半醌自由基（CAS 3225-29-4）：分子式 C6H4O2、分子量 108.09。
| CAS号 | 3225-29-4 |
|---|---|
| 分子式 | C6H4O2 |
| 分子量 | 108.09 |
| 熔点 | 240.3 °F (NTP, 1992) |
| 沸点 | ~180 °C |
| LogP | 0.2 |
| 应用领域 | Uses: Quinone is used as a chemical intermediate、a polymerization inhibitor、an oxidizing agent、a photographic chemical、a tanning agent、and a chemical reagent.、Used in the production of hydroquinone、dyes、and fungicides、also used as an oxidizing agent and photographic chemical、[ACGIH]、Photographic Processing [Category: Other]、TANNING HIDES、MAKING GELATIN INSOL、STRENGTHENING ANIMAL FIBERS、FOR P-BENZOQUINONEDIOXIME、A RUBBER ACCELERATOR、FOR QUINHYDRONE USED IN PH ELECTRODES、FOR 2、3-DICHLORO-5、6-DICYANOBENZOQUINONE、CHEM INTERMEDIATE FOR DYES-EG、VAT YELLOW 5 (FORMER USE)、USED IN COSMETIC INDUSTRIES PRIMARILY BECAUSE OF ITS ABILITY TO TRANSFORM CERTAIN NITROGEN-CONTAINING CMPD INTO VARIETY OF COLORED SUBSTANCES、1、4-Benzoquinone is used in the manufacture of unsaturated polyesters as a polymerization inhibitor、For more Uses (Complete) data for 1、4-BENZOQUINONE (11 total)、please visit the HSDB record page.、Use (kg、approx.) in Germany (2009): >10、Consumption (g per capita、approx.) in Germany (2009): 0.000122、Calculated removal (%): 92.4、This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions、catabolic reactions or waste generation.、Industry Uses: Polymerization promoter、Methods of Manufacturing: QUINONE CAN BE PREPD ... BY THE REDUCTION OF HYDROQUINONE WITH BROMIC ACID.、OXIDATION OF ANILINE WITH MANGANESE DIOXIDE & SULFURIC ACID、4-Benzoquinone is prepd、by the oxidation of aniline with chromic acid、extraction with ether and distillation.、Formulations、Preparations: PARA-QUINONE IS AVAILABLE IN USA AS TECHNICAL GRADE ... GRADE AVAILABLE IN JAPAN HAS PURITY OF OVER 99%.、Available、... in assay 98% grades.、U.S. Production: 2023: 19、841 lb、2022: 44、092 lb、2021: 59、414 lb、2020: 11、023 lb、(1977) AT LEAST 4.59X10+7 G、(1982) PROBABLY GREATER THAN 2.27X10+6 G、U.S. Imports: (1977) 3.78X10+6 G (PRINCIPLE CUSTOMS DISTRICTS)、General Manufacturing Information: All Other Chemical Product and Preparation Manufacturing、2、5-Cyclohexadiene-1、4-dione: ACTIVE、4-Benzoquinone reacts with trialkylboranes to produce alkyl substituted hydroquinones |
登记用途：Uses: Quinone is used as a chemical intermediate、a polymerization inhibitor、an oxidizing agent、a photographic chemical、a tanning agent、and a chemical reagent.、Used in the production of hydroquinone、dyes、and fungicides、also used as an oxidizing agent and photographic chemical、[ACGIH]、Photographic Processing [Category: Other]、TANNING HIDES、MAKING GELATIN INSOL、STRENGTHENING ANIMAL FIBERS、FOR P-BENZOQUINONEDIOXIME、A RUBBER ACCELERATOR、FOR QUINHYDRONE USED IN PH ELECTRODES、FOR 2、3-DICHLORO-5、6-DICYANOBENZOQUINONE、CHEM INTERMEDIATE FOR DYES-EG、VAT YELLOW 5 (FORMER USE)、USED IN COSMETIC INDUSTRIES PRIMARILY BECAUSE OF ITS ABILITY TO TRANSFORM CERTAIN NITROGEN-CONTAINING CMPD INTO VARIETY OF COLORED SUBSTANCES、1、4-Benzoquinone is used in the manufacture of unsaturated polyesters as a polymerization inhibitor、For more Uses (Complete) data for 1、4-BENZOQUINONE (11 total)、please visit the HSDB record page.、Use (kg、approx.) in Germany (2009): >10、Consumption (g per capita、approx.) in Germany (2009): 0.000122、Calculated removal (%): 92.4、This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions、catabolic reactions or waste generation.、Industry Uses: Polymerization promoter、Methods of Manufacturing: QUINONE CAN BE PREPD ... BY THE REDUCTION OF HYDROQUINONE WITH BROMIC ACID.、OXIDATION OF ANILINE WITH MANGANESE DIOXIDE & SULFURIC ACID、4-Benzoquinone is prepd、by the oxidation of aniline with chromic acid、extraction with ether and distillation.、Formulations、Preparations: PARA-QUINONE IS AVAILABLE IN USA AS TECHNICAL GRADE ... GRADE AVAILABLE IN JAPAN HAS PURITY OF OVER 99%.、Available、... in assay 98% grades.、U.S. Production: 2023: 19、841 lb、2022: 44、092 lb、2021: 59、414 lb、2020: 11、023 lb、(1977) AT LEAST 4.59X10+7 G、(1982) PROBABLY GREATER THAN 2.27X10+6 G、U.S. Imports: (1977) 3.78X10+6 G (PRINCIPLE CUSTOMS DISTRICTS)、General Manufacturing Information: All Other Chemical Product and Preparation Manufacturing、2、5-Cyclohexadiene-1、4-dione: ACTIVE、4-Benzoquinone reacts with trialkylboranes to produce alkyl substituted hydroquinones。
半醌自由基 是一种化工化合物，登记 CAS 号为 3225-29-4，分子式 C6H4O2（分子量 108.09）。
登记 CAS 号：3225-29-4
其分子式 C6H4O2 由 6 个碳、4 个氢、2 个氧 组成。
别名/同义词：半醌自由基 · semiquinone radicals
半醌自由基 的 CAS 登记号为 3225-29-4。
分子式 C6H4O2，分子量 108.09。
别名/同义词：半醌自由基、semiquinone radicals。
登记用途：Uses: Quinone is used as a chemical intermediate、a polymerization inhibitor、an oxidizing agent、a photographic chemical、a tanning agent、and a chemical reagent.、Used in the production of hydroquinone、dyes、and fungicides、also used as an oxidizing agent and photographic chemical、[ACGIH]、Photographic Processing [Category: Other]、TANNING HIDES、MAKING GELATIN INSOL、STRENGTHENING ANIMAL FIBERS、FOR P-BENZOQUINONEDIOXIME、A RUBBER ACCELERATOR、FOR QUINHYDRONE USED IN PH ELECTRODES、FOR 2、3-DICHLORO-5、6-DICYANOBENZOQUINONE、CHEM INTERMEDIATE FOR DYES-EG、VAT YELLOW 5 (FORMER USE)、USED IN COSMETIC INDUSTRIES PRIMARILY BECAUSE OF ITS ABILITY TO TRANSFORM CERTAIN NITROGEN-CONTAINING CMPD INTO VARIETY OF COLORED SUBSTANCES、1、4-Benzoquinone is used in the manufacture of unsaturated polyesters as a polymerization inhibitor、For more Uses (Complete) data for 1、4-BENZOQUINONE (11 total)、please visit the HSDB record page.、Use (kg、approx.) in Germany (2009): >10、Consumption (g per capita、approx.) in Germany (2009): 0.000122、Calculated removal (%): 92.4、This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions、catabolic reactions or waste generation.、Industry Uses: Polymerization promoter、Methods of Manufacturing: QUINONE CAN BE PREPD ... BY THE REDUCTION OF HYDROQUINONE WITH BROMIC ACID.、OXIDATION OF ANILINE WITH MANGANESE DIOXIDE & SULFURIC ACID、4-Benzoquinone is prepd、by the oxidation of aniline with chromic acid、extraction with ether and distillation.、Formulations、Preparations: PARA-QUINONE IS AVAILABLE IN USA AS TECHNICAL GRADE ... GRADE AVAILABLE IN JAPAN HAS PURITY OF OVER 99%.、Available、... in assay 98% grades.、U.S. Production: 2023: 19、841 lb、2022: 44、092 lb、2021: 59、414 lb、2020: 11、023 lb、(1977) AT LEAST 4.59X10+7 G、(1982) PROBABLY GREATER THAN 2.27X10+6 G、U.S. Imports: (1977) 3.78X10+6 G (PRINCIPLE CUSTOMS DISTRICTS)、General Manufacturing Information: All Other Chemical Product and Preparation Manufacturing、2、5-Cyclohexadiene-1、4-dione: ACTIVE、4-Benzoquinone reacts with trialkylboranes to produce alkyl substituted hydroquinones。
半醌自由基（CAS 3225-29-4）的独立参考数据，整理自公开化学数据库。
| CAS 号 | 3225-29-4 |
|---|---|
| PubChem CID | 4650 |
| 分子式 | C6H4O2 |
| IUPAC 名称 | cyclohexa-2,5-diene-1,4-dione |
| UNII（FDA） | 3T006GV98U |
| Molecular Weight | 108.09 |
|---|---|
| XLogP3 | 0.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 108.021129366 |
| Monoisotopic Mass | 108.021129366 |
| Topological Polar Surface Area | 34.1 |
| Heavy Atom Count | 8 |
| Boiling Point | ~180 °C |
|---|---|
| Melting Point | 240.3 °F (NTP, 1992) |
| Melting Point | 115.7 °C |
| Melting Point | 116 °C |
| Melting Point | 115 °C |
| Melting Point | 240 °F |
| Flash Point | 559 °F (NTP, 1992) |
| Flash Point | 93 °C |
| Flash Point | 100-200 °F (38-93 °C) (CLOSED CUP) |
| Flash Point | 38-93 °C |
p-benzoquinone; 1,4-BENZOQUINONE; Benzoquinone; Quinone; 106-51-4; p-Quinone; cyclohexa-2,5-diene-1,4-dione; para-Benzoquinone; Chinone; 2,5-Cyclohexadiene-1,4-dione; para-Quinone; Cyclohexadienedione; 1,4-Benzoquine; 1,4-Cyclohexadienedione; Steara pbq; 1,4-Dioxybenzene
| 法规与食品接触 | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA 21 CFR 中列出的食品接触物质清单：FCS |
|---|
| 已通报的危害声明 | H301, H315, H319, H331, H335, H400, H317 (13.8%), H341 (13.8%) |
|---|
半醌自由基 · CAS 3225-29-4 · C6H4O2. UNII 3T006GV98U. Boiling Point: ~180 °C; Melting Point: 240.3 °F (NTP, 1992); Melting Point: 115.7 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: semiquinone radicals