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497-19-8 - Sodium carbonate, anhydrous, ACS, 99.5% min - 11552 - Alfa Aesar

11552 Sodium carbonate, anhydrous, ACS, 99.5% min

CAS-Nummer
497-19-8
Synonyme

Größe Preis ($) Menge Verfügbarkeit
50g 34,59
500g 41,94
2kg 79,55
Zum Warenkorb hinzufügen Zur Angebotsanfrage hinzufügen Artikel anzeigen

Sodium carbonate, anhydrous, ACS, 99.5% min

MDL
MFCD00003494
EINECS
207-838-8

Chemische Eigenschaften

Formel
Na2CO3
Molmasse
105.99
Form
Granular
Dichte
2.53
Brechungsindex
1.535
Sensitivität
Hygroscopic
Löslichkeit
Soluble in water. Slightly soluble in aq. alcohol. Insoluble in carbon disulphide, acetone, and alkyl acetates.

Anwendungen

Sodium carbonate is commonly used as an inorganic base and a buffer component in several synthetic organic transformations in both chemical industries and research laboratories. Often used as an electrolyte, sodium carbonate acts as a very good conductor in the process of electrolysis. Apart from being used as a common chemical/biological/biotechnological laboratory reagent, it is also used as a water softener in laundering, processing wood pulp, cleaners, and making glass. It can be used for standardization of acids, and qualitative testing of cations. In dyeing with fiber-reactive dyes, sodium carbonate is used to ensure proper chemical bonding of the dye with cellulose fibers.

Bemerkungen

It is hygroscopic in nature, and absorbs moisture from air. On heating, it begins to lose carbon dioxide at about 400 °C.

Literaturverweise

Fang, L.; Duan, X.; Chen, R.; Cheng, F. An effective utilization of the slag from acid leaching of coal-waste: preparation of water glass with a low-temperature co-melting reaction. J Air Waste Manag Assoc. 2014, 64 (8), 887-93.

Okada, T.; Yonezawa, S. Reduction-melting combined with a Na2CO3 flux recycling process for lead recovery from cathode ray tube funnel glass. Waste Manag. 2014, 4 (8), 1470-1479.

Yang, L.; Cao, J.; Jin, Y.; Chang, H. M.; Jameel, H.; Phillips, R.; Li, Z. Effects of sodium carbonate pretreatment on the chemical compositions and enzymatic saccharification of rice straw. Bioresour. Technol. 2012, 124, 283-91.

Allen, J. A.; Halverson-Tamboli, R. A.; Rasenick, M. M. Lipid raft microdomains and neurotransmitter signalling. Nat. Rev. Neurosci. 2007, 8, 128-140.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H319

Causes serious eye irritation.

Sicherheitshinweise: P280-P264-P305+P351+P338-P337+P313

Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention.

Weitere Referenzen

Merck
14,8596
Beilstein
4154566
Harmonized Tariff Code
2836.20
TSCA
Yes
RTECS
VZ4050000

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