BERYLLIUM SULFATE TETRAHYDRATE

Bezeichnung:BERYLLIUM SULFATE TETRAHYDRATE

CAS-Nr7787-56-6

Englisch Name:BERYLLIUM SULFATE TETRAHYDRATE

CBNumberCB1198968

SummenformelBeH8O8S

Molgewicht177.14

MOL-Datei7787-56-6.mol

BERYLLIUM SULFATE TETRAHYDRATE physikalisch-chemischer Eigenschaften

Schmelzpunkt	270℃
Dichte	1.713 g/mL at 25 °C(lit.)
Löslichkeit	insoluble in ethanol
Aggregatzustand	Lumps
Wichte	1.713
Farbe	Colorless, tetragonal crystals
Wasserlöslichkeit	Freely soluble in water. Insoluble in alcohol
Merck	14,1175
Stabilität	Stable.
InChIKey	DIMYTQPLZWDZFE-UHFFFAOYSA-L
CAS Datenbank	7787-56-6(CAS DataBase Reference)
EPA chemische Informationen	Beryllium monosulfate tetrahydrate (7787-56-6)

Sicherheit

Kennzeichnung gefährlicher	T+,N
R-Sätze:	49-25-26-36/37/38-43-48/23-51/53
S-Sätze:	53-45-61
RIDADR	UN 1566 6.1/PG 2
WGK Germany	3
RTECS-Nr.	DS5000000
F	21
TSCA	Yes
HazardClass	6.1
PackingGroup	II
Toxizität	mma-sat 3300 ng/plate ENMUDM 6(Suppl 2),1,84

Gefahreninformationscode (GHS)

BERYLLIUM SULFATE TETRAHYDRATE Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R49:Kann Krebs erzeugen beim Einatmen.
R25:Giftig beim Verschlucken.
R26:Sehr giftig beim Einatmen.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R43:Sensibilisierung durch Hautkontakt möglich.
R48/23:Giftig: Gefahr ernster Gesundheitsschäden bei längerer Exposition durch Einatmen.
R51/53:Giftig für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
S-Sätze Betriebsanweisung:
S53:Exposition vermeiden - vor Gebrauch besondere Anweisungen einholen.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
Chemische Eigenschaften
colourless crystals
Physikalische Eigenschaften
Beryllium sulfate is a colorless crystalline solid with a tetragonal crystal system.The tetrahydrate salt loses water of crystallization on heating to about 110°C to form a dihydrate. Upon heating to 400°C, it then forms the anhydrate. Further heating to 550°C causes decomposition of the anhydrate to BeO and SO2 and O2. Beryllium sulfate is soluble in water, tetrahydrate being more soluble in water (30.5 g/100 ml at 30°C) than the anhydrous salt; both are insoluble in alcohol.
Verwenden
In Industries it is used for beryllium salt making, ceramics and chemical reagents.
Definition
ChEBI: A hydrate of beryllium sulfate containing beryllium (in +2 oxidation state), sulfate and water moieties in the ratio 1:1:4.
synthetische
Beryllium sulfate may be prepared by treating an aqueous solution of any beryllium salt with sulfuric acid, followed by evaporation of the solution and crystallization. The hydrated product may be converted to anhydrous salt by heating at 400°C. The anhydrate may also be prepared by reacting the oxide with SO2 gas at elevated temperature. Its CAS number is 13510-49-1. If the solution method is used, a tetrahydrate forms, (BeOH)2SO4·4H2O whose molecular weight is 177.1462 g/mol with a CAS number of 7787-56-6.
No major commercial application of berylliumsulfate is known and it has not been offered for sale.
Allgemeine Beschreibung
White crystalline solid. Sinks in water and dissolves. Odorless. Highly toxic by inhalation and ingestion.
Air & Water Reaktionen
Water soluble.
Reaktivität anzeigen
Salts, basic, such as BERYLLIUM SULFATE TETRAHYDRATE are generally soluble in water. The resulting solutions contain moderate concentrations of hydroxide ions and have pH's greater than 7.0. They react as bases to neutralize acids. These neutralizations generate heat, but less or far less than is generated by neutralization of the bases in reactivity group 10 (Bases) and the neutralization of amines. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Incompatible with acids.
Brandgefahr
Literature sources indicate that BERYLLIUM SULFATE TETRAHYDRATE is probably nonflammable.
Sicherheitsprofil
Confirmed carcinogen withexperimental carcinogenic data by inhalation. Deadlypoison by subcutaneous and intravenous routes. Humanmutation data reported. When heated todecomposition it emits very toxic fumes of BeO and SOx.
läuterung methode
It crystallises from weak aqueous H2SO4 and is dried in air.

BERYLLIUM SULFATE TETRAHYDRATE Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

7787-56-6, BERYLLIUM SULFATE TETRAHYDRATE Verwandte Suche:

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