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SODIUM ARSENATE HEPTAHYDRATE AR/ACS

Sodium arsenate dibasic heptahydrate

Packings

100 g (00100)

250 g (00250)

500 g (00500)

1GBA000120 1GBA000180 1GBA000450
Article No. 05770 Grade AR/ACS
Purity 98% CAS No. 10048-95-0
Molecular Formula Na2HAsO4.7H2O Molecular Weight 312.01
H.S. Code 2842.9010 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 8.5 - 9.0 at 50 g/l at 25 °C
Melting point/ Freezing point [°C] 180 °C Density [g/cm3] 1.87
Solubility in water [% weight] 61g/100ml water @ 150C

Specifications

Appearance White crystalline powder Assay (iodometric) 98.0 - 102.0%
Arsenic (III) oxide Max 0.01% Insoluble matter Max 0.005%
Chloride (Cl) Max 0.001% Sulphate (SO4) Max 0.01%
Nitrate (NO3) Max 0.005% Heavy metal (as Pb) Max 0.002%
Iron (Fe) Max 0.001%

Safety Information and Hazard Symbols

Skull and Crossbones Environment Health Hazard
Symbol: GHS06, GHS08, GHS09
Signal Word: Danger
UN No.: 1685
IMCO Class No.: 6.1
Packing Group: II
Hazardous Statement: H301-H331-H350-H410
Precaution Statement: P201-P261-P273-P301 + P310-P311-P501
Revision Date: 14-Oct-2013

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