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Merck
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Key Documents

Safety Information

8.45119

Sigma-Aldrich

Sodium hydrogen sulfite

Synonym(s):

Bisulfite, Sodium bisulfite, Sodium bisulfite solution, Bisulfite

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About This Item

UNSPSC Code:
12352302

vapor pressure

40 hPa ( 20 °C)

Quality Level

pH

4.5 (20 °C in H2O)

mp

-44 °C

density

1.34 g/cm3 at 20 °C

storage temp.

2-30°C

Analysis Note

Colour (visual): yellowish
Appearance of substance (visual): clear
Assay (iodometric): 38.0 - 40.0 %

Regulatory Information

监管及禁止进口产品

Certificates of Analysis (COA)

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