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China factory supply Boric acid flakes Cas 11113-50-1 And Cas 10043-35-3 large stock with best quality door to door delivery.
product specification
| English name | Boric acid |
| CAS NO. | 11113-50-1/10043-35-3 |
| Density | 1.4±0.1 g/cm³ |
| Melting point | 170.9oC |
| Molecular formula | BH3O3 |
| Molecular weight | 61.833 |
| Exact mass | 62.017525 |
| PSA | 60.69000 |
| LogP | -0.29 |
| Appearance | Liquid |
| Refractive index | 1.385 |
product video
Introduction and property
Introduction
Boric acid is also called "orthoboric acid". It is derived from the interaction between natural borax (sodium borate) and acid. Chemical formula H3BO3. Molecular weight 61.83. White triclinic scales with glossy crystals. The relative density is 1.43514, and the refractive index is 1.337, 1.461, and 1.462. Soluble in water, ethanol Chemicalbook and glycerol. The aqueous solution is acidic and is a monovalent weak acid (Ka=6×10-10). Solubility in water increases with temperature. Heated to 169℃ (±1℃), dehydration will produce metaboric acid, and 300℃ will form boric anhydride. Neutralize with strong alkali to obtain metaborate. Tetraborate is obtained under weakly alkaline conditions.
Property
Preparation method: Hydrochloric acid or sulfuric acid can be added to borax solution, or it can be obtained by decomposing boraxite with hydrochloric acid. Usage: Widely used in the production of borate, water glass, borate ester, optical chemical glass, enamel, paint, pigment, cosmetics, food preservatives, leather finishing, printing and dyeing auxiliaries and medicine, etc. It can also be used as antiseptic disinfectant , astringent.
Tips
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Joyce: +853 66400620
Package
In powder form, the order quantity is less than 25 kg. It is packed in a plastic bag and an aluminum foil bag, and the outermost layer is packed in a carton.
25kg and above, stacked and packaged in a cardboard drum with built-in transparent bags and aluminum foil bags
Some common chemical products are shipped directly in bags.
In liquid form, less than 25 kg. Packed in various types of chemical barrels. High-value products with R&D nature will be shipped in fluorinated bottles.
Products of 25 kg and above will be shipped in 25 kg or 50 kg chemical barrels as the basic unit.
Shipping
Orders placed before 17:00 from Monday to Friday will generally be shipped from the factory to the freight forwarder on the same day (generally not shipped on weekends), and will arrive at the freight forwarder in about three to four days.
The freight forwarder will issue an international tracking number on the day or the next day of arrival.
Depending on the country, we will use different shipping methods. Generally, dedicated lines, logistics and postal services are the main ones, and some will ship to DHL, Fedex, UPS, etc.
Air and sea transportation are the main ones, supplemented by truck transportation and truck transportation. Our transportation is almost all door-to-door services, completing customs clearance between the exporting country and the importing country, except for special circumstances in some countries or regions.
factory & Warehouse
Our factory has a stable annual output of 50,000 tons of raw materials all year round. The production chain and sales chain continue to be saturated. Our warehouse has a large reserve of powder and liquid stocks. We welcome people from all walks of life to support and cooperate.
