Basic chromic sulfate

Bezeichnung:Basic chromic sulfate

CAS-Nr39380-78-4

Englisch Name:Basic chromic sulfate

CBNumberCB8502348

SummenformelCrH3O12S3

Molgewicht343.20772

MOL-Datei39380-78-4.mol

Basic chromic sulfate physikalisch-chemischer Eigenschaften

Schmelzpunkt	90°C
Dichte	1.7
Aggregatzustand	Solid
Farbe	Green Crystalline
Geruch (Odor)	Odorless
Säure-Base-Indikators(pH-Indikatoren)	1.5 - 2.5
Wasserlöslichkeit	Soluble in water
CAS Datenbank	39380-78-4(CAS DataBase Reference)
EPA chemische Informationen	Chromium hydroxide sulfate (Cr(OH)(SO4))(39380-78-4)

Sicherheit

Kennzeichnung gefährlicher	C
R-Sätze:	34
S-Sätze:	26-36/37/39-45
RIDADR	UN1759 8/PG 2
RTECS-Nr.	GB6240000
PackingGroup	II
Toxizität	mouse,LD50,oral,2900mg/kg (2900mg/kg),BEHAVIORAL: ATAXIABEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)BEHAVIORAL: IRRITABILITY,Toksikologicheskii Vestnik. Vol. (2), Pg. 34, 1998.

Gefahreninformationscode (GHS)

Basic chromic sulfate Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R34:Verursacht Verätzungen.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
Beschreibung
Basic chromic sulfate, chromium(III) sulfate, or chromic sulfate, is a chemical compound with the formula Cr(OH)SO4. It is derived from the reaction between chromium(III) oxide (Cr2O3) or chromium(III) hydroxide (Cr(OH)3) and sulfuric acid (H2SO4). Basic chromium sulfate (Basic chromic sulfate) is primarily used in the tanning industry as a tanning agent and a leather preservative. It plays a crucial role in converting raw hides or skins into leather. The compound helps to cross-link collagen fibers, making the leather more stable, resistant to decomposition, and less susceptible to shrinkage. It also enhances the leather's ability to resist water and impart a soft texture.
Verwenden
Basic chromic sulfate is primarily used in the tanning industry as a tanning agent and a leather preservative. It is also employed in other applications, including:
Dyestuff and Pigment Production: It serves as a mordant, a substance that enhances the affinity of dyes or pigments for textile fibers. It helps to fix dyes onto fabrics and improve colorfastness.
Wood Preservation: Basic chromium sulfate is used as a preservative to protect timber from decay, fungal growth, and insect attacks. It is applied by pressure treatment or dipping to extend the lifespan of wood used in outdoor applications.
Corrosion Inhibition: It is sometimes used as a corrosion inhibitor in cooling water systems, particularly in the automotive and aerospace industries. It helps to prevent the formation of rust and protect metal surfaces.

Basic chromic sulfate Upstream-Materialien And Downstream Produkte

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