硫代硫酸钠（CAS 7772-98-7）：分子式 Na2O3S2、分子量 158.11；类别 防腐剂。
| CAS号 | 7772-98-7 |
|---|---|
| 分子式 | Na2O3S2 |
| 分子量 | 158.11 |
| 熔点 | 48.5 °C |
| 应用领域 | Uses: It is added in small quantities to ammonium thiosulfate、which is used as a photographic fixing salt. The hydrated salt is used as an anti-chlorine in bleaching、in wastewater purification、for reduction of dichromate in chromed leather production、and as a solvent for silver chloride in the chloride roasting of silver-containing minerals. [Ullmann] Used in paper bleaching、photography (fixer)、silver extraction、dyeing textiles (mordant)、and leather manufacturing、Also used as an antidote for cyanide poisoning and in vet medicine for bloat and ringworm、[Merck Index]、Pulp and Paper Processing [Category: Industry]、Sewer and Wastewater Treatment [Category: Industry]、Leather Tanning and Processing [Category: Industry]、Photographic Processing [Category: Other]、Textiles (Printing、Dyeing、or Finishing) [Category: Industry]、Metal Extraction and Refining [Category: Industry]、Applying metallic patinas [Category: Hobbies]、TO REMOVE CHLORINE FROM SOLN、AS "ANTICHLOR" IN BLEACHING OF PAPER PULP、FIXER IN PHOTOGRAPHY、MORDANT IN DYEING & PRINTING TEXTILES、REDUCER IN CHROME DYEING、MFR LEATHER、EXTRACTING OF SILVER FROM ORES、BLEACHING BONE、STRAW、IVORY、REAGENT IN ANALYTICAL CHEMISTRY、ANTIDOTE (CYANIDE POISONING)、SEQUESTRANT IN SALT、PHOTOGRAPHIC AGENT TO DISSOLVE SILVER HALIDES、AGENT IN CHROME LEATHER TANNING、ANTICHLOR IN BLEACHING CELLULOSE PRODUCTS、SOURCE OF SULFUR DIOXIDE IN BLEACHING VARIOUS PRODUCTS、PRESERVATIVE、CHEMICAL INTERMEDIATE、Use in foods restricted to 0.1%、MEDICATION (VET):、Use Classification: EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives、Safer Chemical Classes -> Green half-circle - The chemical is expected to be of low concern、Food Additives -> ANTIOXIDANT、SEQUESTRANT -> JECFA Functional Classes、Cosmetics -> Reducing、Industry Uses: Oxidizing agent、Laboratory chemicals、Solids separation (precipitating) agent、not otherwise specified、Intermediate、Processing aids、specific to petroleum production、Reducing agent、Not Known or Reasonably Ascertainable、Corrosion inhibitor、Fixing agent (mordant)、pH regulating agent、Processing aids not otherwise specified、Tanning agents not otherwise specified、Other、Consumer Uses: Not Known or Reasonably Ascertainable、Household Products: Information on 22 consumer products that contain Sodium thiosulfate anhydrous in the following categories is provided:、• Commercial、Institutional、• Inside the Home、• Personal Care、• Pet Care、Methods of Manufacturing: BY-PRODUCT LIQUOR FROM SODIUM SULFIDE PRODUCTION IS REACTED WITH SULFUR DIOXIDE TO YIELD SODIUM THIOSULFATE、OR ORGANIC NITRO COMPOUNDS ARE BOILED WITH SODIUM POLYSULFIDE SOLUTION TO YIELD A LEACH LIQUOR OF SODIUM THIOSULFATE、WHICH IS THEN PURIFIED、CONCENTRATED AND CRYSTALLIZED、BY DISSOLVING SULFUR IN SODIUM SULFITE SOLN & THEN CRYSTALLIZING. IT IS ALSO PREPARED FROM WASTE LIQUORS OBTAINED IN PRODN OF SODIUM SULFIDE、LIQUORS CONTAINING SODIUM CARBONATE & SMALL AMT OF SODIUM SULFITE & SODIUM SULFATE IN ADDN TO SULFIDE.、Formulations、Preparations: Grades: Technical、Crystals、granulated、photographic、C.P.、U.S.P.、F.C.C.、Consumption Patterns: 90% FOR PHOTOGRAPHY、5% FOR LEATHER TANNING、5% FOR CHEMICALS AND MISC APPLICATIONS (1969)、Photographic、25%、Anitchlor: Paper-25%、Water-20%、Chlor、Alkali-10%、Oil Well Drilling Muds、10%、Tetramethyl Lead Manufacture、5%、5% (1985)、U.S. Production: 2023: 85、000、000 - <100、000 lb、2022: 100、000 - <250、2021: 100、2020: 100、(1972) 1.96X10+10 GRAMS、(1975) 1.7X10+10 GRAMS、U.S. Imports: (1972) No Data、(1975) 3.44X10+8 GRAMS (INCL SULFITES)、(1984) 9.51X10+9 g、Sodium Sulfite、Bisulfite、Metabisulfite、and Thiosulfate、U.S. Exports: (1972) No Data、(1975) No Data、(1984) 6.54X10+9 g、and Thiosulfate、General Manufacturing Information: All Other Basic Inorganic Chemical Manufacturing、Utilities、Rubber Product Manufacturing、Mining (except Oil and Gas) and support activities、Computer and Electronic Product Manufacturing、Oil and Gas Drilling、Extraction、and Support activities、Transportation Equipment Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、Photographic Film、Paper、Plate、and Chemical Manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Synthetic Dye and Pigment Manufacturing、Petroleum Refineries、Services、All Other Basic Organic Chemical Manufacturing、Textiles、apparel、Other (requires additional information)、Miscellaneous Manufacturing、Food、beverage、and tobacco product manufacturing、Machinery Manufacturing、Paper Manufacturing、Thiosulfuric acid (H2S2O3)、sodium salt (1:2): ACTIVE、INCOMP: ACIDS DECOMP、IT、...WITH...PPTN、OF SULFUR & LIBERATION OF SO2、. IN ACID SOLN...、HAS REDUCING POWERS、& IS THEREFORE INCOMPATIBLE WITH OXIDIZING AGENTS. LEAD、SILVER & MERCUROUS SALTS PPT AS THIOSULFATES. SILVER HALIDES ARE MADE SOL BY...、. BISMUTH SUBNITRATE IS PARTIALLY CONVERTED TO METALLIC BISMUTH.、SODIUM THIOSULFATE IS ONE OF INGREDIENTS WHICH MAY BE FOUND IN CHEMISTRY SETS.、FROM TABLE |
| 类别 | 防腐剂 |
登记用途：Uses: It is added in small quantities to ammonium thiosulfate、which is used as a photographic fixing salt. The hydrated salt is used as an anti-chlorine in bleaching、in wastewater purification、for reduction of dichromate in chromed leather production、and as a solvent for silver chloride in the chloride roasting of silver-containing minerals. [Ullmann] Used in paper bleaching、photography (fixer)、silver extraction、dyeing textiles (mordant)、and leather manufacturing、Also used as an antidote for cyanide poisoning and in vet medicine for bloat and ringworm、[Merck Index]、Pulp and Paper Processing [Category: Industry]、Sewer and Wastewater Treatment [Category: Industry]、Leather Tanning and Processing [Category: Industry]、Photographic Processing [Category: Other]、Textiles (Printing、Dyeing、or Finishing) [Category: Industry]、Metal Extraction and Refining [Category: Industry]、Applying metallic patinas [Category: Hobbies]、TO REMOVE CHLORINE FROM SOLN、AS "ANTICHLOR" IN BLEACHING OF PAPER PULP、FIXER IN PHOTOGRAPHY、MORDANT IN DYEING & PRINTING TEXTILES、REDUCER IN CHROME DYEING、MFR LEATHER、EXTRACTING OF SILVER FROM ORES、BLEACHING BONE、STRAW、IVORY、REAGENT IN ANALYTICAL CHEMISTRY、ANTIDOTE (CYANIDE POISONING)、SEQUESTRANT IN SALT、PHOTOGRAPHIC AGENT TO DISSOLVE SILVER HALIDES、AGENT IN CHROME LEATHER TANNING、ANTICHLOR IN BLEACHING CELLULOSE PRODUCTS、SOURCE OF SULFUR DIOXIDE IN BLEACHING VARIOUS PRODUCTS、PRESERVATIVE、CHEMICAL INTERMEDIATE、Use in foods restricted to 0.1%、MEDICATION (VET):、Use Classification: EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives、Safer Chemical Classes -> Green half-circle - The chemical is expected to be of low concern、Food Additives -> ANTIOXIDANT、SEQUESTRANT -> JECFA Functional Classes、Cosmetics -> Reducing、Industry Uses: Oxidizing agent、Laboratory chemicals、Solids separation (precipitating) agent、not otherwise specified、Intermediate、Processing aids、specific to petroleum production、Reducing agent、Not Known or Reasonably Ascertainable、Corrosion inhibitor、Fixing agent (mordant)、pH regulating agent、Processing aids not otherwise specified、Tanning agents not otherwise specified、Other、Consumer Uses: Not Known or Reasonably Ascertainable、Household Products: Information on 22 consumer products that contain Sodium thiosulfate anhydrous in the following categories is provided:、• Commercial、Institutional、• Inside the Home、• Personal Care、• Pet Care、Methods of Manufacturing: BY-PRODUCT LIQUOR FROM SODIUM SULFIDE PRODUCTION IS REACTED WITH SULFUR DIOXIDE TO YIELD SODIUM THIOSULFATE、OR ORGANIC NITRO COMPOUNDS ARE BOILED WITH SODIUM POLYSULFIDE SOLUTION TO YIELD A LEACH LIQUOR OF SODIUM THIOSULFATE、WHICH IS THEN PURIFIED、CONCENTRATED AND CRYSTALLIZED、BY DISSOLVING SULFUR IN SODIUM SULFITE SOLN & THEN CRYSTALLIZING. IT IS ALSO PREPARED FROM WASTE LIQUORS OBTAINED IN PRODN OF SODIUM SULFIDE、LIQUORS CONTAINING SODIUM CARBONATE & SMALL AMT OF SODIUM SULFITE & SODIUM SULFATE IN ADDN TO SULFIDE.、Formulations、Preparations: Grades: Technical、Crystals、granulated、photographic、C.P.、U.S.P.、F.C.C.、Consumption Patterns: 90% FOR PHOTOGRAPHY、5% FOR LEATHER TANNING、5% FOR CHEMICALS AND MISC APPLICATIONS (1969)、Photographic、25%、Anitchlor: Paper-25%、Water-20%、Chlor、Alkali-10%、Oil Well Drilling Muds、10%、Tetramethyl Lead Manufacture、5%、5% (1985)、U.S. Production: 2023: 85、000、000 - <100、000 lb、2022: 100、000 - <250、2021: 100、2020: 100、(1972) 1.96X10+10 GRAMS、(1975) 1.7X10+10 GRAMS、U.S. Imports: (1972) No Data、(1975) 3.44X10+8 GRAMS (INCL SULFITES)、(1984) 9.51X10+9 g、Sodium Sulfite、Bisulfite、Metabisulfite、and Thiosulfate、U.S. Exports: (1972) No Data、(1975) No Data、(1984) 6.54X10+9 g、and Thiosulfate、General Manufacturing Information: All Other Basic Inorganic Chemical Manufacturing、Utilities、Rubber Product Manufacturing、Mining (except Oil and Gas) and support activities、Computer and Electronic Product Manufacturing、Oil and Gas Drilling、Extraction、and Support activities、Transportation Equipment Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、Photographic Film、Paper、Plate、and Chemical Manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Synthetic Dye and Pigment Manufacturing、Petroleum Refineries、Services、All Other Basic Organic Chemical Manufacturing、Textiles、apparel、Other (requires additional information)、Miscellaneous Manufacturing、Food、beverage、and tobacco product manufacturing、Machinery Manufacturing、Paper Manufacturing、Thiosulfuric acid (H2S2O3)、sodium salt (1:2): ACTIVE、INCOMP: ACIDS DECOMP、IT、...WITH...PPTN、OF SULFUR & LIBERATION OF SO2、. IN ACID SOLN...、HAS REDUCING POWERS、& IS THEREFORE INCOMPATIBLE WITH OXIDIZING AGENTS. LEAD、SILVER & MERCUROUS SALTS PPT AS THIOSULFATES. SILVER HALIDES ARE MADE SOL BY...、. BISMUTH SUBNITRATE IS PARTIALLY CONVERTED TO METALLIC BISMUTH.、SODIUM THIOSULFATE IS ONE OF INGREDIENTS WHICH MAY BE FOUND IN CHEMISTRY SETS.、FROM TABLE。
硫代硫酸钠 是一种化工化合物，登记 CAS 号为 7772-98-7，分子式 Na2O3S2（分子量 158.11），归属于防腐剂大类化工原料。
登记 CAS 号：7772-98-7
其分子式 Na2O3S2 由 2 个钠、3 个氧、2 个硫 组成。
别名/同义词：硫代硫酸钠 · Sodium thiosulfate
所属分类：防腐剂
硫代硫酸钠 的 CAS 登记号为 7772-98-7。
分子式 Na2O3S2，分子量 158.11。
别名/同义词：硫代硫酸钠、Sodium thiosulfate。
登记用途：Uses: It is added in small quantities to ammonium thiosulfate、which is used as a photographic fixing salt. The hydrated salt is used as an anti-chlorine in bleaching、in wastewater purification、for reduction of dichromate in chromed leather production、and as a solvent for silver chloride in the chloride roasting of silver-containing minerals. [Ullmann] Used in paper bleaching、photography (fixer)、silver extraction、dyeing textiles (mordant)、and leather manufacturing、Also used as an antidote for cyanide poisoning and in vet medicine for bloat and ringworm、[Merck Index]、Pulp and Paper Processing [Category: Industry]、Sewer and Wastewater Treatment [Category: Industry]、Leather Tanning and Processing [Category: Industry]、Photographic Processing [Category: Other]、Textiles (Printing、Dyeing、or Finishing) [Category: Industry]、Metal Extraction and Refining [Category: Industry]、Applying metallic patinas [Category: Hobbies]、TO REMOVE CHLORINE FROM SOLN、AS "ANTICHLOR" IN BLEACHING OF PAPER PULP、FIXER IN PHOTOGRAPHY、MORDANT IN DYEING & PRINTING TEXTILES、REDUCER IN CHROME DYEING、MFR LEATHER、EXTRACTING OF SILVER FROM ORES、BLEACHING BONE、STRAW、IVORY、REAGENT IN ANALYTICAL CHEMISTRY、ANTIDOTE (CYANIDE POISONING)、SEQUESTRANT IN SALT、PHOTOGRAPHIC AGENT TO DISSOLVE SILVER HALIDES、AGENT IN CHROME LEATHER TANNING、ANTICHLOR IN BLEACHING CELLULOSE PRODUCTS、SOURCE OF SULFUR DIOXIDE IN BLEACHING VARIOUS PRODUCTS、PRESERVATIVE、CHEMICAL INTERMEDIATE、Use in foods restricted to 0.1%、MEDICATION (VET):、Use Classification: EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives、Safer Chemical Classes -> Green half-circle - The chemical is expected to be of low concern、Food Additives -> ANTIOXIDANT、SEQUESTRANT -> JECFA Functional Classes、Cosmetics -> Reducing、Industry Uses: Oxidizing agent、Laboratory chemicals、Solids separation (precipitating) agent、not otherwise specified、Intermediate、Processing aids、specific to petroleum production、Reducing agent、Not Known or Reasonably Ascertainable、Corrosion inhibitor、Fixing agent (mordant)、pH regulating agent、Processing aids not otherwise specified、Tanning agents not otherwise specified、Other、Consumer Uses: Not Known or Reasonably Ascertainable、Household Products: Information on 22 consumer products that contain Sodium thiosulfate anhydrous in the following categories is provided:、• Commercial、Institutional、• Inside the Home、• Personal Care、• Pet Care、Methods of Manufacturing: BY-PRODUCT LIQUOR FROM SODIUM SULFIDE PRODUCTION IS REACTED WITH SULFUR DIOXIDE TO YIELD SODIUM THIOSULFATE、OR ORGANIC NITRO COMPOUNDS ARE BOILED WITH SODIUM POLYSULFIDE SOLUTION TO YIELD A LEACH LIQUOR OF SODIUM THIOSULFATE、WHICH IS THEN PURIFIED、CONCENTRATED AND CRYSTALLIZED、BY DISSOLVING SULFUR IN SODIUM SULFITE SOLN & THEN CRYSTALLIZING. IT IS ALSO PREPARED FROM WASTE LIQUORS OBTAINED IN PRODN OF SODIUM SULFIDE、LIQUORS CONTAINING SODIUM CARBONATE & SMALL AMT OF SODIUM SULFITE & SODIUM SULFATE IN ADDN TO SULFIDE.、Formulations、Preparations: Grades: Technical、Crystals、granulated、photographic、C.P.、U.S.P.、F.C.C.、Consumption Patterns: 90% FOR PHOTOGRAPHY、5% FOR LEATHER TANNING、5% FOR CHEMICALS AND MISC APPLICATIONS (1969)、Photographic、25%、Anitchlor: Paper-25%、Water-20%、Chlor、Alkali-10%、Oil Well Drilling Muds、10%、Tetramethyl Lead Manufacture、5%、5% (1985)、U.S. Production: 2023: 85、000、000 - <100、000 lb、2022: 100、000 - <250、2021: 100、2020: 100、(1972) 1.96X10+10 GRAMS、(1975) 1.7X10+10 GRAMS、U.S. Imports: (1972) No Data、(1975) 3.44X10+8 GRAMS (INCL SULFITES)、(1984) 9.51X10+9 g、Sodium Sulfite、Bisulfite、Metabisulfite、and Thiosulfate、U.S. Exports: (1972) No Data、(1975) No Data、(1984) 6.54X10+9 g、and Thiosulfate、General Manufacturing Information: All Other Basic Inorganic Chemical Manufacturing、Utilities、Rubber Product Manufacturing、Mining (except Oil and Gas) and support activities、Computer and Electronic Product Manufacturing、Oil and Gas Drilling、Extraction、and Support activities、Transportation Equipment Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、Photographic Film、Paper、Plate、and Chemical Manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Synthetic Dye and Pigment Manufacturing、Petroleum Refineries、Services、All Other Basic Organic Chemical Manufacturing、Textiles、apparel、Other (requires additional information)、Miscellaneous Manufacturing、Food、beverage、and tobacco product manufacturing、Machinery Manufacturing、Paper Manufacturing、Thiosulfuric acid (H2S2O3)、sodium salt (1:2): ACTIVE、INCOMP: ACIDS DECOMP、IT、...WITH...PPTN、OF SULFUR & LIBERATION OF SO2、. IN ACID SOLN...、HAS REDUCING POWERS、& IS THEREFORE INCOMPATIBLE WITH OXIDIZING AGENTS. LEAD、SILVER & MERCUROUS SALTS PPT AS THIOSULFATES. SILVER HALIDES ARE MADE SOL BY...、. BISMUTH SUBNITRATE IS PARTIALLY CONVERTED TO METALLIC BISMUTH.、SODIUM THIOSULFATE IS ONE OF INGREDIENTS WHICH MAY BE FOUND IN CHEMISTRY SETS.、FROM TABLE。
所属分类：防腐剂。
硫代硫酸钠（CAS 7772-98-7）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 7772-98-7 |
|---|---|
| PubChem CID | 24477 |
| Molecular formula | Na2O3S2 |
| IUPAC name | disodium;dioxido-oxo-sulfanylidene-λ6-sulfane |
| UNII (FDA) | L0IYT1O31N |
| Molecular Weight | 158.11 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 157.90842477 |
| Monoisotopic Mass | 157.90842477 |
| Topological Polar Surface Area | 104 |
| Heavy Atom Count | 7 |
| Melting Point | 48.5 °C |
|---|---|
| Solubility | 50 G SOL IN 100 CC WATER; 231 G @ 100 °C |
| Density | 1.667 |
| Density | 1.7 g/cm³ |
| Decomposition | 300 °C |
SODIUM THIOSULFATE; 7772-98-7; Sodium thiosulphate; Disodium thiosulfate; Sodothiol; Hypo; Chlorine Control; Chlorine Cure; Sodium thiosulfate, anhydrous; Thiosulfuric acid, disodium salt; Sodium thiosulfate (Na2S2O3); Sodium thiosulphate (Na2S2O3); Sodium oxide sulfide (Na2S2O3); L0IYT1O31N; Thiosulfuric acid (H2S2O3), disodium salt; Ins no.539
| Regulatory & Food Contact | ANTIOXIDANT; PRESERVATIVE; SEQUESTRANT: Food Additives JECFA ADI: 0-0.7 mg/kg bw TRS 891-JECFA 51/30 FAS 42-JECFA 51/95 |
|---|
Sodium thiosulfate · CAS 7772-98-7 · Na2O3S2. UNII L0IYT1O31N. Melting Point: 48.5 °C; Solubility: 50 G SOL IN 100 CC WATER; 231 G @ 100 °C; Density: 1.667.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Sodium thiosulfate