(2E,4E)-六-2,4-二烯酸（CAS 91751-55-2）：分子式 C6H8O2、分子量 112.13。
| CAS号 | 91751-55-2 |
|---|---|
| 分子式 | C6H8O2 |
| 分子量 | 112.13 |
| 熔点 | 274.1 °F (NTP, 1992) |
| LogP | 1.3 |
| 应用领域 | Uses: CIR ingredient: Sorbic Acid、Used as mold and yeast inhibitor、fungistatic agent、and preservative (foods、tobacco、cosmetics、pharmaceuticals、and silk-screen inks)、Also used in drying oils、in alkyd type coatings、to improve milling characteristics of cold rubber、to inhibit fermentation in wines、to impregnate polyethylene wrappers for raw farm products、and to improve growth stimulation of animal feeds、[HSDB]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Silk-Screen Printing [Category: Other]、Farming (Feed Additives) [Category: Industry]、For sorbic acid (USEPA、OPP Pesticide Code: 75901) 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.、Reported uses (ppm):、Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association、2000) [Table#1690]、Intermediate for plasticizers and lubricants.、To improve the characteristics of drying oils. In alkyd type coatings to improve gloss. To improve milling characteristics of cold rubber.、For more Uses (Complete) data for SORBIC ACID (6 total)、please visit the HSDB record page.、Use (kg、approx.) in Germany (2009): >100、Consumption (g per capita、approx.) in Germany (2009): 0.00122、Calculated removal (%): 92.1、Use Classification: EPA Safer Chemical Functional Use Classes -> Preservatives and Antioxidants、Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、Food Additives -> PRESERVATIVE -> JECFA Functional Classes、Flavoring Agents -> JECFA Flavorings Index、Cosmetics -> Preservative、Industry Uses: Processing aids not otherwise specified、Not Known or Reasonably Ascertainable、Consumer Uses: Preservative、Household Products: Information on 47 consumer products that contain Sorbic acid in the following categories is provided:、• Inside the Home、• Personal Care、• Pesticides、Methods of Manufacturing: Trimerization of acetaldehyde and catalytic air oxidation of the resulting hexadienal.、In the presence of salts of divalent transition metals as catalysts、ketene and 2-butenal react at 30-80 °C to give a polymeric ester of 3-hydroxy-4-hexenoic acid with a molecular mass greater than or equal to about 2000. This polyester can be cleaved to give sorbic acid in good yield by either bases or acids (e.g.、hydrochloric acid)、alternatively、cleavage can be effected by metal-complex catalysts.、Formulations、Preparations: Grades: FCC、Food Chemicals Codex、technical.、U.S. Production: 2023: 100、000 - <250、000 lb、2022: 100、2021: 100、2020: 1、000、000 - <2、500、Non-confidential 2012 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: 2、4-Hexadienoic acid、(2E、4E)-. National Production Volume: 10、000 - 50、yr.、U.S. Imports: (1975) 1.36X10+9 GRAMS、(1984) 2.20X10+9 g、General Manufacturing Information: Food、beverage、and tobacco product manufacturing、2、4E)-: ACTIVE、Only the undissociated form、of sorbic acid、has antimicrobial activity.、The trans、trans-isomer is usually obtained and is the commercial product. |
登记用途：Uses: CIR ingredient: Sorbic Acid、Used as mold and yeast inhibitor、fungistatic agent、and preservative (foods、tobacco、cosmetics、pharmaceuticals、and silk-screen inks)、Also used in drying oils、in alkyd type coatings、to improve milling characteristics of cold rubber、to inhibit fermentation in wines、to impregnate polyethylene wrappers for raw farm products、and to improve growth stimulation of animal feeds、[HSDB]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Silk-Screen Printing [Category: Other]、Farming (Feed Additives) [Category: Industry]、For sorbic acid (USEPA、OPP Pesticide Code: 75901) 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.、Reported uses (ppm):、Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association、2000) [Table#1690]、Intermediate for plasticizers and lubricants.、To improve the characteristics of drying oils. In alkyd type coatings to improve gloss. To improve milling characteristics of cold rubber.、For more Uses (Complete) data for SORBIC ACID (6 total)、please visit the HSDB record page.、Use (kg、approx.) in Germany (2009): >100、Consumption (g per capita、approx.) in Germany (2009): 0.00122、Calculated removal (%): 92.1、Use Classification: EPA Safer Chemical Functional Use Classes -> Preservatives and Antioxidants、Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、Food Additives -> PRESERVATIVE -> JECFA Functional Classes、Flavoring Agents -> JECFA Flavorings Index、Cosmetics -> Preservative、Industry Uses: Processing aids not otherwise specified、Not Known or Reasonably Ascertainable、Consumer Uses: Preservative、Household Products: Information on 47 consumer products that contain Sorbic acid in the following categories is provided:、• Inside the Home、• Personal Care、• Pesticides、Methods of Manufacturing: Trimerization of acetaldehyde and catalytic air oxidation of the resulting hexadienal.、In the presence of salts of divalent transition metals as catalysts、ketene and 2-butenal react at 30-80 °C to give a polymeric ester of 3-hydroxy-4-hexenoic acid with a molecular mass greater than or equal to about 2000. This polyester can be cleaved to give sorbic acid in good yield by either bases or acids (e.g.、hydrochloric acid)、alternatively、cleavage can be effected by metal-complex catalysts.、Formulations、Preparations: Grades: FCC、Food Chemicals Codex、technical.、U.S. Production: 2023: 100、000 - <250、000 lb、2022: 100、2021: 100、2020: 1、000、000 - <2、500、Non-confidential 2012 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: 2、4-Hexadienoic acid、(2E、4E)-. National Production Volume: 10、000 - 50、yr.、U.S. Imports: (1975) 1.36X10+9 GRAMS、(1984) 2.20X10+9 g、General Manufacturing Information: Food、beverage、and tobacco product manufacturing、2、4E)-: ACTIVE、Only the undissociated form、of sorbic acid、has antimicrobial activity.、The trans、trans-isomer is usually obtained and is the commercial product.。
(2E,4E)-六-2,4-二烯酸 是一种化工化合物，登记 CAS 号为 91751-55-2，分子式 C6H8O2（分子量 112.13）。
登记 CAS 号：91751-55-2
其分子式 C6H8O2 由 6 个碳、8 个氢、2 个氧 组成。
别名/同义词：(2E,4E)-六-2,4-二烯酸 · (2E,4E)-hexa-2,4-dienoic acid
(2E,4E)-六-2,4-二烯酸 的 CAS 登记号为 91751-55-2。
分子式 C6H8O2，分子量 112.13。
别名/同义词：(2E,4E)-六-2,4-二烯酸、(2E,4E)-hexa-2,4-dienoic acid。
登记用途：Uses: CIR ingredient: Sorbic Acid、Used as mold and yeast inhibitor、fungistatic agent、and preservative (foods、tobacco、cosmetics、pharmaceuticals、and silk-screen inks)、Also used in drying oils、in alkyd type coatings、to improve milling characteristics of cold rubber、to inhibit fermentation in wines、to impregnate polyethylene wrappers for raw farm products、and to improve growth stimulation of animal feeds、[HSDB]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Silk-Screen Printing [Category: Other]、Farming (Feed Additives) [Category: Industry]、For sorbic acid (USEPA、OPP Pesticide Code: 75901) 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.、Reported uses (ppm):、Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association、2000) [Table#1690]、Intermediate for plasticizers and lubricants.、To improve the characteristics of drying oils. In alkyd type coatings to improve gloss. To improve milling characteristics of cold rubber.、For more Uses (Complete) data for SORBIC ACID (6 total)、please visit the HSDB record page.、Use (kg、approx.) in Germany (2009): >100、Consumption (g per capita、approx.) in Germany (2009): 0.00122、Calculated removal (%): 92.1、Use Classification: EPA Safer Chemical Functional Use Classes -> Preservatives and Antioxidants、Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、Food Additives -> PRESERVATIVE -> JECFA Functional Classes、Flavoring Agents -> JECFA Flavorings Index、Cosmetics -> Preservative、Industry Uses: Processing aids not otherwise specified、Not Known or Reasonably Ascertainable、Consumer Uses: Preservative、Household Products: Information on 47 consumer products that contain Sorbic acid in the following categories is provided:、• Inside the Home、• Personal Care、• Pesticides、Methods of Manufacturing: Trimerization of acetaldehyde and catalytic air oxidation of the resulting hexadienal.、In the presence of salts of divalent transition metals as catalysts、ketene and 2-butenal react at 30-80 °C to give a polymeric ester of 3-hydroxy-4-hexenoic acid with a molecular mass greater than or equal to about 2000. This polyester can be cleaved to give sorbic acid in good yield by either bases or acids (e.g.、hydrochloric acid)、alternatively、cleavage can be effected by metal-complex catalysts.、Formulations、Preparations: Grades: FCC、Food Chemicals Codex、technical.、U.S. Production: 2023: 100、000 - <250、000 lb、2022: 100、2021: 100、2020: 1、000、000 - <2、500、Non-confidential 2012 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: 2、4-Hexadienoic acid、(2E、4E)-. National Production Volume: 10、000 - 50、yr.、U.S. Imports: (1975) 1.36X10+9 GRAMS、(1984) 2.20X10+9 g、General Manufacturing Information: Food、beverage、and tobacco product manufacturing、2、4E)-: ACTIVE、Only the undissociated form、of sorbic acid、has antimicrobial activity.、The trans、trans-isomer is usually obtained and is the commercial product.。
(2E,4E)-六-2,4-二烯酸（CAS 91751-55-2）的独立参考数据，整理自公开化学数据库。
| CAS 号 | 91751-55-2 |
|---|---|
| PubChem CID | 643460 |
| 分子式 | C6H8O2 |
| IUPAC 名称 | (2E,4E)-hexa-2,4-dienoic acid |
| UNII（FDA） | X045WJ989B |
| FEMA 编号 | 3921 |
| JECFA 编号 | 1176 |
| Molecular Weight | 112.13 |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 112.052429494 |
| Monoisotopic Mass | 112.052429494 |
| Topological Polar Surface Area | 37.3 |
| Heavy Atom Count | 8 |
| Melting Point | 274.1 °F (NTP, 1992) |
|---|---|
| Melting Point | 134.5 °C |
| Flash Point | 260 °F (NTP, 1992) |
| Flash Point | 127 °C (261 °F) - closed cup |
| Flash Point | 127 °C |
| Solubility | In water, 1910 mg/L at 30 °C |
| Solubility | In water: 0.25% at 30 °C, 3.8% at 100 °C |
| Solubility | 1.91 mg/mL at 30 °C |
| Density | 1.204 g/cu cm at 19 °C |
| Density | 1.2 g/cm³ |
sorbic acid; 110-44-1; (2E,4E)-hexa-2,4-dienoic acid; 2E,4E-Hexadienoic acid; Sorbistat; Panosorb; 2-Propenylacrylic acid; Hexadienoic acid; trans,trans-Sorbic acid; (2E,4E)-2,4-Hexadienoic acid; (E,E)-2,4-Hexadienoic acid; 2,4-Hexadienoic acid, (2E,4E)-; (E,E)-Sorbic acid; Preservastat; 2,4-Hexadienoic acid, (E,E)-; alpha-trans-gamma-trans-Sorbic acid
| 法规与食品接触 | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT FDA 21 CFR 中列出的食品接触物质清单：FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS Flavoring Agents FLAVOURING_AGENT: Flavouring Agent |
|---|---|
| GHS 通报统计 | 2.9% (63 / 2158) |
| GHS 通报统计 | 2.9% (63 / 2158) |
|---|---|
| 已通报的危害声明 | H315 (84%), H319 (94.7%), H335 (21.8%) |
(2E,4E)-六-2,4-二烯酸 · CAS 91751-55-2 · C6H8O2. UNII X045WJ989B. Melting Point: 274.1 °F (NTP, 1992); Melting Point: 134.5 °C; Flash Point: 260 °F (NTP, 1992).
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: (2E,4E)-hexa-2,4-dienoic acid