Best Bulk Methylene Blue Powder USP Grade 99% Manufacturer, Supplier

Product name: Methylene blue
CAS No.:7220-79-3, 61-73-4
Specification:99% 
Appearance: Deep green with a bronze sheen
Standard:ISO, USP, EP
Delivery : EXW,FOB,CFR,CIF,DAP,DDP
Packaging: 20 kgs/drum or customized packaging available
Payment :  T/T bank transfer, Western Union,PayPal
Shelf time:2 years,keep away sunlight, keep dry

Product Description

Product Description

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Methylene Blue is a versatile and powerful compound known for its vibrant blue color and numerous applications in various industries. Our Methylene Blue is carefully manufactured to meet the highest quality standards.
Methylene Blue is widely used as a colorant in foods and beverages, providing an attractive aesthetic that enhances product appeal. It is also utilized in laboratory settings for various staining procedures, helping to facilitate research and testing.

Certificate of Analysis

Items Standards Results
Physical Analysis    
Appearance Crystalline powder Complies
Color Dark green Crystalline powder Complies
Assay(as is Basis) 80-85% 80.98%
Assay on Dry Basis 98-103% 98.22%
Assay on Drying(at 110℃) 8-16% 10.18%
Residue on lgnition ≤1.2% 0.46%
Absorptivity 1%,1cm, at Max.663.0nm 2200-2700 2258
Sulphated Ash <1.0% 0.61%
Zinc Content <100ppm 84ppm
Solubility Clear Blue Solution Complies
Residual Solvent Nil Nil
Aluminum <100ppm Max 20ppm
Cadmium <1ppm Max. N.D.
Chromium <10ppm Max 2ppm
Copper <100ppm Max 76ppm
Tin <10ppm Max 2ppm
lron <100ppm Max 69ppm
Manganese <10ppm Max 4ppm
Mercury Nil Nil
Molybdenum <10ppm Max 2ppm
Nickel <10ppm Max 3ppm
Lead <10ppm Max 1 ppm
Arsenic <8ppm Max. 2ppm
Chrmatographic Purity Passes Tests Passes

Functions / Application

Methylene blue is very popular for making Methylene blue drops liquid.
Methylene Blue drop liquid refers to a concentrated solution of Methylene Blue that is dispensed in drop form, allowing for easy and precise dosing.
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Packing

Weight Packing method
1kg bag/kg, box outside (double plastic bag + Aluminum foil bag inside)
10kgs, 25kg or more by Drums or carton (2 layers plastic bag inside)
packaging

Delivery & Logistics

Weight Delivery method Delivery time Destination
1kg-25kgs EMS, DHL, UPS, Fedex 3-7 days Door to door
25kgs-100kgs DHL, FedEx, by Air 3-7 days Door to door (to Airport by Air)
more than 100kgs by Air 3-7 days Door to Airport
by Sea 10-35 days Door to port
Logistics

Frequently Asked Questions

1. What are the primary applications of Methylene Blue?
Methylene Blue is widely used as a colorant in foods and beverages to enhance product appeal, and in laboratory settings for various scientific staining and testing procedures. It is also highly popular for making Methylene Blue liquid drops.
2. What are the purity standards of your Methylene Blue?
According to our Certificate of Analysis, our Methylene Blue has an Assay of 80-85% on an "as is" basis and 98-103% on a dry basis, meeting high physical and chemical standards.
3. What is the zinc content in your Methylene Blue product?
The zinc content is strictly controlled and verified to be below 100ppm, with actual batch analysis showing compliance at 84ppm, ensuring its suitability for diverse analytical applications.
4. How is the product packaged for different quantities?
For 1kg shipments, it is packed in double plastic bags with an aluminum foil bag inside and a box outside. For quantities of 10kg, 25kg or more, the product is packaged in double-layered plastic bags inside drums or cartons.
5. What delivery methods and transit times are available?
We support shipping via EMS, DHL, UPS, FedEx, air freight, and sea freight. Delivery time typically ranges between 3 to 7 days for express/air, and 10 to 35 days for sea transport, depending on destination.
6. What is Methylene Blue drop liquid?
Methylene Blue drop liquid is a concentrated liquid solution formulated from Methylene Blue powder that is administered in drop form to ensure easy, precise, and accurate dosage control.

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