二氧化硫

二氧化硫（CAS 7446-09-5）：分子式 SO2、分子量 64.07；类别 食品添加剂。

产品概览

应用领域

登记用途：Uses: Formed as a byproduct of burning sulfur-containing materials、used for bleaching、disinfecting、and fumigating、[ACGIH] Used to preserve fruits and other foods、manufacture molasses、wine、and beer、bleach textile fibers、tan leather、pulp wood、manufacture lithium batteries and glass、treat water、and refine oil and metal、[HSDB]、Aluminum Producing [Category: Industry]、Steel Producing [Category: Industry]、Forging [Category: Heat or Machine]、Molding and Core Making [Category: Foundry]、Petroleum Production and Refining [Category: Industry]、Battery Manufacturing [Category: Industry]、Smelting Copper or Lead [Category: Industry]、Pulp and Paper Processing [Category: Industry]、Textiles (Fiber & Fabric Manufacturing) [Category: Industry]、Using Disinfectants or Biocides [Category: Clean]、Farming (Pesticides) [Category: Industry]、Sewer and Wastewater Treatment [Category: Industry]、Leather Tanning and Processing [Category: Industry]、Photographic Processing [Category: Other]、Cement Producing [Category: Industry]、Glass Manufacturing [Category: Industry]、Metal Extraction and Refining [Category: Industry]、Ceramics making [Category: Hobbies]、Glassblowing [Category: Hobbies]、Jewelry making [Category: Hobbies]、Burning biomass fuel for cooking and heating [Category: Environments]、For sulfur dioxide (USEPA、OPP Pesticide Code: 077601) ACTIVE products with label matches.、SRP: Registered for 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.、Sulfur dioxide is used as a fungicide and preservative postharvest for grapes.、From table、Sulfur dioxide is ... used to manufacture hydrosulfites、to bleach wood pulp and paper、to process、disinfect、and bleach food、for waste and water treatment、in metal and ore refining、and in oil refining.、Chemicals (H2SO4、salt cake、sulfites、hydrosulfites of potassium and sodium、thiosulfates、alum from shale、recovery of volatile substances)、sulfite paper pulp、ore and metal refining、soybean protein、intermediates、solvent extraction of lubricating oils、bleaching agent for oils and starch、sulfonation of oils、disinfecting and fumigating、food additive (inhibition of browning、of enzyme-catalyzed reactions、bacterial growth)、reducing agent、antioxidant.、For more Uses (Complete) data for Sulfur dioxide (22 total)、please visit the HSDB record page.、Use Classification: Chemical Classes -> Inorganic substances、Fragrance Ingredients、Food Additives -> ANTIOXIDANT、FLOUR_TREATMENT_AGENT、PRESERVATIVE -> JECFA Functional Classes、Household Products: Cosmetics product ingredient: Sulfur dioxide、Reason for Listing:、- Known to cause reproductive toxicity under Health and Safety Code section 25249.8 of the California Safe Drinking Water and Toxic Enforcement Act of 1986 (Prop 65)、- Listed as a chemical identified with non-cancer endpoints and listed with an inhalation or oral Reference Exposure Level by the California Office of Environmental Health Hazard Assessment under Health and Safety Code section 44360(b)(2)、Potential Health Impacts: Developmental Toxicity and Respiratory Toxicity、Product count: 5、Information on 5 consumer products that contain Sulfur dioxide in the following categories is provided:、• Auto Products、• Inside the Home、Methods of Manufacturing: (1) By roasting pyrites in special furnaces. The gas is readily liquefied by cooling with ice and salt or at a pressure of three atmospheres. (2) By purifying and compressing sulfur dioxide gas from smelting operations. (3) By burning sulfur.、... Produced commercially from the following raw materials: elemental sulfur、pyrites、sulfide ores of non-ferrous metals、waste sulfuric acid and sulfates、gypsum and anhydrite、hydrogen sulfide-containing waste gases、and flue gases from the combustion of sulfurous fossil fuels. It is most commonly produced by burning sulfur but can also be produced by burning pyrites in a special furnace or by purifying and compressing sulfur dioxide gas from smelting operations.、... Produced by burning molten sulfur in a special burner with a controlled amount of air. The burner gas、free of dust and cooled、is dissolved in water in a series of two towers. In a third tower、the solution is sprayed at the top and flows down while steam is injected at the base. The gas issuing from the third tower is then cooled to remove most moisture and passed up a fourth tower against a countercurrent of sulfuric acid. The dried gas is liquefied by compression、Sulfur dioxide can also be recovered commercially by liquefying gas obtained during smelting of non-ferrous metals such as lead、copper、and nickel.、Formulations、Preparations: The Fruit Doctor、Compressed Sulfur Dioxide (Snowden Enterprises、Inc.): Active ingredient: sulfur dioxide 100%.、Sea Fresh 150 (Seaco Technologies、Airgas Sulfur Dioxide (Airgas USA、LLC): Active ingredient: sulfur dioxide 99.9%.、The sulfur dioxide products are formulated as a compressed liquid that converts to a gas upon release.、For more Formulations、Preparations (Complete) data for Sulfur dioxide (6 total)、Consumption Patterns: CHEMICAL PROFILE: Sulfur Dioxide. End-use pattern for sulfur dioxide in 1985.、Table: End-use Pattern for Sulfur dioxide in 1985 [Table#851]、CHEMICAL PROFILE: Sulfur Dioxide. End-use pattern for sulfur dioxide in 1988.、Table: End-use Pattern for Sulfur dioxide in 1988 [Table#852]、CHEMICAL PROFILE: Sulfur Dioxide. End-use pattern for sulfur dioxide in 1991.、Table: End-use Pattern for Sulfur dioxide in 1991 [Table#853]、CHEMICAL PROFILE: Sulfur Dioxide. End-use pattern for sulfur dioxide in 1994.、Table: End-use Pattern for Sulfur dioxide in 1994 [Table#854]、For more Consumption Patterns (Complete) data for Sulfur dioxide (16 total)、U.S. Production: (1977) 1.39X1。

技术档案

这个产品是什么

二氧化硫 是一种食品级化合物，登记 CAS 号为 7446-09-5，分子式 SO2（分子量 64.07），归属于食品添加剂大类化工原料。

识别信息

登记 CAS 号：7446-09-5

其分子式 SO2 由 1 个硫、2 个氧 组成。

别名/同义词：二氧化硫 · sulfur dioxide

所属分类：食品添加剂

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PubChem 公开数据

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