● 1) General description and application

• Used in the manufacture of organophosphorus compounds and also used as reagents. It is mainly used as the raw material for the manufacture of trichlorfon, methamidophos, acephate and rice fenjing. The pharmaceutical industry is used to produce sulfadiazine (SD) and sulfapentamethoxine (SMD). Condensing agent for naphthols in dye industry. catalyst.

● 2) Property of product

Appearance and Property: colorless and clear fuming liquid. 

Odor: has a special pungent odor.

pH value: It will decompose with water and show strong acidity.

Melting point / freezing point (℃): -111.8

Boiling point, initial boiling point and boiling range (℃): 74.2 

Critical temperature (℃): 286

Relative vapor density (air=1): 4.57 

Relative density (water = 1): 1.57

Heat of combustion (KJ/mol): meaningless. 

Saturated vapor pressure (kPa): 13.33 (21℃)

● 3) Safety instructions

• Yarong Technology has been committed to ensuring the health and safety of customers and employees. Avoid inhaling steam and mist. If direct contact with eyes or skin, immediately rinse with plenty of water and seek medical advice. If accidentally ingested, rinse immediately with water Mouth and seek medical advice. In any case, please wear suitable protective clothing and carefully refer to the product safety data sheet before using this product.

● 4) Handling and transportation instructions

• Packaging method: use clean and dry plastic drum , iron drum , tank trucks and other suitable containers. When plastic drum are used, the lid should be well sealed; when iron drum are used, the drum should be sealed with screw caps, gaskets, etc. The package should be well-sealed and comply with relevant regulations.

• Transportation precautions: transportation vehicles should have dangerous goods transportation signs and install satellite positioning devices with driving record functions. Without the approval of the public security organs, transport vehicles shall not enter the restricted areas of hazardous chemical transport vehicles. During transportation, ensure that the container does not leak, collapse, fall, or be damaged. It is strictly prohibited to mix and transport with strong oxidants, strong bases, acids, water, alcohols, sodium, potassium, metal oxides, food and food additives. Transportation vehicles should be equipped with leakage emergency treatment equipment during transportation. It is not suitable for transportation on rainy days. It should be lightly loaded and unloaded to prevent impact and packaging damage, and take measures to prevent rain, snow and sun. When transporting by road, follow the prescribed route and do not stop in residential areas and densely populated areas.