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33373 Sodium hydrogen arsenate heptahydrate, ACS, 98.0-102.0%

CAS-Nummer
10048-95-0
Synonyme
Arsenic acid disodium salt

Stock No. Größe Preis ($) Menge Verfügbarkeit
33373-06 5g 32,30
33373-14 25g 120,00
33373-22 100g 386,00
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Sodium hydrogen arsenate heptahydrate, ACS, 98.0-102.0%

MDL
MFCD00149179
EINECS
231-902-4

Chemische Eigenschaften

Formel
HAsNa2O4•7H2O
Molmasse
312.01 (185.94anhy)
Form
Crystalline powder
Schmelzpunkt
130° dec.
Dichte
1.88
Storage & Sensitivity
Ambient temperatures.
Löslichkeit
Soluble in water and glycerol.

Qualitätsspezifikationen

Maximum level of impurities: Insoluble matter 0.005%, As2O3 0.01%, Cl 0.001%, NO3 0.005%, SO4 0.01%, Heavy metals (as Pb) 0.002%, Fe 0.001%

Anwendungen

Sodium hydrogen arsenate heptahydrate is used as a source of soluble arsenic and in dyeing and printing with Turkey-red oil. It also acts as a veterinary drug for anti-parasitic, skin diseases, blood diseases, rheumatism and asthma.

Bemerkungen

Incompatible with strong oxidizing agents and strong acids.

Literaturverweise

Hagiwara, K.; Inui, T.; Koike, Y.; Aizawa, M.; Nakamura, T. Speciation of inorganic arsenic in drinking water by wavelength-dispersive X-ray fluorescence spectrometry after in situ preconcentration with miniature solid-phase extraction disks. Talanta 2015, 134, 739-744.

Huang, P. P.; Cao, C. Y.; Wei, F.; Sun, Y. B.; Song, W. G. MgAl layered double hydroxides with chloride and carbonate ions as interlayer anions for removal of arsenic and fluoride ions in water. RSC Adv. 2015, 5 (14), 10412-10417.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H331-H350

Toxic if swallowed. Toxic if inhaled. May cause cancer.

Sicherheitshinweise: P201-P261-P280-P301+P310a-P405-P501a

Obtain special instructions before use. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER/doctor Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Gefahrenklasse
6.1
Verpackungsgruppe
II
Harmonized Tariff Code
2842.90
TSCA
Yes
RTECS
CG0900000

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