Agent Name

Magnesium

CAS Number

7439-95-4

Formula

Mg

Major Category

Metals

Synonyms

UN1869

Category

Elements, Metallic

Description

Silvery solid; [CHRIS]

Sources/Uses

Magnesium is important an essential mineral in the body for enzymatic reactions and neuromuscular function. Magnesium is used in antacids and cathartics. It is used to treat toxemia of pregnancy, some cardiac dysrrhymias, and severe bronchospasm. [Olson, p. 267]

Comments

Elemental magnesium can cause serious skin burns and magnesium fume may cause metal fume fever; [CHEMINFO MSDS] The normal range of serum magnesium is 1.8-3.0 mg/dL. The therapeutic level for toxemia is 5-7.4 mg/dL Sedation and hypotension occur at levels exceeding 8-12 mg/dL. Arrhythmias and muscular paralysis with respiratory arrest occur at levels exceeding 12 mg/dL. Patients with renal insufficiency taking magnesium-containing antacids or cathartics are at risk. [Olson, p. 267-8]

Exposure Assessment
Vapor Pressure

1 mm Hg

Explanatory Notes

Melting Point = 649C (1200F); Boiling Point = 1100C (2012F); [CHEMINFO MSDS] Magnesium powder is spontaneously combustible. [CAMEO]

Flammability (NFPA)

1: Must be preheated

Adverse Effects
Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: