Beta Carotene 98% 99% Crystal Powder - High-Purity Antioxidant for Food and Supplements
Purpose:
1. Citric acid is a weak organic acid. As a commercial chemical, it is produced in large quantities every year through microbial fermentation, using crude sugar solutions (such as molasses) and Aspergillus niger strains to produce more than one million tons on an industrial scale. Citric acid is widely distributed in plant and animal tissues and body fluids, and is present in large quantities in various fruits and vegetables, especially citrus fruits such as lemons and lime. Citric acid is mainly used as an acidulant, flavoring and chelating agent.
2. Chelating agent for trace metals; determination of phosphorus pentoxide soluble in citric acid.
| PSA | 132.13 |
| XLogP3 | -1.7 |
| appearance | white crystalline powder |
| density | 1.665 g/cm³ @ Temperature: 20 °C |
| melting point | 153 °C |
| boiling point | 142-143 °C |
| flash point | 100°C |
| refractive index | 1.493~1.509 |
| water-soluble | H2O: 750 g/L (20 °C) |
| storage conditions | store at room temperature |
| vapor pressure | |
| toxicity | Mouse and rat LD50 (mmol/kg): 5.0, 4.6 i.p.(Gruber, Halbeisen) |
| flammability characteristics | 0.28-2.29 kg/m³ (dust) |
| explosion limit | Volume % in air: 0.28-2.29 |
| smell | tasteless |
| taste | strong sour taste |
| pKa | 2.79 |
| 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 | PVC Resin , PP , PE , Pet , Titanium Dioxide , Pigment , Car Tire | ||
| International Commercial Terms(Incoterms): | FOB, CFR, CIF, FCA | ||
| Terms of Payment: | LC, T/T, D/P | ||
| Average Lead Time: | Peak Season Lead Time: one month, Off Season Lead Time: within 15 workdays | ||
| Number of Foreign Trading Staff: | 20~40 People | ||
| Main Markets: | Southeast Asia, Africa, Mid East | ||
| Nearest Port: | Tianjin,Qingdao,Shanghai | ||
| Import & Export Mode: | Have Own Export License | ||
About Beijing United Information Technology Co., Ltd.
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 of industrial products and raw materials for related industries. In terms of business model, it is called "the industrial version of Pinduoduo" and "the industrial version of JD.com".
About Beijing TDD E-commerce Co., Ltd.
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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 Internetplatform of Duoduo Series Platforms. The company mainly engages in B28 e-commerce transaction serices of raw material and industrial products, digital supply chain serices, industrial digitalization serices and industrial big data serices, 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 block chain, etc.
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of quot&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. |
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Our Advantages:
Rich Experience-over 20 years in industry field
Ranges of products categories with quality guarantee
Competitive&Favourable price
7*24hours thoughtful pre-sale, on-sale, after-sale service
Overseas warehouse with all time delivery
Our services:
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 it′s primary business, focusing on promoting the deep integration between new technology and traditional industry, such as Internet, Internet of things, big data, intelligent manufacturing and blockchain.
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