CAS 1309-42-8 Magnesium Hydroxide - Materials / Alfa Chemistry

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Magnesium Hydroxide

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Catalog Number

ACM1309428-1

CAS Number

1309-42-8

Product Name

Magnesium Hydroxide

Structure

Category

Nanoparticles; Polymers

Description

Odourless, white bulky powder

IUPAC Name

magnesium;dihydroxide

Molecular Weight

58.32g/mol

Molecular Formula

Mg(OH)2

Canonical SMILES

[OH-].[OH-].[Mg+2]

InChI

InChI=1S/Mg.2H₂O/h;2*1H2/q+2;;/p-2

InChI Key

VTHJTEIRLNZDEV-UHFFFAOYSA-L

Melting Point

350 °C (decomp.);350 °C (decomposes)

Purity

> 99.99%

Density

2.36 g/mL

Solubility

Practically insoluble in water and in ethanol;Soluble in dilute acids;0.0009 G SOL IN 100 CC WATER @ 18 °C; 0.004 G SOL IN 100 CC WATER @ 100 °C; SOL IN AMMONIUM SALTS;Almost insoluble in alcohol

Color/Form

Amorphous powder;White, hexagonal crystals;Granules

Complexity

Covalently-Bonded Unit Count

EC Number

215-170-3

Exact Mass

57.990521g/mol

Form

Nanopowder

Formal Charge

Heavy Atom Count

MeSH Entry Terms

Brucite;Hydrate, Magnesium;Hydroxide, Magnesium;Magnesium Hydrate;Magnesium Hydroxide;Magnesium Hydroxide (Mg(OH)4)

Monoisotopic Mass

57.990521g/mol

Odor

Odorless

Other Experimental

Imparts slight alkaline reaction to water; absorbs CO2 in the presence of water;Opaque, more or less viscous suspension from which water usually separates on standing; alkaline to litmus and phenolphthalein /Milk of Magnesia USP/;Decomposes on heating above 120 °C;Heat of formation: -924.54 kJ/mol; free energy of formation: -833.58 kJ/mol; heat capacity: 77.03 J/mol-K; Mohs' hardness = 2.5;Heat of Formation = -1096 kJ/mol;White, friable masses or bulky, white powder; at about 700 °C is converted to MgO; sol in about 3,300 parts CO2-free water; more sol in water containing CO2; sol in dilute acids with effervescence; insol in alcohol /Magnesium carbonate hydroxide/

Refractive Index

Index of refraction: 1.559, 1.580

Rotatable Bond Count

UNII

NBZ3QY004S

MSDS

Download MSDS

COA

Download COA

Spec Sheet

Download Spec Sheet

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