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28-1970

Sodium bisulfite

JIS special grade, 64.0-67.4% SO2 basis

Synonym(s):

Sodium hydrogensulfite

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About This Item

Empirical Formula (Hill Notation):
NaHSO3
CAS Number:
7631-90-5
Molecular Weight:
104.06
UNSPSC Code:
12352302
MDL number:
MFCD00003530
EC Number:
231-548-0
Grade:
JIS special grade
Form:
solid
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grade

JIS special grade

form

solid

availability

available only in Japan

concentration

64.0-67.4% SO2

pH

4.3 (10 g/L)

SMILES string

[Na+].OS([O-])=O

InChI

1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-2

InChI key

DWAQJAXMDSEUJJ-UHFFFAOYSA-L

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pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

supp_hazards

EUH031

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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