二苯基对苯二胺（CAS 74-31-7）：分子式 C18H16N2、分子量 260.3。
| CAS号 | 74-31-7 |
|---|---|
| 分子式 | C18H16N2 |
| 分子量 | 260.3 |
| 熔点 | 293 to 306 °F (NTP, 1992) |
| 沸点 | 428 to 437 °F at 0.5 mmHg (NTP, 1992) |
| LogP | 5 |
| 应用领域 | Uses: Used as antioxidant (rubber、polyethylene、feedstuffs、petroleum、vegetable oils、animal fats、and oils)、polymerization inhibitor、copper degradation inhibitor、and as an intermediate (dyes、drugs、plastics、and detergents)、[HSDB]、Petroleum Production and Refining [Category: Industry]、ANTIOXIDANT FOR RUBBER、POLYETHYLENE、FEEDSTUFFS、PETROLEUM、VEGETABLE OILS、ANIMAL FATS & OILS、POLYMERIZATION INHIBITOR、Polymerization inhibitor、antioxidant for rubber、petr oils、feedstuffs.、THERAP CAT (VET): Antioxidant for feedstuffs、Flex-resistant antioxidant in rubbers、stabilizer、retards copper degradation、intermediate for dyes、plastics and detergents.、Industry Uses: Other、Chemical reaction regulator、Consumer Uses: Lubricating agent、Methods of Manufacturing: Prepd by condensing hydroquinone or p-aminophenol with aniline: Calm、Ber 16、2805 (1883)、Clemens、Magoffin、US patent 2、503、712 (1950 to Kodak). Purification: Pecherer、833、824 (1958 to Hoffmann-La Roche).、... from hydroquinone and aniline、acid cat.、Formulations、Preparations: Purity: 9.2% (min)、Flexamine G、is、trademark for mixt of N、N'-diphenyl-para-phenylenediamine and complex diarylamine-ketone reaction product. Uses: antioxidant used in tires、camelback、wire insulation、neoprene belting and soles.、U.S. Production: 2023: <75、000 lb、2022: 500、000 - <1、000、2021: 500、2020: 500、(1972) 8.13X10+8 GRAMS、(1975) 4.85X10+8 GRAMS、General Manufacturing Information: Plastics Material and Resin Manufacturing、Petroleum Lubricating Oil and Grease Manufacturing、Synthetic Rubber Manufacturing、1、4-Benzenediamine、N1、N4-diphenyl-: ACTIVE、...ITS DISTRIBUTION WAS...STOPPED IN 1956 BY US FDA.、IN ORDER TO PREVENT OXIDATION OF VITAMIN E & TO STABILIZE VITAMIN A & CAROTENE IN MIXED ANIMAL FEEDS IT...、BECAME、COMMERCIAL PRACTICE TO ADD ANTIOXIDANTS. PROBABLY MOST WIDELY USED COMPD WAS DPPD...WHICH WAS USUALLY ADDED TO POULTRY FEEDS IN CONCN OF 0.025%. |
登记用途：Uses: Used as antioxidant (rubber、polyethylene、feedstuffs、petroleum、vegetable oils、animal fats、and oils)、polymerization inhibitor、copper degradation inhibitor、and as an intermediate (dyes、drugs、plastics、and detergents)、[HSDB]、Petroleum Production and Refining [Category: Industry]、ANTIOXIDANT FOR RUBBER、POLYETHYLENE、FEEDSTUFFS、PETROLEUM、VEGETABLE OILS、ANIMAL FATS & OILS、POLYMERIZATION INHIBITOR、Polymerization inhibitor、antioxidant for rubber、petr oils、feedstuffs.、THERAP CAT (VET): Antioxidant for feedstuffs、Flex-resistant antioxidant in rubbers、stabilizer、retards copper degradation、intermediate for dyes、plastics and detergents.、Industry Uses: Other、Chemical reaction regulator、Consumer Uses: Lubricating agent、Methods of Manufacturing: Prepd by condensing hydroquinone or p-aminophenol with aniline: Calm、Ber 16、2805 (1883)、Clemens、Magoffin、US patent 2、503、712 (1950 to Kodak). Purification: Pecherer、833、824 (1958 to Hoffmann-La Roche).、... from hydroquinone and aniline、acid cat.、Formulations、Preparations: Purity: 9.2% (min)、Flexamine G、is、trademark for mixt of N、N'-diphenyl-para-phenylenediamine and complex diarylamine-ketone reaction product. Uses: antioxidant used in tires、camelback、wire insulation、neoprene belting and soles.、U.S. Production: 2023: <75、000 lb、2022: 500、000 - <1、000、2021: 500、2020: 500、(1972) 8.13X10+8 GRAMS、(1975) 4.85X10+8 GRAMS、General Manufacturing Information: Plastics Material and Resin Manufacturing、Petroleum Lubricating Oil and Grease Manufacturing、Synthetic Rubber Manufacturing、1、4-Benzenediamine、N1、N4-diphenyl-: ACTIVE、...ITS DISTRIBUTION WAS...STOPPED IN 1956 BY US FDA.、IN ORDER TO PREVENT OXIDATION OF VITAMIN E & TO STABILIZE VITAMIN A & CAROTENE IN MIXED ANIMAL FEEDS IT...、BECAME、COMMERCIAL PRACTICE TO ADD ANTIOXIDANTS. PROBABLY MOST WIDELY USED COMPD WAS DPPD...WHICH WAS USUALLY ADDED TO POULTRY FEEDS IN CONCN OF 0.025%.。
二苯基对苯二胺 是一种化工化合物，登记 CAS 号为 74-31-7，分子式 C18H16N2（分子量 260.3）。
登记 CAS 号：74-31-7
其分子式 C18H16N2 由 18 个碳、16 个氢、2 个氮 组成。
别名/同义词：二苯基对苯二胺 · Diphenyl-p-phenylenediamine
二苯基对苯二胺 的 CAS 登记号为 74-31-7。
分子式 C18H16N2，分子量 260.3。
别名/同义词：二苯基对苯二胺、Diphenyl-p-phenylenediamine。
登记用途：Uses: Used as antioxidant (rubber、polyethylene、feedstuffs、petroleum、vegetable oils、animal fats、and oils)、polymerization inhibitor、copper degradation inhibitor、and as an intermediate (dyes、drugs、plastics、and detergents)、[HSDB]、Petroleum Production and Refining [Category: Industry]、ANTIOXIDANT FOR RUBBER、POLYETHYLENE、FEEDSTUFFS、PETROLEUM、VEGETABLE OILS、ANIMAL FATS & OILS、POLYMERIZATION INHIBITOR、Polymerization inhibitor、antioxidant for rubber、petr oils、feedstuffs.、THERAP CAT (VET): Antioxidant for feedstuffs、Flex-resistant antioxidant in rubbers、stabilizer、retards copper degradation、intermediate for dyes、plastics and detergents.、Industry Uses: Other、Chemical reaction regulator、Consumer Uses: Lubricating agent、Methods of Manufacturing: Prepd by condensing hydroquinone or p-aminophenol with aniline: Calm、Ber 16、2805 (1883)、Clemens、Magoffin、US patent 2、503、712 (1950 to Kodak). Purification: Pecherer、833、824 (1958 to Hoffmann-La Roche).、... from hydroquinone and aniline、acid cat.、Formulations、Preparations: Purity: 9.2% (min)、Flexamine G、is、trademark for mixt of N、N'-diphenyl-para-phenylenediamine and complex diarylamine-ketone reaction product. Uses: antioxidant used in tires、camelback、wire insulation、neoprene belting and soles.、U.S. Production: 2023: <75、000 lb、2022: 500、000 - <1、000、2021: 500、2020: 500、(1972) 8.13X10+8 GRAMS、(1975) 4.85X10+8 GRAMS、General Manufacturing Information: Plastics Material and Resin Manufacturing、Petroleum Lubricating Oil and Grease Manufacturing、Synthetic Rubber Manufacturing、1、4-Benzenediamine、N1、N4-diphenyl-: ACTIVE、...ITS DISTRIBUTION WAS...STOPPED IN 1956 BY US FDA.、IN ORDER TO PREVENT OXIDATION OF VITAMIN E & TO STABILIZE VITAMIN A & CAROTENE IN MIXED ANIMAL FEEDS IT...、BECAME、COMMERCIAL PRACTICE TO ADD ANTIOXIDANTS. PROBABLY MOST WIDELY USED COMPD WAS DPPD...WHICH WAS USUALLY ADDED TO POULTRY FEEDS IN CONCN OF 0.025%.。
二苯基对苯二胺（CAS 74-31-7）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 74-31-7 |
|---|---|
| PubChem CID | 6319 |
| Molecular formula | C18H16N2 |
| IUPAC name | 1-N,4-N-diphenylbenzene-1,4-diamine |
| UNII (FDA) | DD517SCM92 |
| Molecular Weight | 260.3 |
|---|---|
| XLogP3 | 5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 4 |
| Exact Mass | 260.131348519 |
| Monoisotopic Mass | 260.131348519 |
| Topological Polar Surface Area | 24.1 |
| Heavy Atom Count | 20 |
| Boiling Point | 428 to 437 °F at 0.5 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 220-225 °C @ 0.5 mm Hg |
| Melting Point | 293 to 306 °F (NTP, 1992) |
| Melting Point | 150-151 °C |
| Flash Point | 400 °F (NTP, 1992) |
| Flash Point | 232 °C c.c. |
| Density | 1.20 |
| Vapor Density | 9.0 (Air= 1) |
| Vapor Pressure | 0.00000001 [mmHg] |
| Vapor Pressure | 6.35X10-9 mm Hg @ 25 °C |
74-31-7; N,N'-Diphenyl-p-phenylenediamine; N,N'-Diphenyl-1,4-phenylenediamine; DPPD; Diphenyl-p-phenylenediamine; AgeRite DPPD; 1,4-Dianilinobenzene; Flexamine G; Nonflex H; Diafen FF; Nonox DPPD; Antioxidant H; DFFD; Stabilizer DPPD; Altofane DIP; 1,4-Bis(phenylamino)benzene
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS |
|---|
| Reported hazard statements | H317, H412, H341 (42.3%), H361 (42.3%), H400 (42.3%), H410 (21.4%) |
|---|
H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Diphenyl-p-phenylenediamine · CAS 74-31-7 · C18H16N2. UNII DD517SCM92. Boiling Point: 428 to 437 °F at 0.5 mmHg (NTP, 1992); Boiling Point: 220-225 °C @ 0.5 mm Hg; Melting Point: 293 to 306 °F (NTP, 1992).
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Diphenyl-p-phenylenediamine