Agent Name

Magnesite

Alternative Name

Magnesium carbonate

CAS Number

546-93-0

Formula

C-O3.Mg

Major Category

Metals

Synonyms

Apolda; C.I. 77713; CI 77713; Carbonate magnesium; Carbonic acid, magnesium salt (1:1); DCI light magnesium carbonate; Destab;GP 20 (carbonate); Gold Star (carbonate); Hydromagnesite; Kimboshi; MA 70 (carbonate); Magfy; Magmaster; Magnesite; Magnesium carbonate; Magnesium carbonate (1:1); Magnesium carbonate (MgCO3); Magnesium(II) carbonate (1:1); Stan-mag magnesium carbonate; [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

White, odorless, crystalline powder; [NIOSH]

Sources/Uses

Magnesium carbonate is added to table salt, and it is used as an antacid. [ACGIH] Used to make other compounds in the paint, ink, fireproofing, flooring, polishing, plastics, and rubber industries; [HSDB]

Comments

Documentation and TLV withdrawn in 2006 because of insufficient data; [ACGIH] "Symptoms: Irritation eyes, skin, respiratory system; cough"; [CAMEO] See "Magnesium carbonate hydroxide."

Exposure Assessment
PEL (OSHA)

15 mg/m3(total dust), 5 mg/m3(respirable fraction)

Explanatory Notes

Adopted Documentation and TLVs were withdrawn in 2006 due to insufficient data. [ACGIH]

Links to Other NLM Databases
Health Studies

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