semiquinone radicals (CAS 3225-29-4) — formula C6H4O2, molecular weight 108.09; category organic chemicals.
| CAS Number | 3225-29-4 |
|---|---|
| Molecular Formula | C6H4O2 |
| Molecular Weight | 108.09 |
| Melting Point | 240.3 °F (NTP, 1992) |
| Boiling Point | ~180 °C |
| LogP | 0.2 |
| Applications | 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 |
| Category | Organic Chemicals |
Documented applications: 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.
semiquinone radicals is a carbon-based organic compound with CAS registry number 3225-29-4 and molecular formula C6H4O2 (molecular weight 108.09), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 3225-29-4
Its molecular formula C6H4O2 comprises 6 C, 4 H, 2 O atoms.
Also known as: semiquinone radicals · 半醌自由基
Category: organic chemicals
The CAS registry number of semiquinone radicals is 3225-29-4.
Molecular formula C6H4O2, molecular weight 108.09.
It is also registered under: semiquinone radicals, 半醌自由基.
Recorded applications: 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.
Category: Organic Chemicals.
Independent reference data for semiquinone radicals (CAS 3225-29-4), compiled from public chemistry databases.
| 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.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 半醌自由基