无水亚硫酸钠（CAS 7757-83-7）：分子式 Na2O3S、分子量 126.05；类别 精细化学品。
| CAS号 | 7757-83-7 |
|---|---|
| 分子式 | Na2O3S |
| 分子量 | 126.05 |
| 熔点 | 911 °C |
| LogP | -4 |
| 应用领域 | Uses: CIR ingredient: Sodium Sulfite、Used in developing photographs、bleaching textiles、manufacturing dyes、silvering glass、and preserving meat、Also used as an antiseptic、disinfectant、and water treatment chemical for industrial boilers and oil wells、[HSDB] Used in photography (preservative)、[www.ci.tucson.az.us、arthazards、medium.html]、Petroleum Production and Refining [Category: Industry]、Textiles (Fiber & Fabric Manufacturing) [Category: Industry]、Using Disinfectants or Biocides [Category: Clean]、Photographic Processing [Category: Other]、Glass Manufacturing [Category: Industry]、For sodium sulfite (USEPA、OPP Pesticide Code: 078203) there are 0 labels match.、SRP: Not registered for current use in the U.S.、but approved pesticide uses may change periodically and so federal、state and local authorities must be consulted for currently approved uses.、Chiefly in photographic developers and instead of "hypo" for fixing prints、bleaching wool、straw、silk、generating SO2、as reducer in manufacture of dyes、removing traces of Cl in bleached textiles and paper、preserving meat、egg yolks、etc. Reducing agent.、BLEACHING AGENT、EG、FOR PERMANGANATE STAINS、DISINFECTANT、PRESERVATIVE FOR FOOD AND BEVERAGES、ANTIOXIDANT & STABILIZING AGENT FOR PHARMACEUTICALS、: SOLUBILIZING AGENT FOR DYES AND OTHER CHEMICALS、MANUFACTURE OF SODIUM HYDROSULFITE、Used as... a skin lotion for ring worm、and a mouthwash.、For more Uses (Complete) data for Sodium sulfite (7 total)、please visit the HSDB record page.、Use Classification: EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives、Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern、Food Additives -> ANTIOXIDANT、PRESERVATIVE -> JECFA Functional Classes、Cosmetics -> Preservative、Industry Uses: Other、Surfactant (surface active agent)、Processing aids not otherwise specified、Bleaching agent、Chemical reaction regulator、Fixing agent (mordant)、Absorbent、Not Known or Reasonably Ascertainable、Corrosion inhibitor、Reducing agent、Preservative、Processing aids、specific to petroleum production、Intermediate、Anti-scaling agent、Solids separation (precipitating) agent、not otherwise specified、Consumer Uses: Cleaning agent、Household Products: Information on 284 consumer products that contain Sodium sulfite in the following categories is provided:、• Inside the Home、• Landscaping、Yard、• Personal Care、Methods of Manufacturing: It is produced by treating a suspension of sodium hydroxide or sodium carbonate with sulfur dioxide. The temperature is maintained at 60 - 80 °C for optimal crystal separation. The sodium sulfite suspension formed is centrifuged and the salt dried.、(1) Sulfur dioxide is reacted with soda ash and water and a solution of the resulting sodium bisulfite is treated with additional soda ash、(2) by-product of the caustic fusion process for phenol.、Formulations、Preparations: Grades: reagent、technical、FCC、Food Chemical Codex、.、Sodium sulfite is sold in various purity grades containing 90-98% Na2SO3.、General Chem Corp (Previously Allied)、Stauffer、VA Chem produce a technical grade sodium sulfite anhydrous with a minimum typical analysis of 96.5%、Granular Technical has a typical analysis of 98.0% with food & photographic grades at 98.6%. Koppers supplies on-purpose material made from sulfur dioxide... with an analysis of 96-97%... Koppers also produces 89-91% material as a by-product of resorcinol manufacture...、Consumption Patterns: End use pattern: pulp and paper、65%、water and waste treatment、15%、photography、10%、oil recovery、5%、miscellaneous、5% (1986)、CHEMICAL PROFILE: Sodium sulfite. Pulp and paper industry、58%、water treatment、12%、9%、including textile bleaching、food preservatives、chemical intermediate、ore flotation and oil recovery、13%、exports、8%.、CHEMICAL PROFILE: Sodium sulfite. Demand: 1986: 130、000 tons、1987: 133、1991、projected、: 147、000 tons.、Demand 1997、100、1998、102、2002、107、pulp and paper 55%、water treatment 20%、photography 10%、oil recovery 5%、miscellaneous uses 10%.、U.S. Production: 2023: 250、000、000 - <400、000 lb、2022: 250、2021: 100、000 - <250、2020: 250、(1976) 2.22X10+9 G (MIN CONSUMPTION IN FOODS)、(1979) No Data、(1987) 9.52X10+10 g、estimated、Non-confidential 2016 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Sodium sulfite:、Table: National Aggregate Production Volume (pounds) [Table#5091]、U.S. Imports: (1977) No Data、(1987) 4.54X10+8 g、U.S. Exports: (1977) No Data、Synthetic Rubber Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Petroleum Lubricating Oil and Grease Manufacturing、Oil and Gas Drilling、Extraction、and Support activities、All Other Basic Inorganic Chemical Manufacturing、Mining (except Oil and Gas) and support activities、Utilities、Other (requires additional information)、All Other Basic Organic Chemical Manufacturing、Textiles、apparel、and leather manufacturing、Services、Paper Manufacturing、Food、beverage、and tobacco product manufacturing、Miscellaneous Manufacturing、All Other Chemical Product and Preparation Manufacturing、Photographic Film、Paper、Plate、and Chemical Manufacturing、Petroleum Refineries、Plastics Material and Resin Manufacturing、Sulfurous acid、sodium salt (1:2): ACTIVE、The commercial heptahydrate (about 90% pure、remainder consisting |
| 类别 | 基础化工原料|抗氧化剂|漂白剂 |
登记用途：Uses: CIR ingredient: Sodium Sulfite、Used in developing photographs、bleaching textiles、manufacturing dyes、silvering glass、and preserving meat、Also used as an antiseptic、disinfectant、and water treatment chemical for industrial boilers and oil wells、[HSDB] Used in photography (preservative)、[www.ci.tucson.az.us、arthazards、medium.html]、Petroleum Production and Refining [Category: Industry]、Textiles (Fiber & Fabric Manufacturing) [Category: Industry]、Using Disinfectants or Biocides [Category: Clean]、Photographic Processing [Category: Other]、Glass Manufacturing [Category: Industry]、For sodium sulfite (USEPA、OPP Pesticide Code: 078203) there are 0 labels match.、SRP: Not registered for current use in the U.S.、but approved pesticide uses may change periodically and so federal、state and local authorities must be consulted for currently approved uses.、Chiefly in photographic developers and instead of "hypo" for fixing prints、bleaching wool、straw、silk、generating SO2、as reducer in manufacture of dyes、removing traces of Cl in bleached textiles and paper、preserving meat、egg yolks、etc. Reducing agent.、BLEACHING AGENT、EG、FOR PERMANGANATE STAINS、DISINFECTANT、PRESERVATIVE FOR FOOD AND BEVERAGES、ANTIOXIDANT & STABILIZING AGENT FOR PHARMACEUTICALS、: SOLUBILIZING AGENT FOR DYES AND OTHER CHEMICALS、MANUFACTURE OF SODIUM HYDROSULFITE、Used as... a skin lotion for ring worm、and a mouthwash.、For more Uses (Complete) data for Sodium sulfite (7 total)、please visit the HSDB record page.、Use Classification: EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives、Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern、Food Additives -> ANTIOXIDANT、PRESERVATIVE -> JECFA Functional Classes、Cosmetics -> Preservative、Industry Uses: Other、Surfactant (surface active agent)、Processing aids not otherwise specified、Bleaching agent、Chemical reaction regulator、Fixing agent (mordant)、Absorbent、Not Known or Reasonably Ascertainable、Corrosion inhibitor、Reducing agent、Preservative、Processing aids、specific to petroleum production、Intermediate、Anti-scaling agent、Solids separation (precipitating) agent、not otherwise specified、Consumer Uses: Cleaning agent、Household Products: Information on 284 consumer products that contain Sodium sulfite in the following categories is provided:、• Inside the Home、• Landscaping、Yard、• Personal Care、Methods of Manufacturing: It is produced by treating a suspension of sodium hydroxide or sodium carbonate with sulfur dioxide. The temperature is maintained at 60 - 80 °C for optimal crystal separation. The sodium sulfite suspension formed is centrifuged and the salt dried.、(1) Sulfur dioxide is reacted with soda ash and water and a solution of the resulting sodium bisulfite is treated with additional soda ash、(2) by-product of the caustic fusion process for phenol.、Formulations、Preparations: Grades: reagent、technical、FCC、Food Chemical Codex、.、Sodium sulfite is sold in various purity grades containing 90-98% Na2SO3.、General Chem Corp (Previously Allied)、Stauffer、VA Chem produce a technical grade sodium sulfite anhydrous with a minimum typical analysis of 96.5%、Granular Technical has a typical analysis of 98.0% with food & photographic grades at 98.6%. Koppers supplies on-purpose material made from sulfur dioxide... with an analysis of 96-97%... Koppers also produces 89-91% material as a by-product of resorcinol manufacture...、Consumption Patterns: End use pattern: pulp and paper、65%、water and waste treatment、15%、photography、10%、oil recovery、5%、miscellaneous、5% (1986)、CHEMICAL PROFILE: Sodium sulfite. Pulp and paper industry、58%、water treatment、12%、9%、including textile bleaching、food preservatives、chemical intermediate、ore flotation and oil recovery、13%、exports、8%.、CHEMICAL PROFILE: Sodium sulfite. Demand: 1986: 130、000 tons、1987: 133、1991、projected、: 147、000 tons.、Demand 1997、100、1998、102、2002、107、pulp and paper 55%、water treatment 20%、photography 10%、oil recovery 5%、miscellaneous uses 10%.、U.S. Production: 2023: 250、000、000 - <400、000 lb、2022: 250、2021: 100、000 - <250、2020: 250、(1976) 2.22X10+9 G (MIN CONSUMPTION IN FOODS)、(1979) No Data、(1987) 9.52X10+10 g、estimated、Non-confidential 2016 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Sodium sulfite:、Table: National Aggregate Production Volume (pounds) [Table#5091]、U.S. Imports: (1977) No Data、(1987) 4.54X10+8 g、U.S. Exports: (1977) No Data、Synthetic Rubber Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Petroleum Lubricating Oil and Grease Manufacturing、Oil and Gas Drilling、Extraction、and Support activities、All Other Basic Inorganic Chemical Manufacturing、Mining (except Oil and Gas) and support activities、Utilities、Other (requires additional information)、All Other Basic Organic Chemical Manufacturing、Textiles、apparel、and leather manufacturing、Services、Paper Manufacturing、Food、beverage、and tobacco product manufacturing、Miscellaneous Manufacturing、All Other Chemical Product and Preparation Manufacturing、Photographic Film、Paper、Plate、and Chemical Manufacturing、Petroleum Refineries、Plastics Material and Resin Manufacturing、Sulfurous acid、sodium salt (1:2): ACTIVE、The commercial heptahydrate (about 90% pure、remainder consisting。
无水亚硫酸钠 是一种高附加值精细化合物，登记 CAS 号为 7757-83-7，分子式 Na2O3S（分子量 126.05），归属于精细化学品大类化工原料。
登记 CAS 号：7757-83-7
其分子式 Na2O3S 由 2 个钠、3 个氧、1 个硫 组成。
别名/同义词：无水亚硫酸钠 · Sodium sulfite · Sodium Sulphite Food Grade
所属分类：精细化学品 / 食品添加剂 / 漂白剂
无水亚硫酸钠 的 CAS 登记号为 7757-83-7。
分子式 Na2O3S，分子量 126.05。
别名/同义词：无水亚硫酸钠、Sodium sulfite、Sodium Sulphite Food Grade。
登记用途：Uses: CIR ingredient: Sodium Sulfite、Used in developing photographs、bleaching textiles、manufacturing dyes、silvering glass、and preserving meat、Also used as an antiseptic、disinfectant、and water treatment chemical for industrial boilers and oil wells、[HSDB] Used in photography (preservative)、[www.ci.tucson.az.us、arthazards、medium.html]、Petroleum Production and Refining [Category: Industry]、Textiles (Fiber & Fabric Manufacturing) [Category: Industry]、Using Disinfectants or Biocides [Category: Clean]、Photographic Processing [Category: Other]、Glass Manufacturing [Category: Industry]、For sodium sulfite (USEPA、OPP Pesticide Code: 078203) there are 0 labels match.、SRP: Not registered for current use in the U.S.、but approved pesticide uses may change periodically and so federal、state and local authorities must be consulted for currently approved uses.、Chiefly in photographic developers and instead of "hypo" for fixing prints、bleaching wool、straw、silk、generating SO2、as reducer in manufacture of dyes、removing traces of Cl in bleached textiles and paper、preserving meat、egg yolks、etc. Reducing agent.、BLEACHING AGENT、EG、FOR PERMANGANATE STAINS、DISINFECTANT、PRESERVATIVE FOR FOOD AND BEVERAGES、ANTIOXIDANT & STABILIZING AGENT FOR PHARMACEUTICALS、: SOLUBILIZING AGENT FOR DYES AND OTHER CHEMICALS、MANUFACTURE OF SODIUM HYDROSULFITE、Used as... a skin lotion for ring worm、and a mouthwash.、For more Uses (Complete) data for Sodium sulfite (7 total)、please visit the HSDB record page.、Use Classification: EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives、Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern、Food Additives -> ANTIOXIDANT、PRESERVATIVE -> JECFA Functional Classes、Cosmetics -> Preservative、Industry Uses: Other、Surfactant (surface active agent)、Processing aids not otherwise specified、Bleaching agent、Chemical reaction regulator、Fixing agent (mordant)、Absorbent、Not Known or Reasonably Ascertainable、Corrosion inhibitor、Reducing agent、Preservative、Processing aids、specific to petroleum production、Intermediate、Anti-scaling agent、Solids separation (precipitating) agent、not otherwise specified、Consumer Uses: Cleaning agent、Household Products: Information on 284 consumer products that contain Sodium sulfite in the following categories is provided:、• Inside the Home、• Landscaping、Yard、• Personal Care、Methods of Manufacturing: It is produced by treating a suspension of sodium hydroxide or sodium carbonate with sulfur dioxide. The temperature is maintained at 60 - 80 °C for optimal crystal separation. The sodium sulfite suspension formed is centrifuged and the salt dried.、(1) Sulfur dioxide is reacted with soda ash and water and a solution of the resulting sodium bisulfite is treated with additional soda ash、(2) by-product of the caustic fusion process for phenol.、Formulations、Preparations: Grades: reagent、technical、FCC、Food Chemical Codex、.、Sodium sulfite is sold in various purity grades containing 90-98% Na2SO3.、General Chem Corp (Previously Allied)、Stauffer、VA Chem produce a technical grade sodium sulfite anhydrous with a minimum typical analysis of 96.5%、Granular Technical has a typical analysis of 98.0% with food & photographic grades at 98.6%. Koppers supplies on-purpose material made from sulfur dioxide... with an analysis of 96-97%... Koppers also produces 89-91% material as a by-product of resorcinol manufacture...、Consumption Patterns: End use pattern: pulp and paper、65%、water and waste treatment、15%、photography、10%、oil recovery、5%、miscellaneous、5% (1986)、CHEMICAL PROFILE: Sodium sulfite. Pulp and paper industry、58%、water treatment、12%、9%、including textile bleaching、food preservatives、chemical intermediate、ore flotation and oil recovery、13%、exports、8%.、CHEMICAL PROFILE: Sodium sulfite. Demand: 1986: 130、000 tons、1987: 133、1991、projected、: 147、000 tons.、Demand 1997、100、1998、102、2002、107、pulp and paper 55%、water treatment 20%、photography 10%、oil recovery 5%、miscellaneous uses 10%.、U.S. Production: 2023: 250、000、000 - <400、000 lb、2022: 250、2021: 100、000 - <250、2020: 250、(1976) 2.22X10+9 G (MIN CONSUMPTION IN FOODS)、(1979) No Data、(1987) 9.52X10+10 g、estimated、Non-confidential 2016 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Sodium sulfite:、Table: National Aggregate Production Volume (pounds) [Table#5091]、U.S. Imports: (1977) No Data、(1987) 4.54X10+8 g、U.S. Exports: (1977) No Data、Synthetic Rubber Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Petroleum Lubricating Oil and Grease Manufacturing、Oil and Gas Drilling、Extraction、and Support activities、All Other Basic Inorganic Chemical Manufacturing、Mining (except Oil and Gas) and support activities、Utilities、Other (requires additional information)、All Other Basic Organic Chemical Manufacturing、Textiles、apparel、and leather manufacturing、Services、Paper Manufacturing、Food、beverage、and tobacco product manufacturing、Miscellaneous Manufacturing、All Other Chemical Product and Preparation Manufacturing、Photographic Film、Paper、Plate、and Chemical Manufacturing、Petroleum Refineries、Plastics Material and Resin Manufacturing、Sulfurous acid、sodium salt (1:2): ACTIVE、The commercial heptahydrate (about 90% pure、remainder consisting。
所属分类：基础化工原料 / 抗氧化剂 / 漂白剂。
无水亚硫酸钠（CAS 7757-83-7）的独立参考数据，整理自公开化学数据库。
| 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 |
| 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 |
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
| 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 |
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.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Sodium sulfite