National standard industrial phosphorous acid base, self-produced from pin , factory price, high purity! quality! Own warehouse, high quality spot goods, order with delivery, guaranteed service! On delivery door ！ Cost effective ceiling is your first choice for purchasing phosphite!
Top quality products! Since the product was launched on the market, it has been highly recognized by the market with its excellent quality and cost performance. Once it was launched, the supply was short of demand. We have established long-term cooperative relations with many customers! It is the hot selling product of the company, and the high-quality product that makes the enterprise truly feel at ease!
The company is located in Zibo, the ancient capital of Qi, which is a regional central city, a modern industrial city and an important petrochemical base in Shandong Province. Qilu Petrochemical is located here. The company mainly deals in a series of chemical products, and its business scale and product quality rank top. The products have reliable quality and reputation, and are exported to Europe, America, Southeast Asia and other dozens of regions. It has successively established partnerships with Qilu Petrochemical, Dongyue Group, HSBC Petrochemical, Jinling Group, Yankuang Group, Jinyimeng, Hualu Hengsheng, Wanhua Group and other large listed companies.
We strive to create customer satisfaction:
Quality satisfaction: safety production, quality assurance, the company, nearly 40 years of industry market inspection, marketing nationwide!
Satisfied with cost performance: obvious cost performance advantage, ex factory price sales, low profit but quick turnover, and profit sharing with partners!
Satisfied with transportation: the company truck With more than ten years of experience in chemical sales and transportation, our company has set up a professional and fast transportation team. We dare to fight hard and fight bravely. We have built our own logistics team to ensure that your products can be delivered to you safely and quickly!
Satisfied service: We will receive every customer with full enthusiasm, patiently answer your questions, consult, and satisfy every customer and you!
Phosphite 25kg/bag white crystal
Phosphorous acid is an inorganic compound, its chemical formula is H3PO3, and its molecular weight is 82.00.
Easily soluble in water and alcohol. Phosphite is mainly used as reducing agent and nylon whitening agent.
Chinese name Phosphorous acid English name Phosphorous acid Chemical formula H3PO3 Molecular weight 82.00 EINECS Registration No. 237-066-7 Melting point 73.6 ℃ Boiling point 200 ℃ (decomposition) Water soluble Easily soluble in water Density 1.651 (water=1) Appearance white, garlic smell Dangerous goods Transportation No. UN 2834 8/PG 3
Molecular formula: H3PO3
Molecular weight: 82.00
Appearance: colorless crystal
Relative density: 1.651 (water=1)
Melting point: 74 ℃
Boiling point: 200 ℃ (decomposition)
Water dissolution test: clear and colorless
Physical and chemical properties: strong hygroscopicity and deliquescence, easily soluble in water and alcohol.
Production method: hydrolysis method is mainly used. Immediate phosphorus trichloride（ PC L3) It is obtained by hydrolysis, steam refining, cooling, crystallization, hydrochloric acid removal and decolorization.
Packaging, storage and transportation: for export packaging Plywood The drum is lined with two layers of polyethylene plastic bags, and the net weight of each drum is 50kg. Polyethylene plastic drums are used for domestic packaging, each with a net weight of 30kg. Or packed in iron drums lined with two layers of polyethylene plastic bags, each with a net weight of 25kg.
Composition method editing
While stirring, slowly lower the phosphorus trichloride to water and control the dropping speed.
