Methylene Blue Trihydrate, Analytical Reagent Grade, 99% Purity, 500g / Bottle

• Customization: Available
• CAS No.: 7220-79-3
• Formula: C16h20cln3OS
• Model NO.: Methylene Blue Trihydrate
• EINECS: 615-731-6
• Colour: Green
• Appearance: Powder
• Usage: Paper, Paint, Plastic, Textile, Ink
• Name: Methylene Blue Trihydrate
• Content: 99%
• Transport Package: Bag
• Specification: 25 Kgs bag
• Trademark: yingye
• Origin: Hebei
• HS Code: 32129000
• Production Capacity: 10000 Tons/Year

Product Description

Product Description

 

Methylene blue is widely used in chemical indicators, dyes, biological staining agents and drugs, etc. Especially in the dyeing industry, it is used to manufacture ink and so on, with a large demand. In the following fields, methylene blue is also widely applied.

1. High Purity:
   • Analytical reagent grade: ≥99.0% (assayed by titration).
   • Industrial grade: ≥98.0%, with controlled impurities for specific applications.
2. Multi-Industry Compatibility:
   • Stable under normal storage conditions, compatible with aqueous and alcoholic systems.
   • Low volatility and excellent lightfastness in dyeing applications.
3. Regulatory Compliance:
   • Meets USP/NF standards for pharmaceutical use.
   • Complies with REACH, RoHS, and other international regulations (on request).

 

 

 

Parameter	Analytical Grade	Industrial Grade
Purity (by HPLC)	≥99.0%	≥98.0%
Loss on Drying	≤15.0%	≤16.0%
Heavy Metals (as Pb)	≤10ppm	≤50ppm
pH (1% aqueous solution)	3.0~5.0	3.0~6.0

Product Application

1. Biological & Medical Sciences:
   • Staining Agent: For bacterial, cellular, and histological samples (e.g., Gram staining, nucleic acid visualization).
   • Pharmaceutical Intermediate: Used in the synthesis of drugs and as an antidote for cyanide poisoning or methemoglobinemia.
2. Industrial & Environmental:
   • Textile & Leather Dyeing: Provides intense blue color with good washfastness.
   • Water Quality Monitoring: As an indicator in redox titrations or to detect sulfide in wastewater.
   • Mineral Processing: Acts as a flotation agent in ore separation.
3. Laboratory & Research:
   • Reagent for chemical synthesis, pH indicator, and electron microscopy staining.

Packaging & Shipping

About Us

Hebei Yingye New Energy Technology Co., Ltd. is a professional chemical manufacturer and exporter. it is located in Hebei ProvinceChina, close to the port.
Our product qualty and technology have reached international standards and have become a well-known brand in China's chemical industry. Ourproducts are sold well all over the world and exported to many countries in Southeast Asia, North America, South America, Europe and otheregions. We employ professional technicians to make our products continue to improve. We pay attention to product quaity, environmentalprotection and harmlessness. Our business philosophy is "pursuing quality and creating a world brand"Now we are looking for global trading partners. lf you are interested in any of our products, please contact us.

Certifications

FAQ

Q: Can I get some samples?
A: Yes, free samples(1kg)are available for most of our products, you only need to pay the shipping cost.

Q: What is your general delivery time?
Usually 3-7 working days (for ready-made samples) and 7-15 working days (for bulk orders).

Q: Whether you could make our brand on your products?
A: Yes. We can print your Logo on the packages if you need.

Q: What is your MOQ?
Generally it is 1000 kg.
Any trial orders smaller than MOQ are warmly welcomed. If you have a sample order, please feel free to contact us (samples are free for you, and the shipping costs are borne by you.), so that we can provide you with some shipping suggestions according to the quantity you need to save costs.

Q: What documents do you provide?
A: Usually, we provide Commercial Invoice, Packing List, Bill of loading, COA, if your markets need any special requirements, let us know.

Q: How to guarantee the quality of your products?
A:1) Strict detection during production.
   2) Strict sampling inspection on products before shipment and intact product packaging ensured.