Bromocresolgreen Industrial Grade
1 Inquiries
76-60-8
Industrial Grade
QINGDAO
0.1kg/0.10kg Bottle
2019-06-14
Bromocresolgreen Bromocresolgreen,Dimethylglyoxime ,Murexide ,Catechol vloiet ,Naphthol green B ,Dextrin
-
Product Description
-
Seller Information
-
Inquiry History
-
Description
Bromocresol green is a chemical with the molecular formula C21H14Br4O5S, which is mainly used as an acid-base indicator.
Use description
Acid-base indicator, but yellow when pH = 3.8, blue-green when pH = 5.4, and obvious color change when pH = 4.5.
Bromocresol green preparation source
It is obtained by suspending m-cresol sulfonylphthalide in glacial acetic acid and reacting with bromine under heating.Bromocresol Green Additional Information
It is very sensitive to alkali, and it has a special blue-green color when it is encountered with alkaline aqueous solution.
When the acid dye colorimetric method is used to determine the content of atropine sulfate tablets, the acid dye used is bromocresol green.
Preparation of bromocresol green indicator solution: Take 0.1 g of bromocresol green, add 2.8 ml of 0.05 mol / L sodium hydroxide solution to dissolve, and then add water to dilute to 200 ml. The color change range is pH3.6 ~ 5.2 (yellow → blue).Basic Info-
Product Name:
Bromocresol green
Other Name:Phenol,4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-3-methyl-;m-Cresol,4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-,S,S-dioxide;Bromocresol green;Phenol,4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-3-methyl-,S,S-dioxide;o-Toluenesulfonic acid,α,α-bis(3,5-dibromo-4-hydroxy-o-tolyl)-α-hydroxy-,γ-sultone;3H-2,1-Benzoxathiole,phenol deriv.;4,4′-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-3-methylphenol];BCG;Tetrabromo-m-cresolphthalein sulfone;3′,3′′,5′,5′′-Tetrabromo-m-cresolsulfonephthalein;Bromcresol green;NSC 7817;641-19-0
CAS No.:76-60-8
Molecular Formula:C21H14Br4O5S
InChIKeys:InChIKey=FRPHFZCDPYBUAU-UHFFFAOYSA-N
Molecular Weight:698.01400
Exact Mass:698.01
EC Number:200-972-8
UNII:8YGN0Y942M
NSC Number:7817
DSSTox ID:DTXSID9044459
HScode:2934991000
Categories:
Characteristics-
PSA:
92.21000
XLogP3:7.85620
Appearance:a yellow crystalline powder
Density:0.79
Melting Point:218.5 °C
Boiling Point:626ºC at 760 mmHg
Flash Point:332.4ºC
Refractive Index:1.716
Water Solubility:H2O: slightly soluble
Storage Conditions:Store at RT.
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
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.
-
-
Seller Information
-
Business Type:
Manufactory
-
Main Products:
Bromocresolgreen Bromocresolgreen,Dimethylglyoxime,Murexide,Catechol vloiet,Naphthol green B,Dextrin
-
Location:
Shenyang city Sujiatun District mountain Elm Road No. 28
-
Payment Terms:
D/P,L/C
-
Average lead Time:
60
-
Total Annual Revenue:
Less than $1 million
Xinguang Chemical Group is a high-tech production enterprise specializing in the development and production of chemical reagents and fine chemical products. It is located in Sujiatun District, Shenyang City. It has jurisdiction over Shenyang No. 3 Reagent Factory, Shenyang No. 5 Reagent Factory, Xinguang Chemical Factory and the newly built Fushun The production base is a large-scale reagent production enterprise in Shenyang City, Liaoning Province and Northeast China.
The company has strong technical force and can produce more than 600 kinds of conventional chemical reagents and fine chemical products, including a variety of chemically pure, analytically pure, superior-grade pure, benchmark analytical reagents. The products are widely used in chemical, electronics, steel, medical, health, Printing, food and other industries have an annual output of 800 tons and sales of 30 million yuan. In December 2003, it passed the ISO9001: 2000 international quality system certification. The nearly 100-mu production base newly built by our factory in Fushun, Liaoning, was completed and put into production in April 2009. At the same time, it can be processed according to the needs of customers for special indicators of chemical products to meet the special needs of various high-tech enterprises, and provide corresponding technical advice, with the purpose of "maximum customer satisfaction" as the operating service, shorten the technology and market distance.
Our company has formed technical cooperation with Shenyang Institute of Chemical Technology, Liaoning University, Shenyang Institute of Chemical Industry and other universities and scientific research institutes. In 2004, our factory reached a cooperation with Dalian Normal University to build a test base with scientific management and advanced equipment, mainly responsible for Research and development of new products.
Our company has basically formed a market sales pattern with the Northeast and North China as the center and radiating the whole country, and some products have entered the international market, and are exported to North Korea, South Korea, Japan, Southeast Asia, the Middle East and Europe and other parts of the region. Participating in international competition, the company obtained import and export rights in June 2008 and can independently operate import and export business.
While strengthening cooperation with overseas companies, it has also opened the door to the domestic market, and sincerely invites domestic manufacturers and subcontractors to cooperate, learn from each other's strengths, absorb the products of various excellent enterprises, and contribute to the development of national industry.
On the basis of adhering to the maximization of value, the company focuses on advocating the spirit of democracy, unity, pragmatism and progress, so that the personal potential of the employees of the company is greatly released, and the collective wisdom is gathered to form a lasting affinity. The company is willing to sincerely welcome customers at home and abroad to come for cooperation and trade negotiations with sincere service and warm hands. Sincere cooperation with high-quality products, pursuit of eternity with intimate service.
In order to maintain the leading position in the industry, the company continues to invest a lot of energy, focusing on product-oriented research and development work, so that our products are closer to the market and closer to customers. Customer satisfaction and smiles have always been the driving force of our research and development. We firmly believe that Xinguang Chemical Group will guide chemical companies to succeed in a wider field.
-
-
Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted
Malaysia
Bromocresol green
25 KG Feb 22, 2024 Post an enquiry for this product