ACS Grade, 100 g
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Core & Main Calcium Carbonate, ACS Grade, 100 g
$54.95

Mfr. Part # CC1016-J

Product # 706959

Core & Main Ammonium Hydroxide, ACS Grade, 500 mL
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Core & Main Ammonium Hydroxide, ACS Grade, 500 mL
$33.65

Mfr. Part # AH1000-P

Product # 706932

Core & Main Ammonium Hydroxide, ACS Grade, 2.5 L
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Core & Main Ammonium Hydroxide, ACS Grade, 2.5 L
$76.30

Mfr. Part # AH1000-L

Product # 706934

Core & Main Ammonium Hydroxide, ACS Grade, 1 L
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Core & Main Ammonium Hydroxide, ACS Grade, 1 L
$49.65

Mfr. Part # AH1000-Q

Product # 706933

Core & Main Ammonium Hydroxide, 3% v/v, 500 mL
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Core & Main Ammonium Hydroxide, 3% v/v, 500 mL
$21.30

Mfr. Part # AH1025-P

Product # 706930

Core & Main Ammonium Hydroxide, 3% v/v, 1 L
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Core & Main Ammonium Hydroxide, 3% v/v, 1 L
$35.30

Mfr. Part # AH1025-Q

Product # 706931

Core & Main Sodium Thiosulfate, Pentahydrate, ACS Grade, 100 g
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Core & Main Sodium Thiosulfate, Pentahydrate, ACS Grade, 100 g
$36.45

Mfr. Part # ST1002-J

Product # 707270

Core & Main Sodium Thiosulfate, 1.0N, 500 mL
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Core & Main Sodium Thiosulfate, 1.0N, 500 mL
$19.85

Mfr. Part # ST2965-P

Product # 707268

Core & Main Sodium Thiosulfate, 1.0N, 1 L
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Core & Main Sodium Thiosulfate, 1.0N, 1 L
$25.90

Mfr. Part # ST2965-Q

Product # 707269

Core & Main Sodium Thiosulfate, 0.25N, 4 L
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Core & Main Sodium Thiosulfate, 0.25N, 4 L
$114.40

Mfr. Part # ST2925-G

Product # 707267

Core & Main Sodium Thiosulfate, 0.25N, 500 mL
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Core & Main Sodium Thiosulfate, 0.25N, 500 mL
$28.80

Mfr. Part # ST2925-P

Product # 707265

Core & Main Acetone, HPLC Grade, 500 mL
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Core & Main Acetone, HPLC Grade, 500 mL
$57.10

Mfr. Part # AC5050-P

Product # 706890

Core & Main Sodium Thiosulfate, 0.25N, 1 L
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Core & Main Sodium Thiosulfate, 0.25N, 1 L
$43.50

Mfr. Part # ST2925-Q

Product # 707266

Core & Main Acetone, HPLC Grade, 4 L
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Core & Main Acetone, HPLC Grade, 4 L
$182.90

Mfr. Part # AC5050-G

Product # 706892

Core & Main Sodium Thiosulfate, 0.0375N, 500 mL
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Core & Main Sodium Thiosulfate, 0.0375N, 500 mL
$16.70

Mfr. Part # ST2855-P

Product # 707262

Core & Main Acetone, HPLC Grade, 1 L
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Core & Main Acetone, HPLC Grade, 1 L
$74.10

Mfr. Part # AC5050-Q

Product # 706891

Core & Main Sodium Thiosulfate, 0.0375N, 4 L
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Core & Main Sodium Thiosulfate, 0.0375N, 4 L
$87.35

Mfr. Part # ST2855-G

Product # 707264

Core & Main Sodium Thiosulfate, 0.0375N, 1 L
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Core & Main Sodium Thiosulfate, 0.0375N, 1 L
$24.95

Mfr. Part # ST2855-Q

Product # 707263

Core & Main Acetone, ACS Grade, 500 mL
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Core & Main Acetone, ACS Grade, 500 mL
$34.60

Mfr. Part # AC4800-P

Product # 706887

Core & Main Acetone, ACS Grade, 4 L
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Core & Main Acetone, ACS Grade, 4 L
$96.75

Mfr. Part # AC4800-G

Product # 706889

Core & Main Sodium Thiosulfate, 0.025N, 500 mL
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Core & Main Sodium Thiosulfate, 0.025N, 500 mL
$14.55

Mfr. Part # ST2825-P

Product # 707259

Core & Main Acetone, ACS Grade, 1 L
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Core & Main Acetone, ACS Grade, 1 L
$50.50

Mfr. Part # AC4800-Q

Product # 706888

Core & Main Sodium Thiosulfate, 0.025N, 4 L
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Core & Main Sodium Thiosulfate, 0.025N, 4 L
$47.45

Mfr. Part # ST2825-G

Product # 707261