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1305-78-8 - Calcium oxide, 99.95% (metals basis) - 10923 - Alfa Aesar

10923 Calcium oxide, 99.95% (metals basis)

CAS-Nummer
1305-78-8
Synonyme

Größe Preis ($) Menge Verfügbarkeit
50g 59,38
250g 237,45
1kg 756,02
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Calcium oxide, 99.95% (metals basis)

MDL
MFCD00010911
EINECS
215-138-9

Chemische Eigenschaften

Formel
CaO
Molmasse
56.08
Form
<10 Micron APS Powder
Schmelzpunkt
2572°
Siedepunkt
2850°
Dichte
3.37
Brechungsindex
1.83
Sensitivität
Air & Moisture Sensitive
Löslichkeit
Slightly soluble in water. Insoluble in methanol

Anwendungen

It is used in cement, glass, steel, paper, chemical and petroleum industries. It acts as a key ingredient in the process of cement making. It is widely used industrially as a dehydrating agent and an absorbent. Further it finds use as a water softener and as a pH regulator for wastewater. It is useful to detect traces of water in hydrocarbons, and in flue-gas desulfurization.

Bemerkungen

It is incompatible with strong oxidizing agents, acids, carbon dioxide, chlorine trifluoride, fluorine, halogens, phosphoruspentoxide, calcium chloride, metal halides, hydrofluoric acid, hydrogen fluoride, ethanol, and boron trifluoride.

Literaturverweise

Granados, M. L.; Poves, M. D. Z.; Alonso, D. M.; Mariscal, R.; Galisteo, F. C.; Moreno-Tosta, R.; Santamaría, J.; Fierro, J. L. G. Biodiesel from Sunflower Oil by Using Activated Calcium oxide. Appl. Catal. G-Environ. 2007, 73 (3-4), 317-326.

Kouzu, M.; Kasuno, T.; Tajika, M.; Yamanaka, S.; Hidaka, J. Active Phase of Calcium Oxide Used as Solid Base Catalyst for Transesterification of Soybean Oil with Refluxing Methanol. Appl. Catal. A-Gen. 2008, 334 (1-2), 357-365.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H318-H315-H335

Causes serious eye damage. Causes skin irritation. May cause respiratory irritation.

Sicherheitshinweise: P261-P280-P305+P351+P338-P304+P340-P310-P362-P312-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,1686
Gefahrenklasse
8
Verpackungsgruppe
III
Harmonized Tariff Code
2825.90
TSCA
Yes
RTECS
EW3100000

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