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Substance Name: Magnesium oxide [USP:JAN]
RN: 1309-48-4
UNII: 3A3U0GI71G
InChIKey: CPLXHLVBOLITMK-UHFFFAOYSA-N

Note

  • Magnesium oxide (MgO). An inorganic compound that occurs in nature as the mineral periclase. In aqueous media combines quickly with water to form magnesium hydroxide. It is used as an antacid and mild laxative and has many nonmedicinal uses.

Molecular Formula

  • Mg-O

Molecular Weight

  • 40.304
 

Classification Codes

Classification Codes

  • Antacids
  • Gastrointestinal Agents
  • Human Data
  • Pharmaceutic Aid (Sorbent)
  • Tumor Data

Superlist Classification Codes

  • TWA 10 mg/m3 inhalable fraction; Not classifiable as a carcinogen
  • TWA 15 mg/m3 total particulate

Names and Synonyms

Name of Substance

  • Magnesium oxide
  • Magnesium oxide [USP:JAN]

MeSH Heading

  • Magnesium oxide

Synonyms

  • 100A (oxide)
  • Akro-mag
  • AM 2 (cement additive)
  • Animag
  • Anscor P
  • BayMag
  • Calcined brucite
  • Calcined magnesia
  • Causmag
  • Caustic magnesite
  • CCRIS 3659
  • EINECS 215-171-9
  • Elastomag 100
  • Elastomag 170
  • Fert-O-Mag
  • FloMag HP
  • FloMag HP-ER
  • FMR-PC
  • Granmag
  • Hamag LP
  • Heavy calcined magnesia
  • Heavy magnesia
  • Heavy magnesium oxide
  • HP 10 (oxide)
  • HSDB 1652
  • KM 3 (oxide)
  • KM 40
  • KMACH-F
  • KMB 100-200
  • Kyowaad 100
  • Kyowamag 100
  • Kyowamag 150
  • Kyowamag 150B
  • Kyowamag 20
  • Kyowamag 30
  • Kyowamag 40
  • Kyowamag 60
  • Kyowaway 150
  • Light magnesia
  • Liquimag A
  • Liquimag B
  • Luvatol MK 35
  • Mag Chem 10
  • Mag Chem 10-200
  • Mag Chem 10-325
  • Mag Chem 10-40
  • Mag Chem 200AD
  • Mag Chem 200D
  • Mag Chem 35
  • Magcal
  • Magchem 100
  • Maglite
  • Maglite D
  • Maglite de
  • Maglite K
  • Maglite S
  • Maglite Y
  • Magmilax bolus
  • Magnesa preprata
  • Magnesia
  • Magnesia monoxide
  • Magnesia USTA
  • Magnesium oxide
  • Magnesium oxide (MgO)
  • Magnezu tlenek
  • Magnezu tlenek [Polish]
  • Magox
  • Magox 85
  • Magox 90
  • Magox 95
  • Magox 98
  • Magox OP
  • Marmag
  • Oxymag
  • Periclase
  • Seasorb
  • Seawater magnesia
  • SLO 369
  • SLO 469
  • UNII-3A3U0GI71G
  • Uro-Mag

Systematic Names

  • Magnesium oxide
  • Magnesium oxide (MgO)

Superlist Names

  • Magnesium oxide
  • Magnesium oxide fume
  • Magnesium oxide, fume

Registry Numbers

CAS Registry Number

  • 1309-48-4

FDA UNII

  • 3A3U0GI71G

Other Registry Numbers

  • 1193320-89-6
  • 13589-16-7
  • 185461-91-0
  • 187036-80-2
  • 227961-49-1
  • 52933-73-0
  • 82375-77-7

System Generated Number

  • 0001309484

Structure Descriptors

InChI

InChI=1S/Mg.O

InChIKey

CPLXHLVBOLITMK-UHFFFAOYSA-N

Smiles

O=[Mg]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human TCLo inhalation 400mg/m3 (400mg/m3)   "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2A, Pg. 1745, 1981.