Sodium bisulfite
SIGALD/799394 - anhydrous, free-flowing, Redi-Dri™, ACS reagent
Synonym: Sodium hydrogensulfite
CAS Number: 7631-90-5
Empirical Formula (Hill Notation): NaHSO3
Molecular Weight: 104.06
MDL Number: MFCD00003530
Linear Formula: NaHSO3
Product Type: Chemical
The Redi-Dri™ packaging system eliminates the common issue of clumping that is noted with many hygroscopic salts and buffers and provides free-flowing, ready-to- use material at all times.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 799394-100G
This image depicts SKU: 799394-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 799394-500G
This image depicts SKU: 799394-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 799394-1KG
This image depicts SKU: 799394-1KG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 799394-2.5KG
This image depicts SKU: 799394-2.5KG
| anion traces | chloride (Cl-): ≤0.02% |
| cation traces | Fe: ≤0.002% |
| heavy metals (as Pb): ≤0.001% | |
| concentration | ≥58.5% SO2 |
| form | powder |
| grade | ACS reagent |
| anhydrous | |
| impurities | ≤0.005% insolubles |
| InChI | 1S/Na.H2O3S/c;1-4(2)3/h;( |
| InChI key | DWAQJAXMDSEUJJ-UHFFFAOYSA |
| pH | 4.3 (10 g/L) |
| product line | Redi-Dri™ |
| quality | free-flowing |
| Quality Level | 100  |
| SMILES string | [Na+].OS([O-])=O |
| General description: | Sodium bisulfite is an inorganic sodium salt commonly used as a pH adjuster and reductant. It is used as a cheap catalyst for the formation of C-O and C-C bond. |
| Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 1, 2.5 kg in poly bottle |
| Packaging: | 100, 500 g in poly bottle |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 |
| Precautionary statements | P264 - P270 - P301 + P312 - P501 |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Supplemental Hazard Statements | EUH031 |
| UNSPSC | 12352302 |