Sodium sulphite 95.0-100.5% (by iodometry), EMPROVE® ESSENTIAL E221, NF, Ph. Eur., BP, extra pure suitable for use as excipient, SAFC®

: MERCK PRODUCTION CHEMICALS

Sodium sulphite 95.0-100.5% (by iodometry), EMPROVE® ESSENTIAL E221, NF, Ph. Eur., BP, extra pure suitable for use as excipient, SAFC®

: MERCK PRODUCTION CHEMICALS

:7757-83-7

:Na₂SO₃

:MFCD00003503

:2.63 g/cm³ (20 °C)

:126.04 g/mol

:> 500 °C (dec.)

:13,08757

:Ambient

:231-821-4

:01-2119537420-49

Environmentally Preferable:

Assay (Iodometric):
95.0 - 100.5%
Assay (SO₂):
≥48.0%
Identity:
Passes Test
Appearance of Solution:
Passes Test
Thiosulfate (S₂O₃):
≤0.05%
Heavy Metals (as Pb):
≤0.0005%
As (Arsenic):
≤0.0002%
Hg (Mercury):
≤0.0001%
Fe (Iron):
≤0.0005%
Pb (Lead):
≤0.0002%
Se (Selenium):
≤0.00025%
Zn (Zinc):
≤0.0025%
Residual solvents (Ph. Eur./USP/ICH):
Excluded by the Manufacturing Process

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