Polypropylene K7726H - Versatile Polymer for Automotive and Packaging Industries
| Molecular Weight | 198.11 |
| Exact Mass | 198.014038 |
| BRN | 3767246 |
| EC Number | 205-126-1 |
| UNII | S033EH8359 |
| DSSTox Substance ID | DTXSID0020105 |
| Color/Form | Minute crystals|Minute white to yellow crystals |
| PSA | 110 |
| XLogP3 | -1.5349 |
| Appearance | white to slightly yellow powder |
| Density | 1.799 g/cm3 |
| Melting Point | 220 °C |
| Boiling Point | 235 °C |
| Flash Point | 238.2ºC |
| Refractive Index | 105.5 ° (C=10, H2O) |
| Water Solubility | H2O: 620 g/L (20 ºC) |
| Storage Conditions | Store at RT. |
| Vapor Pressure | 1.62E-14mmHg at 25°C |
| Flammability characteristics | Flammable; burning produces toxic sodium oxide fumes |
| Specific rotation | 104 º (c=1, H2O 25 ºC) |
| Odor | Odorless |
| PH | Between 6,5 and 8,0 (10 % aqueous solution) |
| Air and Water Reactions | Water soluble. Aqueous solutions are subject to quick air oxidation at pH greater than 6.0. |
| Reactive Group | Alcohols and Polyols |

Methods of Manufacturing:
Ascorbic acid is dissolved in water, and an equivalent amount of sodium bicarbonate is added. After cessation of effervescence, the sodium ascorbate is precipitated by the addition of isopropanol.
As antimicrobial and antioxidant in foodstuffs.As a food nutrient fortifier, the effect is the same as that of ascorbic acid, and the amount used needs to be converted. In addition, it can be used as color protection agent and antioxidant. The effect of this product is roughly the same as that of ascorbic acid. It is used as a vitamin C fortifier in various foods and can be used in refreshing drinks and dairy products. It is also used in foods such as ham and sausage to maintain blood color and freshness. Nutritional supplements, antioxidants; color protection agent. Basically the same purpose as ascorbic acid.

| Company Name | Beijing TDD E-commerce Co., Ltd | Country/Region | China |
| Business Type | Online Store | Company Size | 2000 |
| Established | December 18, 2014 | ||
| Address | Building No.3, Area 6, No.188, West of South Forth Ring Rd, Beijing, China | ||
| Main Products | Chemical,Agriculture Film,Fertilizer,Water Treatment Products,Feed Additives | ||
| Nearest Port | Tianjin Port | ||
| Import & Export Mode | Have Own Export License | ||
| Main Markets | Europe, Southeast Asia/ Mideast | ||
| Annual Output Value: | US$2.5 Million - US$5 Million | ||
| Factory Address: | Room 1006, Huigu Building, Nankai District, Tianjin | ||

Beijing United Information Technology Co., Ltd. (Stock Code: 603613. SH), founded in 2002 and listed on the Main Board in July 2019, is mainly engaged in industrial e-commerce and industrial Internet platforms. Based on industrial e-commerce and supported by industrial big data and industrial digitalization, the company provides online commodity trading, business information services, and digital technology services for industrial products and raw materials in related industries. In terms of business model, it is called "the industrial version of Pinduoduo" and "the industrial version of JD.com".

Beijing TDD E-commerce Co., Ltd. (shortly named TDD Global) is the core subsidiary of Guolian Corporation (Stock Code: 603613.SH) and the first industrial Internet platform of Duoduo Series Platforms. The company mainly engages in B2B e-commerce transaction services for raw materials and industrial products, digital supply chain services, industrial digitalization services, and industrial big data services, and is committed to promoting the deep integration of traditional industries and new technologies such as the Internet, Internet of Things, big data, intelligent manufacturing, and blockchain, etc.
Our company offers a variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first, and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers.
Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with an irresistible force.



In order to better satisfy our customers worldwide and maintain regular customers, our company takes raw material & industrial product B2B e-commerce transaction service, digital supply chain service, industry digitization service, and industry data service as its primary business, focusing on promoting the deep integration between new technology and traditional industry, such as the Internet, Internet of Things, big data, intelligent manufacturing, and blockchain.
