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Aluminum Phosphide

Aluminum Phosphide

Basic Information

CAS No.: 20859-73-8
Molecular Formula: AlP
Molecular weight: 57.96

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Product Details

Aluminum phosphide, is a binary salt, one of the NCHP acronyms (see Chapter 2). These salts have the specific hazard of giving off poisonous and pyrophoric phosphine gas when in contact with moist air, water, or steam. They will also ignite spontaneously upon contact with air. This compound is composed of gray or dark yellow crystals and is a dangerous fire risk. Aluminum phosphide decomposes upon contact with water and has a specific gravity of 2.85, which is heavier than water.


Chemical Properties

PropertyValue

Melting point

2000℃

Density

2.42

Solubility

Reacts with H2O

Form

Green or yellow cubic crystals

Color

Green or yellow

Water Solubility

Reacts with H2O to produce phosphine [MER06]

Crystal Structure

Cubic, Sphalerite Structure - Space Group F(-4)3m

Stability

Flammable solid. Contact with acids liberates highly toxic gas (phosphine). Incompatible with acids, moisture, oxidizing agents.

CAS DataBase Reference

20859-73-8(CAS DataBase Reference)

NIST Chemistry Reference

Aluminum monophosphide(20859-73-8)

EPA Substance Registry System

Aluminum phosphide (20859-73-8)


Safety Information
PropertyValue

Hazard Codes

F,T+,N

Risk Statements

15/29-28-32-50

Safety Statements

3/9/14-30-36/37-45-61

RIDADR

1397

HazardClass

4.3

PackingGroup

I

Hazardous Substances Data

20859-73-8(Hazardous Substances Data)


Product Usage

Aluminum phosphide is a highly effective inorganic phosphide primarily utilized as a broad-spectrum fumigant for pest control. Its primary application is in the protection of stored grains, such as wheat, rice, and corn, where it releases phosphine gas upon contact with atmospheric moisture to eliminate insects and rodents. In the logistics and tobacco industries, it is widely used for the fumigation of warehouses, shipping containers, and raw tobacco to prevent infestations. Additionally, it is employed in agriculture as a potent rodenticide for controlling burrowing pests in fields and orchards. Due to its high toxicity, it is valued for leaving no harmful residues on treated food commodities when used according to professional protocols.

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