API Methylee blue CAS No.: 61-73-4
34 Inquiries
61-73-4
Chemical Grade
99%
shanghai
Wuhan pnq
Aluminum foil bag
2026-08-31
Apigenin,PQQ,NMNH
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Product Description
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Seller Information
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History Price
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Inquiry History
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DescriptionECHEMI Editorial ReferenceMethylene blue(Basic Blue 9) is used as a dye in chromoendoscopy, and is sprayed onto the mucosa of the gastrointestinal tract in order to identify dysplasia, or pre-cancerous lesions.Basic Info
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Product Name:
Methylene blue
Other Name:Phenothiazin-5-ium,3,7-bis(dimethylamino)-,chloride (1:1);C.I. Basic Blue 9;Phenothiazin-5-ium,3,7-bis(dimethylamino)-,chloride;C.I. 52015;Aizen Methylene Blue FZ;Aizen Methylene Blue BH;Calcozine Blue ZF;Chromosmon;Hidaco Methylene Blue Salt Free;Leather Pure Blue HB;Methylene Blue D;Methylene Blue 2BP;Methylene Blue BBA;Methylene Blue A;Methylene Blue G;Methylene Blue 2BF;Methylene Blue 2B;Methylene Blue 2BN;Methylene Blue BD;Methylene Blue N;Methylene Blue BP;Methylene Blue BPC;Methylene Blue BX;Methylene Blue BZ;Methylene Blue chloride;Methylene Blue FZ;Methylene Blue GZ;Methylene Blue JFA;Methylene Blue NF;Methylene Blue NZ;Methylene Blue SG;Methylene Blue SP;Methylene Blue ZF;Methylene Blue Zinc Free;Methylene Blue ZX;Methylenium ceruleum;Methylthionine chloride;Methylthioninium chloride;Mitsui Methylene Blue;Schultz 1038;Swiss blue;Tetramethylthionine chloride;Yamamoto Methylene Blue B;Yamamoto Methylene Blue ZF;Ext D and C Blue No. 1;Methylene Blue B;Methylene blue;Basic Blue 9;Methylene Blue BB;Methylene Blue Iad;Methylene Blue HGG;Methylene blue polychrome;Sandocryl Blue BRL;External Blue 1;Tetramethylthionine;Duasyn Basic Blue IAD;Methylene Blue MB;Basic Lake Blue;Urolene Blue;Solvent Blue 8;C.I. Solvent Blue 8;Izit Crystal Dye;NSC 617593;Maxilon Blue SG;BIVN 401;Virostat;Suvus;Proveblue;Basic Blue 2B;TRx 0237;Methylene Blue solution alkaline according to Loeffler;97130-83-1;105504-42-5;121067-62-7;1341-90-8;6476-03-5;12262-49-6;167498-52-4;923927-02-0;1001913-24-1;1001914-35-7;1219638-11-5
CAS No.:61-73-4
Molecular Formula:C16H18N3S.Cl
InChIKeys:InChIKey=CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Weight:319.85
Exact Mass:319.09100
EC Number:200-515-2
HScode:32049010
Categories:
Characteristics-
PSA:
43.9
XLogP3:log Kow = 0.75 (est)
Appearance:Green Liquid
Density:1.31 g/cm3
Melting Point:100-110 °C (decomp)
Flash Point:45 °C
Water Solubility:H2O: 40 g/L (20 ºC);soluble in water, ethanol, ethylene glycol, methyl cellosolve
Storage Conditions:Store at RT
Vapor Pressure:1.30X10-7 mm Hg at 25 deg C (est)
Toxicity:Oral-rat LD50; 1180mg/kg; Oral-Mouse LD50: 3500 mg/kg
Flammability characteristics:Combustion produces toxic nitrogen oxides, chloride and sulfur oxide fumes; drug side effects: rickets, blood lesions
Odor:Slight odor
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
Apigenin,PQQ,NMNH
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Location:
Room 1006, Building C6, Economic Development Wanda, Caidian District, Wuhan City, Hubei Province
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Payment Terms:
100% TT in advance
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Average lead Time:
30
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Total Annual Revenue:
Less than $1 million
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Total Employees:
5-10
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Year of Establishment:
2021
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Weekly Price
The chart shows the price trend of the product in the past 12 months.
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Inquiry History34 Inquiries
Country Product Purchase Quantity Date Posted 
Germany
METHYLENBLAU (ZINKFREI) 61-73-4 JC
1 KG Oct 7, 2023 
United States
Factory Supply Methylene Blue Raw Materials 99% Powder CAS 61-73-4 EGC-Methylene Blue
1 KG Sep 24, 2023 
Turkey
Methylene Blue
7 KG May 14, 2025 
India
Methylene Blue
1.00 MT Nov 9, 2023
United States
Methylene Blue powder
1 KG Aug 10, 2026
India
Methylene Blue
1.00 MT Oct 12, 2023
United States
Methylene Blue
1 KG Apr 16, 2026
India
Methylene blue
1.00 L Dec 31, 2025
United States
Methylene Blue
1 KG Dec 14, 2025 
Indonesia
Methylene Blue
1 KG May 6, 2025
United States
Basic Blue 9
1 KG Apr 24, 2025 
Australia
Methylene Blue
2 KG Feb 3, 2025
United States
Methylene Blue
3 KG May 9, 2024
India
Methylene Blue
1.00 MT Apr 3, 2024
United States
Methylene Blue Powder
1 KG Feb 15, 2024
India
Methylene blue
1.00 KG Jan 17, 2024 
Canada
Methylene Blue Human Grade
2 PCS Jan 12, 2026 
United Kingdom
Methylene Blue
100 PCS Oct 28, 2025
Germany
Methylene Blue USP Grade
5 KG Jul 7, 2025
United States
Methylene Blue
1 KG Apr 24, 2025 Post an enquiry for this product
