Magnesium bromide hexahydrate

Bezeichnung:Magnesium bromide hexahydrate

CAS-Nr13446-53-2

Englisch Name:Magnesium bromide hexahydrate

CBNumberCB1733222

SummenformelBr2H2MgO

Molgewicht202.13

MOL-Datei13446-53-2.mol

Magnesium bromide hexahydrate physikalisch-chemischer Eigenschaften

Schmelzpunkt	165 °C
Dichte	2 g/mL at 25 °C(lit.)
storage temp.	Hygroscopic, Room Temperature, under inert atmosphere
Löslichkeit	Methanol, Water
Aggregatzustand	Crystalline Powder
Farbe	White
Wichte	2
Wasserlöslichkeit	soluble
Sensitive	Hygroscopic
Stabilität	Very Hygroscopic
InChI	InChI=1S/2BrH.Mg.H2O/h2*1H;;1H2/q;;+2;/p-2
InChIKey	OTCKOJUMXQWKQG-UHFFFAOYSA-L
SMILES	[Mg](Br)Br.O
CAS Datenbank	13446-53-2(CAS DataBase Reference)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38
S-Sätze:	26-37/39
WGK Germany	3
F	3
TSCA	Yes
HS Code	28275900
Speicherklasse	11 - Combustible Solids
Hazard Classifications	Eye Irrit. 2 Skin Irrit. 2 STOT SE 3

Gefahreninformationscode (GHS)

Magnesium bromide hexahydrate Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
Chemische Eigenschaften
Magnesium Bromide Hexahydrate which crystallizes from an aqueous solution at temperatures above 0°C, is highly hygroscopic and isomorphous with MgCl2·6H2O. Magnesium Bromide has two different forms - anhydrous and hexahydrate forms. It appears as white hygroscopic crystals in the anhydrous form and as colorless monoclinic crystals in the hexahydrate form.
Verwenden
Magnesium bromide occurs in sea water, surface and subterranean brines, and salt deposits. It is an electrolyte component in certain dry cells. In medicine, it is a sedative and anticonvulsant for treatment of nervous disorder. It also is used in organic synthesis forming several addition compounds.
Application
Magnesium bromide hexahydrate is used as flame retardant. Used as source of magnesium ion and a co-factor for many enzymes including deoxyribonuclease (DNase) and various restriction enzymes.
synthetische
Magnesium bromide is prepared by treating MgO with hydrobromic acid and then crystallization above 0.0°C in solution. The product is the hexahydrate salt:
MgO＋2HBr→MgBr2＋H2O→MgBr2·6H2O
The anhydrous form may also be prepared by heating the hexahydrate with dry HBr gas. This compound can also be formed directly from the elements:
Mg＋Br2→MgBr2
Vorbereitung Methode
It is also formed by the reaction of magnesium carbonate and hydrobromic acid. The solubility of magnesium bromide is 101 g/ 100 mL of water at 20 °C; the solubility of the hexahydrate is 160 g/ 100 mL of 95% ethanol at 20 °C.

Magnesium bromide hexahydrate Upstream-Materialien And Downstream Produkte

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