无水亚硫酸钠 (CAS No. 7757-83-7) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include 基础化工原料；抗氧化剂；漂白剂. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.
| CAS Number | 7757-83-7 |
|---|---|
| Molecular Formula | Na2O3S |
| Molecular Weight | 126.05 |
| Melting Point | 911 °C |
| LogP | -4 |
| Purity | 按批次COA提供(不公开发布) |
| Packaging | 按订单/批次确认(不公开发布) |
| Applications | 基础化工原料；抗氧化剂；漂白剂 |
| Category | 主营产品|基础化工原料|抗氧化剂|漂白剂 |
基础化工原料；抗氧化剂；漂白剂
COA (Certificate of Analysis) is provided with every batch. MSDS/technical data sheets and third-party test reports are available on request. Purity and packaging are subject to batch COA and order confirmation.
The CAS number of 无水亚硫酸钠 is 7757-83-7.
Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.
Main applications include 基础化工原料；抗氧化剂；漂白剂.
Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..
无水亚硫酸钠 的 CAS 号为 7757-83-7，分子式 Na2O3S，分子量 125.94 g/mol。 UNII VTK01UQK3G; ChEBI 86477; InChIKey GEHJYWRUCIMESM-UHFFFAOYSA-L. Melting Point: 911 °C; Melting Point: >500 °C; Density: 2.63 g/cu cm.
| CAS 号 | 7757-83-7 |
|---|---|
| PubChem CID | 24437 |
| 分子式 | Na2O3S |
| 分子量 | 125.94 g/mol |
| IUPAC 名称 | disodium;sulfite |
| InChIKey | GEHJYWRUCIMESM-UHFFFAOYSA-L |
| UNII（FDA） | VTK01UQK3G |
| ChEBI 编号 | CHEBI:86477 |
| Molecular Weight | 126.05 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 125.93635360 |
| Monoisotopic Mass | 125.93635360 |
| Topological Polar Surface Area | 82.4 |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 18.8 |
| Melting Point | 911 °C |
|---|---|
| Melting Point | >500 °C |
| Density | 2.63 g/cu cm |
| Density | 2.63 g/cm³ |
| Density | 2.633 @25 °C |
| LogP | -4 |
| Decomposition | 600 °C |
| 法规与食品接触 | FDA Substance added to food: ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DOUGH STRENGTHENER, FLOUR TREATING AGENT FDA 21 CFR 中列出的食品接触物质清单：FCS ANTIOXIDANT; PRESERVATIVE: Food Additives ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DOUGH STRENGTHENER, FLOUR TREATING AGENT, FORMULATION AID, OXIDIZING O JECFA ADI: 0-0.7 mg/kg bw TRS 891-JECFA 51/30 |
|---|---|
| GHS 通报统计 | 24.9% (618 / 2482) |
| GHS 通报统计 | 24.9% (618 / 2482) |
|---|---|
| 已通报的危害声明 | H302 (18.3%), H314 (51.8%), H315 (19.3%), H319 (21%), H318 |
SODIUM SULFITE; 7757-83-7; Disodium sulfite; Sodium sulfite anhydrous; Sodium sulphite; Sulfurous acid, disodium salt; Natrium sulfurosum; Sulftech; Natriumsulfid; Natriumsulfit; S-WAT; Natrii sulphis; Anhydrous sodium sulfite; Sodium sulfite (Na2SO3); Exsiccated sodium sulfite; Natrum sulphurosum
CAS 号 7757-83-7；分子式 Na2O3S；分子量 125.94 g/mol。
SODIUM SULFITE, 7757-83-7, Disodium sulfite, Sodium sulfite anhydrous, Sodium sulphite, Sulfurous acid, disodium salt.
已记录的法规收录：FDA Substance added to food: ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DOUGH STRENGTHENER, FLOUR TREATING AGENT; FDA 21 CFR 中列出的食品接触物质清单：FCS; ANTIOXIDANT; PRESERVATIVE: Food Additives。
24.9% 的 GHS 通报认为不构成危害分类（618 / 2482）。
Melting Point: 911 °C; Melting Point: >500 °C; Density: 2.63 g/cu cm; Density: 2.63 g/cm³.
本页事实取自 PubChem（美国国家医学图书馆）与 Wikidata。批号相关的数据——含量、水分、粒度、包装、保质期——随批次 COA 出具，不在本页公布。
Supplier: Jinan Shenghe Chemical Co., Ltd.