sulfur dioxide (CAS 7446-09-5) — formula SO2, molecular weight 63.96 g/mol; category food additives.
sulfur dioxide (CAS 7446-09-5) is a chemical raw material in the food additives category. Its molecular formula SO2 comprises 1 S, 2 O atoms. Its molecular weight is about 63.96 g/mol. Reported physicochemical data: melting point around -98.9 °F (EPA, 1998), boiling point around 14 °F at 760 mmHg (EPA, 1998), LogP about 0.1. 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 | 7446-09-5 |
|---|---|
| Molecular Formula | SO2 |
| Molecular Weight | 63.96 g/mol |
| Melting Point | -98.9 °F (EPA, 1998) |
| Boiling Point | 14 °F at 760 mmHg (EPA, 1998) |
| LogP | 0.1 |
| 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 | Antioxidants |
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.
sulfur dioxide is a food-grade compound with CAS registry number 7446-09-5 and molecular formula SO2 (molecular weight 63.96 g/mol), belonging to the food additives segment of chemical raw materials.
CAS number: 7446-09-5
Its molecular formula SO2 comprises 1 S, 2 O atoms.
Also known as: sulfur dioxide · 二氧化硫
Category: food additives
The CAS registry number of sulfur dioxide is 7446-09-5.
Molecular formula SO2, molecular weight 63.96 g/mol.
It is also registered under: sulfur dioxide, 二氧化硫.
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: Antioxidants.
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 sulfur dioxide (CAS 7446-09-5), compiled from public chemistry databases.
| CAS Number | 7446-09-5 |
|---|---|
| PubChem CID | 1119 |
| Molecular Formula | SO2 |
| Molecular Weight | 63.96 g/mol |
| IUPAC Name | sulfur dioxide |
| InChIKey | RAHZWNYVWXNFOC-UHFFFAOYSA-N |
| UNII (FDA) | 0UZA3422Q4 |
| Molecular Weight | 64.07 |
|---|---|
| XLogP3 | 0.1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 63.96190041 |
| Monoisotopic Mass | 63.96190041 |
| Topological Polar Surface Area | 35.1 |
| Heavy Atom Count | 3 |
| Boiling Point | 14 °F at 760 mmHg (EPA, 1998) |
|---|---|
| Boiling Point | -10 °C |
| Boiling Point | -10.05 °C |
| Boiling Point | -10.00 °C. @ 760.00 mm Hg |
| Boiling Point | 14 °F |
| Boiling Point | -10.05 °C @760 [mm Hg] |
| Melting Point | -98.9 °F (EPA, 1998) |
| Melting Point | -75.5 °C |
| Melting Point | -75.48 °C |
| Melting Point | -104 °F |
sulfur dioxide; sulphur dioxide; 7446-09-5; Sulfurous anhydride; Sulfurous oxide; Fermenicide liquid; Sulfurous acid anhydride; Sulfur superoxide; Fermenicide powder; Sulfur oxide (SO2); Schwefeldioxid; Siarki dwutlenek; Sulfur dioxide (SO2); Schwefeldioxyd; FEMA No. 3039; SULFUROXIDE
| Regulatory & food contact | FDA Substance added to food: ANTIMICROBIAL AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, FLAVOR ENHANCER, FL ANTIOXIDANT; FLOUR_TREATMENT_AGENT; PRESERVATIVE: Food Additives ANTIMICROBIAL AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT JECFA ADI: 0-0.7 mg/kg bw TRS 891-JECFA 51/30 FAS 42-JECFA 51/95 |
|---|---|
| GHS notifications | 16.2% (425 / 2617) |
| GHS notifications | 16.2% (425 / 2617) |
|---|---|
| Notified hazard statements | H314, H331, H370, H280 (19.3%), H319, H372, H318 |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 二氧化硫