CAS 7220-79-3 Pharmaceutical Grade Basic Blue 9
4 Inquiries
7220-79-3
Shanghai, China
100g; 1kg; 25g
2022-12-31
Dichloromethane,Linocaine hydrochloride
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Product Description
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Seller Information
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Inquiry History
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Description
Melting point 190 °C (dec.)(lit.) density 0.98 g/mL at 25 °C Fp 14 °C storage temp. Store at RT. solubility Soluble in water, chloroform; sparingly soluble in ethanol form Solid pka 2.6, 11.2(at 25ºC) Colour Index 52015 color Green Water Solubility 4 g/100 mL λmax 668 nm, 609 nm Merck 13,6085 Stability: Stable. Incompatible with bases, reducing agents, strong oxidizing agents. 
Packing
· 1kg/aluminium foil bag, with two plastic bags inside.
· 25kg/fiber drum, with two plastic bags inside.
Size:ID 42cm*H52cm,0.08m3/drum;
Net Weight:25kgs Gross Weight:28kgs.
Delivery- ≤50kg, Express delivery recommended, usually called as DDU service;
- ≤500kg,Air shipping recommended, usually called as CIF service;
- >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
- For high value products, please select air shipping and express delivery for safety.
About us
Shandong Zhishang Chemical Co.,Ltd owned by Zhishang International Group,is a new chemical enterprise with R&D.
manufacture and sales department.
Our company mainly produce pharmaceutical raw materials and intermediate(expecially Carbohydrate derivatives series).
In recent years,we had made big breakthrough in feed additive,plant extraction,industrial chemicals line.
With our "Honest operation,Quality controlling,Clients first"theory,our company enjoy good repute both home and abroad.
The R&D center located in High-tech zone in Jinan,our production based is in Chemical park of Zhangqiu and Tai'an.Our production process strictly conform with ISO 9001 and ISO 2000 standard.Our lab and workshop also follows strictly with GMP standard.Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term and stable business relations.We have large scale liquid chemical terminal and professional chemical warehouse.
We will always adhere to expand business scope and provide the best quality products and service to the world.
- DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
Our Advantage
10 Years Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.
Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
24 hour serviceQuick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.Basic Info-
Product Name:
Methylene blue trihydrate
Other Name:Phenothiazin-5-ium,3,7-bis(dimethylamino)-,chloride,hydrate (1:1:3);C.I. Basic Blue 9,trihydrate;Phenothiazin-5-ium,3,7-bis(dimethylamino)-,chloride,trihydrate;3,7-Bis(dimethylamino)phenazathionium chloride trihydrate;Methylene blue trihydrate
CAS No.:7220-79-3
Molecular Formula:C16H18N3S.Cl.3H2O
InChIKeys:InChIKey=XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Weight:373.89800
Exact Mass:373.12300
EC Number:615-731-6
UNII:T42P99266K
DSSTox ID:DTXSID0025600
NCI Thesaurus Code:C644
HScode:32129000
Categories:
Characteristics-
PSA:
75.07000
XLogP3:-0.69000
Appearance:Methylene blue trihydrate appears as odorless or almost odorless dark green crystals with bronze luster or dark green crystalline powder. pH (1% solution in water) 3 to 4.5 . (NTP, 1992)
Density:0.98 g/mL at 25 °C
Melting Point:190ºC
Flash Point:14ºC
Water Solubility:H2O: 4 g/100 mL
Storage Conditions:Store at RT.
Vapor Pressure:1.30X10-7 mm Hg at 25 deg C (est)
Air and Water Reactions:Hygroscopic. Water soluble. Gives a blue solution in water.
Reactive Group:Amines, Phosphines, and Pyridines
Reactivity Profile:METHYLENE BLUE TRIHYDRATE is incompatible with strong oxidizing agents, caustics, alkali metal iodides and reducing agents. Also incompatible with dichromates. It forms double salts with many inorganic salts. Is bleached reversibly by (zinc + hydrochloric acid) or sodium hydrosulfite. In aqueous solution, this chemical is decolorized by zinc dust and dilute sulfuric acid, but the color is restored upon exposure to air and more rapidly upon addition of ammonium hydroxide. (NTP, 1992)
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
Skin irritation, Category 2
Eye irritation, Category 2
Specific target organ toxicity â single exposure, Category 3
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P321 Specific treatment (see ... on this label).
P332+P317 If skin irritation occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P319 Get medical help if you feel unwell.
Storage P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
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:
Manufactory
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Main Products:
Dichloromethane,Linocaine hydrochloride
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Location:
BUILDING 1,HISENSE INTELLIGENCE VALLEY,NO.2116,OF PHOEIX ROAD, HIGH-TECH ZONE ,JINAN CITY ,SHANDONG PROVINCE,CHINA
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Payment Terms:
D/P,L/C,D/A
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Average lead Time:
15
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
11-50
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Year of Establishment:
2016
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Inquiry History4 Inquiries
Country Product Purchase Quantity Date Posted 
India
Methylene blue
100 KG Aug 26, 2024
India
Methylene blue trihydrate
100 KG May 19, 2026 
Pakistan
redox indicator
1 KG Aug 19, 2025 
United Kingdom
Methylene blue raw powder
1 MT Sep 25, 2025 Post an enquiry for this product
