Sodium bisulfite CAS 7631-90-5

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CAS: 7631-90-5

MF: HNaO₃S

MW: 104.06

Pictograms
Signal word	Warning
Hazard statements	H302: Harmful if swallowed
Precautionary statements	P280: Wear protective gloves/protective clothing/eye protection/face protection. P301+P312: IF SWALLOWED: call a POISON CENTER/doctor/... IF you feel unwell.
Supplementary EUH statements
UN Number	-
WGK	WGK 1
SDS Version	3.0

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Physical Description	White to off-white crystalline powder
Solubility (5% in water)	Clear, colourless to very pale yellow solution
Iron (Fe)	≤ 50ppm
Heavy Metals	≤ 5ppm
Assay (as SO2)	58.5 - 67.4 %
Specification Version	1.1

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