Best Analytical Reagents Under $200 (2026)
Selections were ranked by a value score combining user ratings, stated grade (reagent/USP/technical), package size, and price under $200
This roundup covers analytical reagents suitable for laboratory and industrial use priced under $200, selected for their reagent or USP-grade formulations and practical value. Picks were chosen based on purity specifications, user ratings, package sizes, and overall value score to help labs and technicians compare functional options
Top Picks
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1
Potassium permanganate powder, 500g – reagent-grade (USA)
Potassium permanganate powder, reagent-grade for laboratory and analytical use. High purity supports oxidation in organic synthesis. Customer notes indicate good quality and effectiveness with emphasis on purity
- reagent-grade purity
- GHS-compliant safety label
- color-coded bottle cap
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2
Methylene Blue Pharmaceutical Grade drops, 4.06 fl oz (5X concentration)
Methylene blue drops, USP grade, in a 4.06 fl oz bottle. Supports cognitive health and mental clarity. Customers note pharmaceutical-grade quality and easy use with a dropper
- pharmaceutical-grade purity
- 5% methylene blue formulation
- large 4.06 fl oz bottle with dropper
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3
Earth Harmony Methylene Blue 1% supplement with dropper
Methylene blue 1% USP-grade liquid supplement with nano liquid gold and organic glycerin. Supports energy, focus, and mental clarity; user feedback notes varied taste and color outcomes
- USP grade methylene blue
- Formaldehyde free
- Dropper included
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4
Isopropyl Alcohol 91% – 2 gal (256 oz) by MAXTITE
Isopropyl alcohol 91% technical grade, packaged as eight 32 oz bottles. Suitable for disinfection and cleaning, with user feedback noting value and larger bottle size. Evaporation speed opinions vary
- 91% purity
- 2-gallon total volume
- eight 32 oz bottles
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5
Methylene Blue Capsules 10 mg - 00 size, high purity
Methylene blue capsules, pharmaceutical grade with 10 mg per serving. Users note improved energy and mental clarity, with mixed effects on efficacy and distinctive blue urine color and strong taste
- pharmaceutical grade purity
- 10 mg per capsule
- energy and mental clarity potential
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6
Methylene Blue 2% Ultra Concentration 3.75 fl oz – USA Made
Analytical reagent-grade methylene blue solution with 2% concentration. Noted for high concentration and energy-related effects; customers value quality and effectiveness, while some report taste and dosing gaps
- 2% ultra concentration
- easy dropper measurement
- pharmaceutical-grade quality
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7
Methylene Blue Drops 2% Pharmaceutical Grade (100ml)
Pharmaceutical-grade methylene blue drops in a 2% solution. High potency offers double strength and reduced staining, with lab-tested USP-grade quality. Customers note improved mental clarity and ease of use
- high-potency 2% formula
- USP-grade, lab-tested
- U.S.-based company commitment
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8
Methylene Blue Trihydrate USP 2% – 2200 mg, 440 servings
Analytical reagent methylene blue in a glass bottle with dropper. Supports cognitive clarity and focus; customers report energy without jitters. Mixed notes on taste and urine color
- 440 servings per bottle
- pharmaceutical grade
- clear dosing via dropper
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9
Methylene Blue 2% USP, Pharmaceutical Grade Solution
USP grade 2% methylene blue solution, third-party tested for purity and safety. Formaldehyde-free formula. Customer notes improved mental clarity and steady energy without jitters
- USP grade with third-party testing
- formaldehyde-free formula
- positive user-reported clarity
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10
Potassium Hydroxide Flakes 9 lb total, KOH caustic electrolyte
Potassium hydroxide flakes packaged in HDPE containers with resealable cap. 9 lbs total, 90%+ purity; batch COA available. Customer note: great for soap making and indicates high quality
- HDPE resealable cap
- batch COA availability
- made in the USA