Basic information
- Standard SMILES
O=S([O-])O.O=S([O-])O.[Mg+2]- InChIKey
LPHFLPKXBKBHRW-UHFFFAOYSA-L- Molecular formula
- Mg(HSO3)2
- Average molar mass
- 186.45 g/mol
Overview
Magnesium bisulfite solution appears as an aqueous solution of magnesium hydrogen sulfite. Corrosive.
Names & identifiers
- Preferred name
- Magnesium bisulfite
- IUPAC
- magnesium hydrogen sulfite
Names & synonyms
Magnesium bisulfite13774-25-92B0YA3FN2SRefChem:155175237-403-8magnesium;hydrogen sulfitemagnesium bisulphiteMagnesiumhydrogensulfitUNII-2B0YA3FN2SSCHEMBL625076Magnesium dihydrogen disulphiteSCHEMBL2042516
Show more names
LPHFLPKXBKBHRW-UHFFFAOYSA-LEINECS 237-403-8EC 237-403-8Q16532724
Database identifiers
- CAS
13774-25-9- PubChem CID
- 10130272
- UNII
- 2B0YA3FN2S
- EC Number
- 237-403-8
Properties
Computed structural properties
- Topological polar surface area
- 159 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 8
- Rotatable bonds
- 0
- Heavy atoms
- 9
- Formal charge
- 0
- Complexity
- 24.8
Experimental & physicochemical properties
Physical DescriptionMagnesium bisulfite solution appears as an aqueous solution of magnesium hydrogen sulfite. Corrosive.
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 2.5% (1 of 40) of reports.
Danger
H290 (97.5%): May be corrosive to metals [Warning Corrosive to Metals]
P234, P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P390, P405, P406, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 40 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory InformationStatus: Active Update: 20-12-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/11926
DOT LabelCorrosive
Fire HazardsExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
Health HazardsExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
Reactive GroupSulfite and Thiosulfate Salts
Reactivity AlertsStrong Reducing Agent
Reactivity Profile
MAGNESIUM BISULFITE SOLUTION generates gaseous toxic sulfur dioxide in contact with oxidizing acids and nonoxidizing acids. Reacts with oxidizing agents to generate heat and products that may be flammable, combustible, or otherwise reactive. Can react explosively with strong oxidizing agents.
Air and Water ReactionsAn aqueous solution.
Hazard Classes and CategoriesMet. Corr. 1 (97.5%)
Safety & protection
Fire FightingExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
First AidExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
Nonfire Spill ResponseExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
Isolation and EvacuationExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
Personal Protective Equipment (PPE)Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
Related reactions
10 records
Linked notes
Loading…