Good Quality Strong Or Weak Phosphorous Acid For 100% Safety Chemical Additives
Chemical formula: H3PO3
Molecular weight: 81.9957
Melting point: 73℃
Water soluble: SOLUBLE
Physical and chemical properties: colorless crystal.
Product use: used as reducing agent, nylon whitening agent, also used as phosphite raw material, pesticide intermediate
|Qualified product||Premium product|
|Total active ingredient content, % ≥||97||98|
|Phosphate salt, %≤||0.6||0.2|
It belongs to the second-class inorganic acid corrosion article, and the dangerous regulation number: GB 8.1 class 81520. UNN0.2854; IMDG CODE 8205 page, class 8.1. It should be stored in a cool, ventilated and dry warehouse. The package is sealed, and it is strictly forbidden to put it upside down when wet, and it cannot be stored and transported together with alkali items, toxic items, H pore forming agents and other corrosive items. It should be protected from rain and sunlight during transportation; ocean transportation cannot be placed on the deck. When loading and unloading, handle it with care, do not roll or turn it upside down, to prevent the package from being damaged. Three plywood drums for export packaging, lined with two layers of polyethylene plastic bags, net weight 50kg per drum. Polyethylene plastic barrels for domestic sales packaging, net weight 30kg per barrel. Or packed in iron drums lined with two layers of polyethylene plastic bags, with a net weight of 25kg per drum. There should be a clear "Corrosive Substance" mark on the package. In case of fire, sand and dry powder can be used to extinguish
Firearms to put out. Toxicity and Protection: See Industrial Phosphoric Acid.
It is the raw material for the manufacture of phosphites, as well as for the manufacture of plastic stabilizers (such as lead dibasic phosphite) and organophosphorus pesticides. Used as a stabilizer for polycarbonate. Also used as an antioxidant for nylon 1010.
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