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CAS No 39409-82-0 , pentamagnesium Search by region : India

  • Name: pentamagnesium
  • Synonyms: pentahydrate; 39456-66-1;AC1MC4GX;dihydroxide; 8014-98-0; UNII-YQO029V1L4;pentamagnesium; 1319-50-2; Pentamagnesium Tetracarbonate Dihydroxide Pentahydrate;tetracarbonate;
  • CAS Registry Number:
  • Flash Point: 169.8°C
  • Boiling Point: 333.6°Cat760mmHg
  • Density: 2.16
  • Safety Statements: S22;S24/25
  • Flash Point: 169.8°C
  • EINECS: 235-192-7
  • Molecular Weight: 485.65168
  • InchiKey: SXKPPTNZIUYFJR-UHFFFAOYSA-D
  • InChI: InChI=1S/4CH2O3.5Mg.7H2O/c4*2-1(3)4;;;;;;;;;;;;/h4*(H2,2,3,
    4);;;;;;7*1H2/q;;;;5*+2;;;;;;;/p-10
  • Risk Statements: S22;S24/25
  • Molecular Formula: C4H12Mg5O19
  • Molecular Structure:CAS No:39409-82-0 pentamagnesium

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39409-82-0 Magnesium carbonate tetrahydrate, Reagent Grade, MgO ^=40-43.5%

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References of pentamagnesium
Title: Magnesium Carbonate Hydroxide
CAS Registry Number: 39409-82-0
CAS Name: Carbonic acid, magnesium salt (1:1), mixt. with magnesium hydroxide, hydrate
Trademarks: Marinco C
Literature References: Usually a basic carbonate, approx (MgCO3)4.Mg(OH)2.5H2O; approx mol wt 485; contains 40-42% MgO. Prepn of various hydrates: Pond, Heneghan, US 3169826 (1965 to Merck & Co.). Magnesium carbonate minerals include magnesite and lansfordite.
Properties: White, odorless, bulky powder or light friable masses; at about 700° is converted into MgO. Sol in about 3300 parts CO2-free water; more sol in water contg CO2; sol in dil acids with effervescence. Insol in alcohol. Imparts slight alkaline reaction to water.
 
Derivative Type: Hydrotalcite
CAS Registry Number: 12304-65-3
Trademarks: Altacite (HMR); Hi-Ti (Kyowa); Nacid (Shionogi); Talcid (Bayer)
Literature References: an aluminum magnesium hydroxide carbonate hydrate of the general formula Al2O3.6MgO.CO2.12H2O. Prepn: Kumuru et al., US 3539306 (1970 to Kyowa).
 
CAUTION: Potential symptoms of overexposure to magnesite are irritation of eyes, skin, respiratory system; cough. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 188.
Use: Fireproofing, heat insulating; preparing effervescent magnesium citrate; clarifying liqs by filtration; in tooth and face powders, in polishing compds; manuf mineral waters, pigments, paper; filler for rubber.
Therap-Cat: Magnesium carbonate hydroxide as antacid, cathartic; hydrotalcite as antacid.
Therap-Cat-Vet: Laxative.
Keywords: Antacid; Laxative/Cathartic.