sulfur dioxide (CAS 7446-09-5) — formula SO2, molecular weight 63.96 g/mol; category food additives.
| 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 |
| Category | Antioxidants |
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.
Category: Antioxidants.
Independent reference data for sulfur dioxide (CAS 7446-09-5), compiled from public chemistry databases.
| CAS 号 | 7446-09-5 |
|---|---|
| PubChem CID | 1119 |
| 分子式 | SO2 |
| 分子量 | 63.96 g/mol |
| IUPAC 名称 | sulfur dioxide |
| InChIKey | RAHZWNYVWXNFOC-UHFFFAOYSA-N |
| UNII（FDA） | 0UZA3422Q4 |
| ChEBI 编号 | CHEBI:18422 |
| FEMA 编号 | 3039 |
| 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
| 法规与食品接触 | 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 通报统计 | 16.2% (425 / 2617) |
| GHS 通报统计 | 16.2% (425 / 2617) |
|---|---|
| 已通报的危害声明 | H314, H331, H370, H280 (19.3%), H319, H372, H318 |
二氧化硫 的 CAS 号为 7446-09-5，分子式 SO2，分子量 63.96 g/mol。 UNII 0UZA3422Q4; ChEBI 18422; InChIKey RAHZWNYVWXNFOC-UHFFFAOYSA-N. Boiling Point: 14 °F at 760 mmHg (EPA, 1998); Boiling Point: -10 °C; Boiling Point: -10.05 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 二氧化硫