potassium sulfite (CAS 10117-38-1) — formula K2O3S, molecular weight 157.88 g/mol; category fine chemicals.
| CAS Number | 10117-38-1 |
|---|---|
| Molecular Formula | K2O3S |
| Molecular Weight | 157.88 g/mol |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Category | Basic Chemical Raw Materials|Antioxidants|Bleaching Agents |
potassium sulfite is a high-value fine compound with CAS registry number 10117-38-1 and molecular formula K2O3S (molecular weight 157.88 g/mol), belonging to the fine chemicals segment of chemical raw materials.
CAS number: 10117-38-1
Its molecular formula K2O3S comprises 2 K, 3 O, 1 S atoms.
Also known as: potassium sulfite · 亚硫酸钾
Category: fine chemicals / food additives / chemical
The CAS registry number of potassium sulfite is 10117-38-1.
Molecular formula K2O3S, molecular weight 157.88 g/mol.
It is also registered under: potassium sulfite, 亚硫酸钾.
Category: Basic Chemical Raw Materials / Antioxidants / Bleaching Agents.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for potassium sulfite (CAS 10117-38-1), compiled from public chemistry databases.
| CAS Number | 10117-38-1 |
|---|---|
| PubChem CID | 24958 |
| Molecular Formula | K2O3S |
| Molecular Weight | 157.88 g/mol |
| IUPAC Name | dipotassium;sulfite |
| InChIKey | BHZRJJOHZFYXTO-UHFFFAOYSA-L |
| UNII (FDA) | 015KZC652E |
| Molecular Weight | 158.26 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 157.88422800 |
| Monoisotopic Mass | 157.88422800 |
| Topological Polar Surface Area | 82.4 |
| Heavy Atom Count | 6 |
POTASSIUM SULFITE; 10117-38-1; Dipotassium sulfite; Potassium sulphite; Sulfurous acid, dipotassium salt; Potassium sulfite (K2SO3); UNII-015KZC652E; Sulfurous acid, potassium salt; HSDB 5052; 015KZC652E; EINECS 233-321-1; DIPOTASSIUM SULPHITE; POTASSIUM SULFITE [MI]; INS NO.225; POTASSIUM SULFITE [FCC]; POTASSIUM SULFITE [HSDB]
| Regulatory & food contact | FDA Substance added to food: Use unspecified ANTIOXIDANT; PRESERVATIVE: Food Additives JECFA ADI: 0-0.7 mg/kg bw TRS 891-JECFA 51/30 FAS 42-JECFA 51/95 CIR / INCI: Cosmetic ingredients (Potassium Sulfite) -> CIR (Cosmetic Ingredient Review) |
|---|---|
| GHS notifications | 81.5% (242 / 297) |
| GHS notifications | 81.5% (242 / 297) |
|---|---|
| Notified hazard statements | H315 (16.5%), H319 (18.2%), H335 (16.2%), H302, H318 |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 亚硫酸钾