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7789-12-0 - Sodium dichromate dihydrate, 99% - L14890 - Alfa Aesar

L14890 Sodium dichromate dihydrate, 99%

CAS-Nummer
7789-12-0
Synonyme

Größe Preis ($) Menge Verfügbarkeit
100g 24,82
500g 41,41
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Sodium dichromate dihydrate, 99%

MDL
MFCD00149166
EINECS
234-190-3

Chemische Eigenschaften

Formel
Cr2Na2O7•2H2O
Molmasse
298.00 (261.97anhy)
Schmelzpunkt
100° -2H{2}O
Dichte
2.348
Sensitivität
Hygroscopic
Löslichkeit
Soluble in water. Insoluble in alcohol.

Anwendungen

Sodium dichromate is used as a strong oxidizing agent in organic synthesis. It is used in metal finishing as an aid of corrosion resistance, manufacture of inorganic chromate pigments and in the preparation of colored glass and ceramic glazes. It is used as a mordant for acidic dyes to improve their color-fast properties and as a corrosion inhibitor in undercoats and primers.

Bemerkungen

Keep away from sources of ignition, combustible materials. Do not ingest. Do not breathe dust.

Literaturverweise

Fu, M.; Perlman, M.; Lu, Q.; Varga, C. Pharmaceutical solid-state kinetic stability investigation by using moisture-modified Arrhenius equation and JMP statistical software. Electrochem. Commun. 2015, 107, 370-377.

Padilla, R.; Opazo, C.; Ruiz, M. C. Kinetics of Copper Removal from Sulfidized Molybdenite Concentrates by Pressure Leaching. Metall. Mater. Trans. B 2015, 46 (1), 30-37.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H272-H301-H330-H312-H317-H334-H340-H350-H360-H372-H314-H400-H410

May intensify fire; oxidizer. Toxic if swallowed. Fatal if inhaled. Harmful in contact with skin. May cause an allergic skin reaction. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause genetic defects. May cause cancer. May damage fertility or the unborn child. Causes damage to organs through prolonged or repeated exposure. Causes severe skin burns and eye damage. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Sicherheitshinweise: P221-P210-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P405-P501a

Take any precaution to avoid mixing with combustibles. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). Rinse mouth. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,8609
Gefahrenklasse
5.1
Verpackungsgruppe
II
Harmonized Tariff Code
2841.30
TSCA
Yes
RTECS
HX7750000

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