Note: Ingredients listed on restricted chemical lists
EC/CAS
7631-90-5
Name of the chemical
Sodium hydrogensulphite; Sodium bisulphite
Concentration
>= 60 - <= 100
General Information
Version
6.16
Revision date
2025-12-24
Product name
Sodium bisulfite
CAS No.
7631-90-5
1.2.1 Relevant identified uses
For R&D use only. Not for pharmaceutical, household or other uses
Emergency telephone
+61 2 9037 2994
Icons in SDS
Company Information
company name
Merck Life Science Pty Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
customersupport.anz@merckgroup.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H302
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
GHS Classification Acute toxicity (Oral) Category 4
Signal word
Warning
Hazard statements
H302 Harmful if swallowed.
Supplemental label elements
AUH031 Contact with acids liberates toxic gas.
Prevention
P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this prod- uct.
Response
P301 + P312 + P330 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Rinse mouth.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
Other hazards which do not result in classification
None known.
2.1 Classification of the substance or mixture
Acute toxicity (Oral)
