Hebei Nengqian Chemical Import and Export Co., LTD
Assessed Supplier Enterprise Certification
- Assessed
Supplier - 4th
years
Assessed Supplier Enterprise Certification
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
Tel: +86 18233902561
Mobile: +86 18233902561
Tel: +86 18233902561
Fax: 4001020630
URL: https://www.nengqianchemical.com/
Province/state: Hebei
City: Handan
Street: No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
MaxCard:
Ms.AnnaCAS NO.1058-92-0
medical grade(1-50)Kilogrammedical grade(50-500)Kilogram
Our Advantage
Rich 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 service
Quick 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.
| Molecular Formula | C16H12ClN2NaO9S2 |
| Molar Mass | 498.84 |
| Density | 1.756[at 20℃] |
| Water Solubility | 26.62g/L at 20℃ |
| Appearance | Powder |
| Color | Dark green to Dark red to Black |
| pKa | pK1:7.56;pK2:9.3;pK3:12.4 (25°C) |
| Storage Condition | 2-8°C |
| MDL | MFCD00003941 |
| Physical and Chemical Properties | Blue and black with metallic luster powder. Soluble in water magenta, soluble in fibrinolytic, slightly soluble in ethanol. In concentrated sulfuric acid, it is dissolved in blue, and after dilution, it is magenta; In concentrated nitric acid, it is dissolved in Brown light red, and in the caustic soda solution, it is red light blue solution. The aqueous solution was magenta with concentrated hydrochloric acid and blue with concentrated sodium hydroxide. Copper and iron were encountered during dyeing, with great color and light change. Water solubility (80 C) 50g/L. |