Potassium Bisulfite (CAS 7773-03-7) — formula HKO3S, molecular weight 119.93 g/mol; category chemical.
Potassium Bisulfite (CAS 7773-03-7) is a chemical raw material in the chemical category. Its molecular formula HKO3S comprises 1 H, 1 K, 3 O, 1 S atoms. Its molecular weight is about 119.93 g/mol. Reported physicochemical data: melting point around Decomp @ 190 °C. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 7773-03-7 |
|---|---|
| Molecular Formula | HKO3S |
| Molecular Weight | 119.93 g/mol |
| Melting Point | Decomp @ 190 °C |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | 典型应用领域：食品配料, 日化原料, 精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥 |
| Category | Preservatives |
Documented applications: 典型应用领域：食品配料, 日化原料, 精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥.
Potassium Bisulfite is a chemical compound with CAS registry number 7773-03-7 and molecular formula HKO3S (molecular weight 119.93 g/mol), belonging to the chemical segment of chemical raw materials.
CAS number: 7773-03-7
Its molecular formula HKO3S comprises 1 H, 1 K, 3 O, 1 S atoms.
Also known as: Potassium Bisulfite · 亚硫酸氢钾
Category: chemical
The CAS registry number of Potassium Bisulfite is 7773-03-7.
Molecular formula HKO3S, molecular weight 119.93 g/mol.
It is also registered under: Potassium Bisulfite, 亚硫酸氢钾.
Recorded applications: 典型应用领域：食品配料, 日化原料, 精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥.
Category: Preservatives.
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 Bisulfite (CAS 7773-03-7), compiled from public chemistry databases.
| CAS Number | 7773-03-7 |
|---|---|
| PubChem CID | 23663620 |
| Molecular Formula | HKO3S |
| Molecular Weight | 119.93 g/mol |
| IUPAC Name | potassium hydrogen sulfite |
| InChIKey | DJEHXEMURTVAOE-UHFFFAOYSA-M |
| UNII (FDA) | QJK5LO891P |
| Molecular Weight | 120.17 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 119.92834655 |
| Monoisotopic Mass | 119.92834655 |
| Topological Polar Surface Area | 79.6 |
| Heavy Atom Count | 5 |
| Melting Point | Decomp @ 190 °C |
|---|
POTASSIUM BISULFITE; Potassium hydrogen sulfite; 7773-03-7; Monopotassium sulfite; QJK5LO891P; Sulfurous acid, potassium salt (1:1); POTASSIUM BISULPHITE; UNII-QJK5LO891P; Potassium sulfite, hydrogen; INS NO.228; DTXSID6064795; POTASSIUM BISULFITE [II]; HSDB 1263; INS-228; POTASSIUM BISULFITE [HSDB]; Sulfurous acid, monopotassium salt
| Regulatory & food contact | FDA Substance added to food: ANTIMICROBIAL AGENT ANTIOXIDANT; PRESERVATIVE: Food Additives JECFA ADI: 0-0.7 mg/kg bw TRS 891-JECFA 51/30 FAS 42-JECFA 51/95 |
|---|
| Notified hazard statements | H319 (100%), H335 (100%) |
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Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 亚硫酸氢钾