Good Quality Strong Or Weak Phosphorous Acid For 100% Safety Chemical Additives
Basic Information
AS:13598-36-2
EINECS:237-066-7
Chemical formula: H3PO3
Molecular weight: 81.9957
inchi:InChI=1/3H2O.H3P/h3*1H2;1H3/q;;;+3/p-3
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
Product Parameters
Project | Indicator | |
Qualified product | Premium product | |
Total active ingredient content, % ≥ | 97 | 98 |
Chloride, %≥ | 0.02 | 0.01 |
Phosphate salt, %≤ | 0.6 | 0.2 |
Phosphate, %≤ | 0.01 | 0.008 |
Sulfate, %≤ | 0.01 | 0.008 |
Iron, %≤ | 0.005 | 0.001 |
Lead, %≤ | 0.005 | 0.001 |
Packaging Types
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.
Company Profile
Wuxi High Mountain Hi-tech Development Co., Ltd is a professional industrial company engaged in special
chemical production, technology research & development, and import & export. The company focuses on
the production, trade, and research & development of various chemical products.
Since establishment, the company has been concentrating on constructing an international marketing
network and optimizing supply chain management, where we have established a long-term strategic
cooperation relationship with numerous large enterprises at home and abroad. Relying on our wide business
channels and professional experience, we are more skillfully providing products of stable but differentiated
quality, along with flexible, highly efficient & considerate service to satisfy our partner at more competitive pricing.
Efficiently treating our customers as partners with sincerity, specialization and satisfaction is our managerial
principle. Attributed to the backup of a dedicated technical team, filled with wide and profound knowledge
and practice in chemicals and world trade for 20 years, the company owns rich experience in product quality
control, technical solution, chemical logistics organization, packaging optimization, port operation, etc., which
accounts for its first-class cost control management and ensures to maintain the overwhelming competitive
advantage over others. In line with the principle of sharing the preferential cost and joint development, the
company has formed an interesting community for years with its customers at home and abroad. Sincerely
to build up a pleasant mutual trust, cooperative, win-win, and value-added sustainable partnership is what
we are achieving to grow together with you!
![]() |
![]() |
![]() |
![]() |