Hangzhou Lingrui Chemical Co.,Ltd.
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China (Mainland)
Business Type:Other
Tel: 86 571-88092529
Mobile: 18958069012
Tel: 86 571-88092529
Fax: 86 571-87334908
URL: http://www.lingruichem.com
Province/state: Zhejiang
City: Hangzhou
Street: 201-B 2# Building Qinglan science park, 321# JinPeng Str. Xihu District Hangzhou City, PR.CHINA
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CAS NO.143-74-8
Best price 143-74-8 reliable quality Phenol Red in stock
phenol red, also known as phenol red, is a dark red crystalline powder with a molecular weight of 354.38 and a CAS number of 143-74-8. Soluble in water, alcohol, acetone, almost insoluble in ether and chloroform. It is soluble in hydroxide or carbonate.The solution is dark red, stable in the air, and can be used for identification medium in microbial culture; acid-base refers to indicator; blood carbon dioxide Total measurement; instructions for preparing disaccharide iron urea medium in bacterial serum test agent, etc
| Molecular Formula | C19H14O5S |
| Molar Mass | 354.38 |
| Density | 1.445 Mg m-3 |
| Melting Point | >300 °C |
| Boling Point | >300°C |
| Flash Point | >300°C |
| Water Solubility | 0.77 g/L |
| Solubility | 1 M NaOH: soluble1mg/mL |
| Vapor Presure | 2.84E-13mmHg at 25°C |
| Appearance | Deep red crystalline powder |
| Color | Red |
| Odor | Odorless |
| Maximum wavelength(λmax) | ['557nm, 558nm, 360nm, 423nm, 433nm'] |
| Merck | 14,7247 |
| BRN | 326470 |
| pKa | 7.9(at 25℃) |
| PH | 6.8～8.4 |
| Storage Condition | no restrictions. |
| Refractive Index | 1.5300 (estimate) |
| MDL | MFCD00003552 |
| Physical and Chemical Properties | Deep red crystalline powder. 1g of this product is soluble in 1300ml water, about 350ml alcohol, 500ml acetone, almost insoluble in ether and chloroform, soluble in hydroxide alkali or carbonate alkali solution is deep red, stable in the air. |
Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals tovarious industries.n our R&D centre. we have a staff of skilled and experienced research chemists. This has enabled us to meet the special reauirements of our customers and it has enabled us to provide quality products at competitive prices.
1. How can we guarantee quality
Always a pre-production sample before mass production;
Always final Inspection before shipment;
2.What can you buy from us
Plant Extracts,Cosmetics Raw Materials,Vitamin Raw Materials,Pharmaceutical Raw Materials and Intermediates
3. Why should you buy from us not from other suppliers
Our company mainly devoted in producing pharmacetical intermediates , Vitamins , and health supplement , the quality and technical content can reach the advance level in China .Our products are sold well in China as well as in more than 20 countries.
Lingrui's credo is committed to your reliable business partner,reliable quality, competitive prices and superior service, lf you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future !