Hebei Nengqian Chemical Import and Export Co., LTD
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China (Mainland)
Business Type:Trading Company
Tel: +86 13910575315
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Tel: +86 13910575315
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URL: http://hbnq1.com/
Province/state: Hebei
City: Handan
Street: Congtai District, La Defense North
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CAS NO.546-93-0
food grade(1-9)Metric Tonfood grade(10-99)Metric Ton
Magnesium carbonate is an inorganic substance with the chemical formula MgCO3, molecular weight 84.31 and relative density 3.037 [1]. White granular powder. It breaks down at 350℃ and loses carbon dioxide at 900℃. Slightly dissolves in cold water and slowly dissolves in acid. The trihydrate is a colorless acicular crystal with a melting point of 165℃ and a relative density of 1.850. The pentahydrate is a white monoclinic crystal with a relative density of 1.73 and is decomposed by heating in air. Hydrate can be obtained by adding carbon dioxide into magnesium brine solution and sodium carbonate at the same time. Anhydrous can be obtained by drying the hydrate at below 50℃.
Properties and stability： In normal temperature, it's with three hydrates. Light one is white, easily fragile or loose white powder. Odorless. Relative density is 2.2. Melting point is 350ºC. It's stable in the air. When heated to 700ºC, it will become magnesium oxide. It's hardly soluble in water, but it'll bring a slight alkaline reaction. It can not be soluble in ethanol but it could be soluble in olefine acid with sparkling.Is basic hydrated magnesium carbonate or normal hydrated magnesium carbonate. Because of the different conditions of crystallization, the product has light and heavy quality, generally light. At room temperature, it is sanshui salt. Light for white easily fragmentary or loose white powder. Odourless. It's stable in the air. When heated to 700℃, carbon dioxide is released and magnesium oxide is produced. Almost insoluble in water, but causes a slight alkaline reaction in water. Insoluble in ethanol, soluble by dilute acid and foaming.
Application：
It is mainly used for Rubber, Shoes, Painting, Pigment, Ceramics, Glaze, Ink, Cosmetic Goods, Pharmaceutical production：
2. Neutralizing gastric acid, used for gastric and duodenal ulcers.
3. Alkaline agent, desiccant, color protection agent, anti-caking agent, carrier, leavening agent and acidity regulator. EEC is intended for: table salt, powdered sugar, acidic cream, milk, ice cream, biscuits. Used to prepare chemical leavening agent. Residues in food should not be greater than 0.5% (Japan). Used to prevent salt caking, adding 0.1% ~ 0.3%.
Specifications:
Packing: 25kgs paper bag or customized package.
STORAGE: Store in dry and ventilated house away from moisture. Don't store in goods yards or expose to the air. Protect the material from rain when loading and unloading. Be sure to keep the package dry and free from contaminant.
Our Service:
1. Fast Delivery: We can delivery within 24 hours upon receipt of your payment.
2. Quality can be promised. Hot sell to Worldwide.
3. Payment Terms: T/T,, t/t
4. Free Sample available at any time.
5. Tracking your order at any time. Inform your order's further new situation at any time.
6. Package: Professional packing with professional materials.
Our company specializes in processing and selling chemical raw materials, chemical products, pharmaceutical intermediates, veterinary medicine intermediates, dye intermediates, pigments, cosmetics raw materials and chemical reagents,
Our company has a number of sales team, service and information feedback vertical integration of a sound marketing network, products are sold throughout the country and exported to South Asia, Europe, America, Africa and other more than 20 countries and regions.
Companies adhering to the "pursuit of quality, innovation and development" business philosophy, to serve as a foundation, for the survival by the quality, seek development by science and technology, adhere to quilty comes first,fair price,good sense of customer service and responsibility. in the future hebei Nengqian import and export trade Co.,Ltd will always hold "integrity, innovation" business philosophy, to achieve honesty management, on the way of specialization, internationalization, Keep moving!
FAQ:
1. Are you a trade company or factory
We are a factory with our own trading company.
6. Can i get some samples
Yes, we can supply free sample, but the shipping cost be paid by our customers.
7. How to start orders or make payments
Proforma invoice will be sent first after confirmation of order, enclosed our bank information.Payment by T/T,
8. How to confirm the Product Quality before placing orders
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
You can send us your product specifications and requests,we will manufacture the products according to your requests.
9. How long is lead time
We deliver goods within 3 days for small order, 7-10 days for bulk order.
10. How do you treat quality complaint
First of all, our quality control will reduce the quality problem to near zero. If there is a realquality problem caused by us, we will send you free goods for replacement or refund your loss.