Zinkbromid

ZnBr2 · ZnBr · Zinc bromide anhydrous · ZINC(II) BROMIDE · Zinc Bromide Powder · Zinc bromide (ZnBr2) · Zinc bromide hydrate · Zinc broMid

https://huagongshe.com/de/chemical/24375

Identifikatoren & physikalische Daten

CAS No.	7699-45-8
Summenformel	Br2Zn
Durchschnittliche Molmasse	225,2 g/mol
SMILES	[Br][Zn][Br]
InChIKey	VNDYJBBGRKZCSX-UHFFFAOYSA-L
PubChem CID	24375
Lokaler Name	Zinkbromid

Chemische & physikalische Eigenschaften

Polarare Oberfläche (TPSA)	0
H-Brücken-Donoren	0
H-Brücken-Akzeptoren	0
Frei drehbare Bindungen	0
Schwere Atome	3
Formalladung	0
Komplexität	2,8
Schmelzpunkt	394 °C (lit.)
Siedepunkt	~670 °C/1 atm (lit.)
Dichte	4.22
Brechungsindex	1.5452
Flammpunkt	650°C
Lagerbedingungen	Store below +30°C.
Löslichkeit	Soluble in alcohol, ether, acetone and tetrahydrofuran.soluble, 447 g/100 mL (20 ºC)
Aggregatzustand	beads
Farbe	White to pale cream
Wichte	4.2012
pH	4 (H2O, 20℃)(saturated solution)
Merck	14,1029
Stabilität	Stable. Forms explosive mixtures with sodium and potassium. Protect from moisture.
Hauptanwendungen	electroplatingmaterial synthesis precursor
InChI	1S/2BrH.Zn/h2*1H/q+2/p-2
InChIKey	VNDYJBBGRKZCSX-UHFFFAOYSA-L
SMILES	Br[Zn]Br
CAS Datenbank	7699-45-8(CAS DataBase Reference)
NIST chemische Informationen	Zinc dibromide(7699-45-8)
EPA chemische Informationen	Zinc bromide (7699-45-8)

Sicherheit & Vorschriften

Minimum Risk Level	Intermediate Oral: 0.3 mg/kg/day (Zinc) (L134) Chronic Oral: 0.3 mg/kg/day (Zinc) (L134)
Treatment	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.
Gesundheitliche Auswirkungen	Chronic exposure to zinc causes anemia, atazia, lethargy, and decreases the level of good cholesterol in the body. It is also believed to cause pancreatic and reproductive damage. 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, L49)
Expositionspfade	Inhalation (L49)oral (L49)dermal (L49)
Toxizitätsübersicht	Anaemia results from the excessive absorption of zinc suppressing copper and iron absorption, most likely through competitive binding of intestinal mucosal cells. Unbalanced levels of copper and zinc binding to Cu,Zn-superoxide dismutase has been linked to amyotrophic lateral sclerosis (ALS). Stomach acid dissolves metallic zinc to give corrosive zinc chloride, which can cause damage to the stomach lining. Metal fume fever is thought to be an immune response to inhaled zinc. 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, L48, L49, A49)
Signs and Symptoms	Ingestion of large doses of zinc causes stomach cramps, nausea, and vomiting. Acute inhalation of large amounts of zinc causes metal fume fever, which is characterized by chills, fever, headache, weakness, dryness of the nose and throat, chest pain, and coughing. Dermal contact with zinc results in skin irritation. 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, L49)
Carcinogen Classification	No indication of carcinogenicity to humans (not listed by IARC).
F	3-21
Wassergefährdungsklasse (WGK)	3
TSCA-Inventar-Status	TSCA listed
UN-Transportnummer	UN 3260 8/PG 3
Zollcode	2827 59 00
RTECS-Nr.	ZH1150000
R-Sätze (R)	34-50/53-50-51/53-43-22
Gefahrensymbole	C,N
Sicherheitshinweise (S)	26-36/37/39-45-60-61-29
Gefahrenklasse	8Acute Tox. 4 OralAquatic Chronic 2Eye Dam. 1Skin Corr. 1BSkin Sens. 1
Verpackungsgruppe	II
Lagerklasse	8B - Non-combustible corrosive hazardous materials
Gefahrstoffdaten	7699-45-8(Hazardous Substances Data)

Herstellung & Synthese

synthetische

Zinc bromide is prepared by mixing barium bromide and zinc sulfate solutions. The product barium sulfate is removed by filtration and the filtrate is evaporated to obtain crystals of zinc bromide: BaBr2 + ZnSO4 → ZnBr2 + BaSO4 Zinc bromide also may be prepared by the action of zinc with hydrobromic acid followed by crystallization.