Basic Information
High quality 99% Methylene Blue Trihydrate Powder CAS 7220-79-3
| Molecular Formula | C16H24ClN3O3S |
| Molar Mass | 373.9 |
| Density | 0.98 g/mL at 25 °C |
| Melting Point | 190°C (dec.)(lit.) |
| Flash Point | 14°C |
| Water Solubility | 4 g/100 mL |
| Solubility | Soluble in water, chloroform; sparingly soluble in ethanol |
| Appearance | Solid |
| Color | Green |
Products Description
Uses of Methylene Blue Trihydrate:
- Biological Staining: Methylene Blue Trihydrate is widely used in biology and medicine as a staining agent. For example, in histological and cytological examinations, it can stain cell nuclei and cytoplasm, helping to observe the morphology and structure of cells under a microscope. It is often used in the staining of bacteria, making it easier to identify and classify bacteria.
- Medical Diagnosis and Treatment: Methylene blue (trihydrate) has certain medical applications. It can be used as a diagnostic agent in some medical tests, such as in the detection of certain diseases related to the digestive tract and urinary system. In addition, it has also been used in the treatment of methemoglobinemia, as it can help convert methemoglobin back to normal hemoglobin.
- Textile Dyeing: In the textile industry, Methylene blue (trihydrate) is used as a dye to dye cotton, wool, silk and other fabrics. It can give fabrics a bright blue color with good color fastness.
- Indicator in Chemical Experiments: In chemical analysis and experiments, Methylene Blue Trihydrate Powder can be used as an indicator.


Packaging & Delivery
Packaging: 25kg fiber drum with PE inner liner or customized packaging available.
Delivery Time: 7–10 days after payment confirmation.
Shipping Methods: By sea, air, or courier (FedEx, DHL, UPS, TNT).
Why choose Gneebio?
1. Your inquiry will be replied within 4 hours. (Online service)
2. Free samples can be sent on request.
3. Small quantity is also available. The MOQ is 25kgs.
4. We have more than 10 years experience in sales and production.
5. Customized packaging and production are available.
6. Your products can be delivered on time.
7. We have professional forwarders in different ports.
8. Different payment terms can be chosen like L/C, D/P, T/T, Paypal, Credit card or else.
We want a win-win business. Send your inquiry and you will get it!
Company Profile
Gneebio is located in Anyang City, Henan Province, China. It is a well-known supplier and manufacturer of chemical raw materials in China. We provide basic chemical raw materials, organic solvents, pharmaceutical intermediates, and other cost-effective chemical products to domestic and international chemical manufacturers and fine chemical product producers.



FAQ
Q1: When will my order be shipped?
A: Within 10~15 days after receiving customer's payment or original LC.
Q2: Can i get some samples?
A: Yes, contact me to know more about sample
Q3: How to confirm the Product Quality before placing orders?
A: Every product is with professional COA. Please be sure about the quality.
If any doubt, sample is available to you to be tested before large quantity order.
Q4: How to start orders or make payments?
A: Payment by T/T, Western Union,MoneyGram etc .
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