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Magnesiumbromid

Magnesium Bromide

HCID 82241
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Grundinformationen

CAS
7789-48-2
Standard-SMILES
[Br-].[Br-].[Mg+2]
InChIKey
OTCKOJUMXQWKQG-UHFFFAOYSA-L
Summenformel
Br2Mg
Durchschnittliche Molmasse
184,11 g/mol

Überblick

Magnesium bromide is a chemical compound of magnesium and bromine. It is often used as a mild sedative and as an anticonvulsant for treatment of nervous disorders. Bromine is a halogen element with the symbol Br and atomic number 35. Diatomic bromine does not occur naturally, but bromine salts can be found in crustal rock. (L625, L657)

Namen und Bezeichner

Bevorzugter Name
Magnesium Bromide
IUPAC
magnesium dibromide
Lokaler Name
Magnesiumbromid
Englischer Name
Magnesium bromide
Summenformel
Br2Mg
Molmasse
184.11

Namen und Synonyme

Magnesium bromide7789-48-2MgBr2RefChem:155178DTXCID9048069232-170-92VC6P60SLNDTXSID7064865Magnesium bromide (MgBr2)Magnesium bromide, anhydrousmagnesiumbromideMagnesium Dibromide;
Weitere Namen anzeigen
finechemicalMagnesium dibromideMagnesium bromide 98 %magnesiumbromide(mgbr2)Magnesium bromide 7789-48-2Magnesiumbromide,anhydrous,98%
Br2MgMagnesiumbromidmagnesium-bromidemagnesium bromide saltmagnesium(II) bromidestarbld0009615magnesium bromide 6-hydrateSCHEMBL19000

Datenbank-Bezeichner

CAS
7789-48-2
PubChem CID
82241
UNII
2VC6P60SLN
EC Number
232-170-9
Nikkaji
J43.879K

Eigenschaften

Berechnete StruktureigenschaftenWird ergänzt

Polarare Oberfläche (TPSA)
0 Ų
H-Brücken-Donoren
0
H-Brücken-Akzeptoren
2
Frei drehbare Bindungen
0
Schwere Atome
3
Formalladung
0
Komplexität
0

Experimentelle und physikochemische Eigenschaften

Chemical ClassesMetals -> Metals, Inorganic Compounds
CosmeticsViscosity controlling
Physical DescriptionHexahydrate: Colorless or white solid; Highly deliquescent; [Merck Index] Hygroscopic solid; [Sigma-Aldrich MSDS]

Physikochemische Eigenschaften

Schmelzpunkt
711 °C · 711 °C (lit.)
Siedepunkt
1248.47 °C · 1248.47°C (estimate)
Dichte
3.72 g/mL · 3.72 g/mL at 25 °C (lit.)
Löslichkeit
DMSO (Slightly, Heated), Methanol (Slightly), Water (Slightly)
Aggregatzustand
Powder
Farbe
off-white
Wichte
3.72 · 3.72
Wasserlöslichkeit
100 g · g/100g H2O: 100.6 (25°C), 125.4 (100°C); solid phase, MgBr2 ·6H2O [KRU93]
Merck
13 · 13,5681

Sicherheit und Regulatorisches

Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.

GHS-Klassifizierung

GHS Classification · 6 Einträge

This chemical does not meet GHS hazard criteria for 8.2% (4 of 49) of reports.

Warning

H315 (91.8%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 49 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Warning

Gefahrenhinweise

Regulatory Information · 2 Einträge

Chemical: Magnesium bromide (MgBr2)

Magnesium bromide (MgBr2): Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Hazards SummaryA moderate irritant; Targets the CNS and kidney; [Sigma-Aldrich MSDS] See Magnesium chloride. See Bromine.
Hazard Classes and Categories · 2 Einträge

Skin Irrit. 2 (100%)

Skin Irrit. 2 (91.8%)

Toxikologische Informationen

Treatment · 1 Eintrag

EYES: irrigate opened eyes for several minutes under running water. INGESTION: do not induce vomiting. Rinse mouth with water (never give anything by mouth to an unconscious person). Seek immediate medical advice. SKIN: should be treated immediately by rinsing the affected parts in cold running water for at least 15 minutes, followed by thorough washing with soap and water. If necessary, the person should shower and change contaminated clothing and shoes, and then must seek medical attention. INHALATION: supply fresh air. If required provide artificial respiration.

Chemie und Industrie

Pharmakologische Informationen

Metabolism/Metabolites · 1 Eintrag

Bromine is mainly absorbed via inhalation, but may also enter the body through dermal contact. Bromine salts can be ingested. Due to its reactivity, bromine quickly forms bromide and may be deposited in the tissues, displacing other halogens. (L626)

Verwendung und Herstellung

UsesUsed in organic syntheses; Has been used as a therapeutic sedative and anticonvulsant; [Merck Index]
Use ClassificationCosmetics -> Viscosity controlling
General Manufacturing InformationMagnesium bromide (MgBr2): ACTIVE
Anwendungen · 1 Eintrag

OccurrenceMagnesium bromide occurs in seawater, some mineral springs, natural brines, inland seas and lakes such as the Dead Sea and the Great Salt Lake, and salt deposits such as the Stassfurt deposits. In seawater, it is the primary source of bromine. By the action of chlorine gas upon seawater or seawater bitterns, bromine is formed. 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.

Darstellung · 1 Eintrag

synthetischeMagnesium 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

Zugehörige Reaktionen

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Reaktionsaufzeichnung erstellen
Reaktionsgleichung von HRID 2544
HRID 2544als Eduktuspto-grants-1998_03
Reaktionsgleichung von HRID 20201
HRID 20201als Eduktuspto-grants-2010_06
Reaktionsgleichung von HRID 21566
HRID 21566als Eduktuspto-grants-1995_06
Reaktionsgleichung von HRID 22488
HRID 22488als Eduktuspto-grants-1995_06
Reaktionsgleichung von HRID 30453
HRID 30453als Eduktuspto-grants-2008_09
Reaktionsgleichung von HRID 33039
HRID 33039als Eduktuspto-grants-2008_09
Reaktionsgleichung von HRID 226385
HRID 226385als Eduktuspto-grants-2009_07
Reaktionsgleichung von HRID 226437
HRID 226437als Eduktuspto-grants-2009_07
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Stabilität
hygroscopic
Kosmetik-Inhaltsstoffe Funktionen
VISCOSITY CONTROLLING
InChI
InChI=1S/2BrH.Mg/h2*1H;/q;;+2/p-2
InChIKey
OTCKOJUMXQWKQG-UHFFFAOYSA-L
SMILES
[Mg+2].[Br-].[Br-]
CAS Datenbank
7789 · 7789-48-2(CAS DataBase Reference)
NIST chemische Informationen
Magnesium dibromide(7789-48-2)
EPA chemische Informationen
Magnesium bromide (MgBr2) (7789-48-2)
Health Effects · 1 Eintrag

Bromine vapour causes irritation and direct damage to the mucous membranes. Elemental bromine also burns the skin. The bromide ion is a central nervous system depressant and chronic exposure produces neuronal effects. This is called bromism and can result in central reactions reaching from somnolence to coma, cachexia, exicosis, loss of reflexes or pathologic reflexes, clonic seizures, tremor, ataxia, loss of neural sensitivity, paresis, papillar edema of the eyes, abnormal speech, cerebral edema, delirium, aggressiveness, and psychoses. (L625, L626, L627)

Adverse EffectsNeurotoxin - Other CNS neurotoxin
Exposure RoutesOral (L626) ; inhalation (L626) ; dermal (L626)
Toxicity Summary · 1 Eintrag

Bromine is a powerful oxidizing agent and is able to release oxygen free radicals from the water in mucous membranes. These free radicals are also potent oxidizers and produce tissue damage. In additon, the formation of hydrobromic and bromic acids will result in secondary irritation. The bromide ion is also known to affect the central nervous system, causing bromism. This is believed to be a result of bromide ions substituting for chloride ions in the in actions of neurotransmitters and transport systems, thus affecting numerous synaptic processes. (L626, L627, A543)

Signs and Symptoms · 1 Eintrag

Bromine vapour causes irritation and direct damage to the mucous membranes. Symptoms include lacrimation, rhinorrhoea, eye irritation with mucous secretions from the oropharyngeal and upper airways, coughing, dyspnoea, choking, wheezing, epistaxis, and headache. The bromide ion is a central nervous system depressant producing ataxia, slurred speech, tremor, nausea, vomiting, lethargy, dizziness, visual disturbances, unsteadiness, headaches, impaired memory and concentration, disorientation and hallucinations. This is called bromism. (L626, L627)

Carcinogen ClassificationNo indication of carcinogenicity to humans (not listed by IARC).

Sicherheitsdaten

wgk
1
tsca
TSCA listed
hs_code
28275900
risk_code
36/37/38
hazard_code
Xi
safety_code
26-36
Speicherklasse
11 - Combustible Solids

Vor- und nachgelagerte Produkte

Vorgelagerte Rohstoffe

MagnesiumhydroxidDimethoat (ISO)

Nachgelagerte Produkte

DimethylmethoxymalonatNatriumbromid