Sodium metabisulfite
USP/1614396 - United States Pharmacopeia (USP) Reference Standard
Synonym: Sodium disulfite; Sodium pyrosulfite
CAS Number: 7681-57-4
Empirical Formula (Hill Notation): Na2O5S2
Molecular Weight: 190.11
MDL Number: MFCD00167602
Linear Formula: Na2S2O5
Product Type: Chemical
application(s) | pharmaceutical (small molecule) |
format | neat |
grade | pharmaceutical primary standard |
InChI | 1S/2Na.H2O5S2/c;;1-6(2)7( |
InChI key | HRZFUMHJMZEROT-UHFFFAOYSA |
manufacturer/tradename | USP |
mp | >300 °C (lit.) |
SMILES string | [Na+].[Na+].[O-]S(=O)S([O |
storage temp. | 2-8°C |
Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia ![]() ![]() |
Other Notes: | Sales restrictions may apply. |
Other Notes: | USP issued SDS can be found here ![]() ![]() |
Symbol | ![]() ![]() ![]() ![]() |
Signal word | Danger-Danger |
Hazard statements | H302 - H318 - H302 - H318 |
Precautionary statements | P280 - P264 - P270 - P280 - P301 + P312 + P330 - P305 + P351 + P338 + P310 - P301 + P312 - P305 + P351 + P338 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Supplemental Hazard Statements | EUH031EUH031 |
mp | >300 °C (lit.) |
Storage Temp. | 2-8°C |
UNSPSC | 41116107 |