Pesticide Intermediates Phosphorous Acid For The Production Of Fungicides 13598-36-2
Basic Information
Properties: Colorless and easily deliquescent crystals. Garlic.
Density (g/mL, 25/4℃): 1.651
Melting point (oC): 73.6
Boiling point (oC, normal pressure): 200
Auto-ignition point or ignition temperature (oC): not applicable
Solubility: easily soluble in water and alcohol.
Product Parameters
| Exterior | Colorless crystal |
| density | density 1.65g/m3 |
| water absorption | strong hygroscopicity |
| Solubility | easily soluble in water |
| Corrosive | easily soluble in water |
| application | It is widely used as a raw material for the manufacture of phosphites, as a raw material for the manufacture of plastic stabilizers in the plastics industry, as a reducing agent in chemical reactions, and also in the synthetic fiber and pesticide industries. |
1. Stable under normal temperature and pressure
2. Materials to avoid Air Moisture/moisture crystals with garlic smell. Soluble in water and alcohol. Corrosive and can cause burns. Irritating to skin. Soluble in water and alcohol. It is slowly oxidized into orthophosphoric acid in the air, and decomposed into orthophosphoric acid and phosphine (highly toxic) when heated to 180 °C. Phosphorous acid is a dibasic acid, and its acidity is slightly stronger than that of phosphoric acid. It has strong reducibility and can easily reduce Ag ions to metallic silver, and can reduce sulfuric acid to sulfur dioxide. It has strong hygroscopicity and deliquescence, and is corrosive. Can cause burns. Irritating to skin. It is deliquescence when placed in the air and easily soluble in water. Decomposes above 160℃ to generate H3PO4 and PH3
Packaging Types
risk term
R22 - Harmful if swallowed.
R35 - Causes severe burns.
safety term
S26 - After accidental contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear appropriate protective clothing, gloves and goggles or mask.
S45 - In case of accident or feeling unwell, seek immediate medical attention (show its label if possible).
1. As an analytical reagent, such as a reducing agent, it can be used to measure mercury, gold, silver, lead, iodic acid, etc.
2. It is used to prepare phosphite, stabilizer of polycarbonate and antioxidant of 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!
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