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1305-99-3

1305-99-3 Structure

1305-99-3 Structure
IdentificationBack Directory
[Name]

CALCIUM PHOSPHIDE
[CAS]

1305-99-3
[EINECS(EC#)]

215-142-0
[Molecular Formula]

Ca3P2
[MDL Number]

MFCD00015986
[MOL File]

1305-99-3.mol
[Molecular Weight]

182.18
Chemical PropertiesBack Directory
[Appearance]

Calcium phosphide is a gray granular solid or reddish-brown crystalline solid. It has a musty odor, somewhat like acetylene.
[Melting point ]

1600°C
[density ]

2,51 g/cm3
[form ]

granular
[Water Solubility ]

decomposes in H2O to form flammable phosphine [MER06]; insoluble alcohol, ether [HAW93]
[Sensitive ]

Moisture Sensitive
[Merck ]

14,1695
Hazard InformationBack Directory
[Chemical Properties]

Calcium phosphide is a gray granular solid or reddish-brown crystalline solid. It has a musty odor, somewhat like acetylene.
[Uses]

For signal fires; in purification of Cu and Cu alloys; as rodenticide.
[General Description]

CALCIUM PHOSPHIDE appears as red-brown crystals to gray granular lumps. CALCIUM PHOSPHIDE reacts with water to form calcium hydroxide and phosphine, a flammable poisonous gas. Phosphine will normally ignite spontaneously in contact with air. If there is an excess of water this fire of phosphine will not normally ignite surrounding combustible material.
[Reactivity Profile]

CALCIUM PHOSPHIDE and hydrochloric acid undergo a very energetic reaction [Mellor 8:841 1946-47]. Calcium and other alkaline earth phosphides incandesce in oxygen when heated.
[Health Hazard]

Inhalation or ingestion causes faintness, weakness, nausea, vomiting. External contact with dust causes irritation of eyes and skin.
[Fire Hazard]

Behavior in Fire: Can cause spontaneous ignition if wet. Contributes dense smoke of phosphoric acid.
[Hazard]

Dangerous fire risk; decomposed by water to phosphine, which is highly toxic and flammable. See phosphine.
[Potential Exposure]

A strong reducing agent. Forms spontaneously combustible phosphine gas in moist air. Contact with water or acids release phosphine gas, and can cause explosions. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, chlorine monoxide, halogens, halogen acids, oxygen, sulfur
[First aid]

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit
[Shipping]

UN1360 Calcium phosphide, Hazard Class: 4.3; Labels: 4.3-Dangerous when wet material
[Incompatibilities]

A strong reducing agent. Forms spontaneously combustible phosphine gas in moist air. Contact with water or acids release phosphine gas, and can cause explosions. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, chlorine monoxide, halogens, halogen acids, oxygen, sulfur
[Waste Disposal]

Disposal of unused product must be undertaken by qualified personnel who are knowledgeable in all applicable regulations and follow all pertinent safety precautions including the use of appropriate protective equipment. For proper handling and disposal, always comply with federal, state, and local regulations
Safety DataBack Directory
[Hazard Codes ]

F,T+,N
[Risk Statements ]

15/29-28-50
[Safety Statements ]

22-43-45-61-36/37-28
[RIDADR ]

UN 1360 4.3/PG 1
[WGK Germany ]

3
[F ]

10
[HazardClass ]

4.3
[PackingGroup ]

I
[Safety Profile]

Highly toxic due to phosphde, which in presence of moisture emits phosphine. The phosphine may ignite spontaneously in air. Incandescent reaction with oxygen at 300°C. Incompatible with dichlorine oxide. When heated to decomposition it emits toxic fumes of POx. See also CALCIUM COMPOUNDS and PHOSPHIDES.
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Aluminum-->Argon-->Calcium phosphate-->Calcium
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