SKU: 51016766602

ChemWorld METHYLENE BLUE 1% Pharmaceutical Grade Ph. Eur. + BOOK

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Description

ChemWorld METHYLENE BLUE 1% Pharmaceutical Grade Ph. Eur. + BOOKMethylene Blue 1% (Ph. Eur.) ChemWorld 100 ml Methylene blue (CHClNS) is an organic chemical compound belonging to the phenothiazine dye group. It is widely used in chemistry, biology, and medicine. Its basic chemical properties include: Chemical formula and structure Summary formula: CHClNS Molar mass: 319. 85 g mol The structure contains a phenothiazine system with amine substituents and a chloride ion. Ingredients: distilled water, methylene blue

Methylene Blue 1% (Ph. Eur.) ChemWorld

100 ml

 

Methylene blue (C₁₆H₁₈ClN₃S) is an organic chemical compound belonging to the phenothiazine dye group. It is widely used in chemistry, biology, and medicine. Its basic chemical properties include:

Chemical formula and structure Summary formula: C₁₆H₁₈ClN₃S - Molar mass: 319.85 g/mol - The structure contains a phenothiazine system with amine substituents and a chloride ion.

Ingredients:  distilled water, methylene blue (Ph. Eur.)

1 drop = 0.5 mg (methylene blue)

1 ml = 20 drops (10 mg of methylene blue) The production process uses pharmaceutical grade Methylene Blue - Ph. Eur.

- Blue glass bottle 100 ml with glass pipette -

ChemWorld Methylene Blue is an ultra-pure, pharmaceutical-grade form of Ph.Eur. Despite the supplier's testing, we verify these tests in a Polish laboratory. We always do this to ensure we deliver a product to our customers without impurities. Tests have shown no heavy metals or other contaminants.

Compliance with the requirements (Ph. Eur.) proves that our methylene blue is manufactured and tested to the highest standards, free from harmful contaminants and heavy metals such as lead, arsenic, cadmium and mercury.

Product advantages:

✅ Professional pipette - dropper

✅ Pharmaceutical purity grade Ph.Eur.

✅ Product tested in a Polish professional laboratory

✅ Correct solution recipe

✅ Laboratory-confirmed Methylene Blue content

✅ Laboratory-confirmed absence of heavy metals

We also verified in a Polish laboratory that our formula was correct and that customers were receiving exactly 1% methylene blue in an aqueous solution. The test showed that our methylene blue solution was no less than 1%, and even slightly above. This guarantees the declared potency.

Properties:

  • Solubility:  freely soluble in water and alcohols, forms an intense blue solution.         
  • PH dependence:  its color changes depending on the environment - in acidic solutions it takes on a cationic form (more intensely blue), and in alkaline solutions it can be reduced to a colorless leuco derivative.     

Reduction and oxidation:          

  • It can be reduced to methylene leucoblue, which is colorless, but reoxidizes to methylene blue upon contact with oxygen.
  • It acts as an electron acceptor and donor, which is why it is used as a redox indicator.      

Reactivity: 

  • In a reducing environment it can be transformed into methylene leucoblue, which is used in chemical reactions and biological research.
  • It can react with a variety of biological substances, such as proteins and nucleic acids, making it useful in microscopy and molecular biology.
  • It is relatively stable, but may degrade in the presence of strong oxidizing or reducing agents.     

Applications: 

  • Redox indicator – used e.g. in chemical analyses and biological tests. 
  • Biological dye – used in microscopy to stain preparations. 
  • Application in aquariums – used to color water. 
  • Fluorescence, exhibits fluorescent properties under certain conditions.

PRECAUTIONS:  If swallowed, do not induce vomiting; rinse mouth with water. Seek medical attention immediately. In case of contact with eyes, rinse with plenty of water and consult an ophthalmologist immediately. In case of skin contact, remove contaminated clothing and wash skin thoroughly with water. Immediately immerse contaminated clothing in water and rinse thoroughly.

STORAGE:  Store in a dry, dark and cool place, out of reach of small children.

ATTENTION !! THIS PRODUCT IS NOT A DRUG, THIS PRODUCT IS A CHEMICAL ANALYTICAL REAGENT FOR SYNTHESIS AND EDUCATIONAL PURPOSES, MAY BE HARMFUL TO HEALTH, ANY OTHER USE OF THE CHEMICAL REAGENT IS AT YOUR OWN RISK.

METHYLENE BLUE. THE COMPLETE GUIDE

Mark Sloan

  • WEIGHT: 0.27 KG
  • DIMENSIONS: 145 × 205 MM
  • CONDITION: NEW
  • NUMBER OF PAGES: 236
  • COVER: SOFT
  • ISBN: 978-83-65717-65-8
  • EAN: 9788365717658
Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 51016766602

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TexasLady
Port Orchard, US
★★★★★ 3
Frustrating and Not Durable
Style: Turtle
My Foxhound /Beagle mix had this toy torn in several places within minutes. He loves his toys, but this one seemed to frustrate him and me. The small slits are too tight for anything but kibble. The large pouch is too deep for treats, and would send kibble flying as soon as he shook it. Anything larger would get stuck! The pouch tore at the seams as soon as my dog tried to pull out a Milkbone. Only small treats would fit in the slits, and he’d lose interest with them. The squeaker was useless due to the large size and hardness of the head. The weight and size of the head and the length of the toy might be a problem for smaller dogs. This toy was returned.
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Reviewed in the United States on February 11, 2026
C
Verified Purchase
CHxx
Lowell, US
★★★★★ 5
GSP Approved!
Style: Frog
Our GSP loves this! It's only keeps her busy for a few minutes, but then she carries around for an hour. The pockets are a great size for training treats and the Velcro has held up well despite repeated daily use!
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Reviewed in the United States on May 9, 2026
P
Verified Purchase
Patricia
Carnegie, US
★★★★★ 5
Great toy!!
Style: Frog
Cute cute dog toy! Tug of war time is fun and this toy holds up great. The toy also rolls up with Velcro spots to hold it making it fun for throw and fetch!7
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Reviewed in the United States on March 16, 2026
A
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AP
Houston, US
★★★★★ 4
Get the turtle. Your pup will love it!
Style: Turtle
Both my small 15lb terrier mixes love this toy. I need to get another one because they won't share it. It keeps them busy for a good hour. They have tons of toys and this is by far the best. Only down side is the pups chewed the flaps off the pockets where you hide the treats the first use.
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Reviewed in the United States on June 5, 2026
B
Verified Purchase
Becky
Fort Morgan, US
★★★★★ 5
Dogs love them and long lasting
Size: Large, Style: Wishbone/Dental
My dogs love these chew toys and they have lasted nearly 2 months and they still have plenty of chew left to them.
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Reviewed in the United States on June 5, 2026

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