Magnesium dihydroxide

Basic Information

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CAS Number

1309-42-8

Molecular Formula

H2MgO2

Molecular Weight

58.32 g/mol

EINECS

215-170-3

Basic Physical Properties

Melting Point

350 °C

Boiling Point

100ºC at 760mmHg

Density

2,36 g/cm3

Water Solubility

0.9 mg/100 mL (18 ºC)

Flash Point

will not burn

Odor

无味

SMILES

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

InChI

InChI=1S/Mg.2H2O/h;2*1H2/q+2;;/p-2

InChIKey

VTHJTEIRLNZDEV-UHFFFAOYSA-L

LogP

-1.380 (est)

Complexity

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Stability

稳定的。

Sensitiveness

Air Sensitive

Toxicity

LD50 oral in rat: 8500mg/kg

Synonyms & References

English

Magnesium hydroxide, Ph.Eur.4, BP2001, USP24, E528
Magnesium hydroxide, min. 95%, 10-15 micron
Magnesium hydrate,high purity flameretardant
Magnesium hyroxide usp25
MAGNESIUM HYDROXIDE, POWDER
MAGNESIUM HYDROXIDE SIGMAULTRA
MAGNESIUM HYDROXIDE REAGENT GRADE 95%
MAGNESIUM HYDROXIDE, NANOPOWDER, 99.9%
Gilumag
MAGGRAN(R) MH
MAGNESIA 87250
MAGNESIUM HYDRATE
MAGNESIUM HYDROXIDE
asahiglass200-06
baschem12
causticmagnesite
combustrol500
FR-20
hydro-magma
K537
ki22-5b
kisuma4af
kisuma5
kisuma5a
kisuma5b
kisuma5bg
kisuma5b-n
kisuma5e
Magnesum hydroxide
MagnesiuM Hydroxide (AS)
magnesium,dihydroxide

MDL Number

MFCD00011104

EC Number

215-170-3

Customs Code

28161000

FAQ

What is Magnesium dihydroxide (CAS: 1309-42-8)?

Magnesium dihydroxide, with the CAS number 1309-42-8, is a white, inorganic compound with the chemical formula Mg(OH)₂. It is a basic, hygroscopic solid that is commonly used as a flame retardant and in various industrial applications. It is also known for its high thermal stability and low toxicity, making it a versatile material in multiple sectors.

What are the main uses of Magnesium dihydroxide (CAS: 1309-42-8)?

Magnesium dihydroxide (CAS: 1309-42-8) is widely used in pharmaceuticals as an antacid and laxative, in the manufacturing of plastics and rubber as a flame retardant, and in food processing as a processing aid. It also serves as a catalyst in chemical reactions and is used in the production of ceramics and coatings due to its thermal stability and chemical inertness.

Is Magnesium dihydroxide (CAS: 1309-42-8) safe?

Magnesium dihydroxide (CAS: 1309-42-8) is generally considered safe when used as directed. It has low toxicity and is non-hazardous in typical exposure scenarios. However, proper handling is still necessary to avoid inhalation or skin contact, especially in industrial settings. Safety standards ensure its safe use in various applications, including pharmaceuticals and food additives.

How should Magnesium dihydroxide (CAS: 1309-42-8) be stored?

Magnesium dihydroxide (CAS: 1309-42-8) should be stored in a cool, dry, and well-ventilated place, away from moisture and strong acids. It is stable under normal storage conditions but should be kept in a sealed container to prevent absorption of atmospheric moisture. Avoid exposure to high temperatures and direct sunlight to maintain its chemical integrity.