二异丁烯（CAS 25167-70-8）：分子式 C8H16、分子量 112.21。
| CAS号 | 25167-70-8 |
|---|---|
| 分子式 | C8H16 |
| 分子量 | 112.21 |
| 熔点 | -93.5 °C |
| 沸点 | 101.4 °C |
| LogP | 3.7 |
| 应用领域 | Uses: Used in organic synthesis and in antioxidants、lube additives、plasticizers、and rubber chemicals、Also used as a dispersant (co-monomer with maleic anhydride)、[HSDB] Used in organic synthesis and to improve paper coatability、[AIHA]、Pulp and Paper Processing [Category: Industry]、CHEM INT FOR OCTYLPHENOL、OCTYLDIPHENYLAMINE USED AS RUBBER CHEM、TERT-OCTYLAMINE、& ISONONYL ALCOHOL、COMONOMER WITH MALEIC ANHYDRIDE USED AS DISPERSANT、Organic synthesis、motor fuel synthesis、particularly isooctane、peroxide reactions、Alkylation、intermediates、antioxidants、rubber chemicals.、Diisobutylene- including 2、4、4-trimethyl-1-pentene isomer、2、-Trimethyl-1-pentene is a component of gasoline.、Industry Uses: Intermediate、Flotation agent、Not Known or Reasonably Ascertainable、Fuel agents、Consumer Uses: Fuel agents、Methods of Manufacturing: HEATING THE SULFURIC ACID EXTRACT OF AN ISOBUTYLENE-BUTENE STREAM FROM CATALYTIC CRACKING OF PETROLEUM、Polymerization of isobutene.、Formulations、Preparations: GRADES OF PURITY: RESEARCH GRADE: 99.86%、PURE GRADE: 99.39%、TECHNICAL GRADE: 98.7%.、Grade: 95%、99%、research、Consumption Patterns: APPROX 50% AS A CHEM INT FOR OCTYLPHENOL、17% AS A COMONOMER FOR DISPERSANTS、3% AS A CHEM INT FOR AMINES、30% FOR MISC USES、INCLUDING AS A CHEM INT FOR ISONONYL ALCOHOL AND FOR EXPORTS (1974)、U.S. Production: 2023: 500、000、000 - <1、000 lb、2022: 500、2021: 400、000 - <550、2020: 500、(1974) 2.7X10+10 GRAMS、(1975) GREATER THAN 1.36X10+6 GRAMS、U.S. Exports: (1974) 8.2X10+9 G (MISC USES INCL EXPORTS)、General Manufacturing Information: Not Known or Reasonably Ascertainable、Petroleum Refineries、Mining (except Oil and Gas) and support activities、1-Pentene、4-trimethyl-: ACTIVE、A group of isomers of the formula C8-H16、of which 2、4-trimethylpentene-1 & 2、4-trimethylpentene-2 are the most important since they are formed in appreciable amt when isobutene (isobutylene) is polymerized.、Diisobutylene |
登记用途：Uses: Used in organic synthesis and in antioxidants、lube additives、plasticizers、and rubber chemicals、Also used as a dispersant (co-monomer with maleic anhydride)、[HSDB] Used in organic synthesis and to improve paper coatability、[AIHA]、Pulp and Paper Processing [Category: Industry]、CHEM INT FOR OCTYLPHENOL、OCTYLDIPHENYLAMINE USED AS RUBBER CHEM、TERT-OCTYLAMINE、& ISONONYL ALCOHOL、COMONOMER WITH MALEIC ANHYDRIDE USED AS DISPERSANT、Organic synthesis、motor fuel synthesis、particularly isooctane、peroxide reactions、Alkylation、intermediates、antioxidants、rubber chemicals.、Diisobutylene- including 2、4、4-trimethyl-1-pentene isomer、2、-Trimethyl-1-pentene is a component of gasoline.、Industry Uses: Intermediate、Flotation agent、Not Known or Reasonably Ascertainable、Fuel agents、Consumer Uses: Fuel agents、Methods of Manufacturing: HEATING THE SULFURIC ACID EXTRACT OF AN ISOBUTYLENE-BUTENE STREAM FROM CATALYTIC CRACKING OF PETROLEUM、Polymerization of isobutene.、Formulations、Preparations: GRADES OF PURITY: RESEARCH GRADE: 99.86%、PURE GRADE: 99.39%、TECHNICAL GRADE: 98.7%.、Grade: 95%、99%、research、Consumption Patterns: APPROX 50% AS A CHEM INT FOR OCTYLPHENOL、17% AS A COMONOMER FOR DISPERSANTS、3% AS A CHEM INT FOR AMINES、30% FOR MISC USES、INCLUDING AS A CHEM INT FOR ISONONYL ALCOHOL AND FOR EXPORTS (1974)、U.S. Production: 2023: 500、000、000 - <1、000 lb、2022: 500、2021: 400、000 - <550、2020: 500、(1974) 2.7X10+10 GRAMS、(1975) GREATER THAN 1.36X10+6 GRAMS、U.S. Exports: (1974) 8.2X10+9 G (MISC USES INCL EXPORTS)、General Manufacturing Information: Not Known or Reasonably Ascertainable、Petroleum Refineries、Mining (except Oil and Gas) and support activities、1-Pentene、4-trimethyl-: ACTIVE、A group of isomers of the formula C8-H16、of which 2、4-trimethylpentene-1 & 2、4-trimethylpentene-2 are the most important since they are formed in appreciable amt when isobutene (isobutylene) is polymerized.、Diisobutylene。
二异丁烯 是一种化工化合物，登记 CAS 号为 25167-70-8，分子式 C8H16（分子量 112.21）。
登记 CAS 号：25167-70-8
其分子式 C8H16 由 8 个碳、16 个氢 组成。
别名/同义词：二异丁烯 · diisobutylene
二异丁烯 的 CAS 登记号为 25167-70-8。
分子式 C8H16，分子量 112.21。
别名/同义词：二异丁烯、diisobutylene。
登记用途：Uses: Used in organic synthesis and in antioxidants、lube additives、plasticizers、and rubber chemicals、Also used as a dispersant (co-monomer with maleic anhydride)、[HSDB] Used in organic synthesis and to improve paper coatability、[AIHA]、Pulp and Paper Processing [Category: Industry]、CHEM INT FOR OCTYLPHENOL、OCTYLDIPHENYLAMINE USED AS RUBBER CHEM、TERT-OCTYLAMINE、& ISONONYL ALCOHOL、COMONOMER WITH MALEIC ANHYDRIDE USED AS DISPERSANT、Organic synthesis、motor fuel synthesis、particularly isooctane、peroxide reactions、Alkylation、intermediates、antioxidants、rubber chemicals.、Diisobutylene- including 2、4、4-trimethyl-1-pentene isomer、2、-Trimethyl-1-pentene is a component of gasoline.、Industry Uses: Intermediate、Flotation agent、Not Known or Reasonably Ascertainable、Fuel agents、Consumer Uses: Fuel agents、Methods of Manufacturing: HEATING THE SULFURIC ACID EXTRACT OF AN ISOBUTYLENE-BUTENE STREAM FROM CATALYTIC CRACKING OF PETROLEUM、Polymerization of isobutene.、Formulations、Preparations: GRADES OF PURITY: RESEARCH GRADE: 99.86%、PURE GRADE: 99.39%、TECHNICAL GRADE: 98.7%.、Grade: 95%、99%、research、Consumption Patterns: APPROX 50% AS A CHEM INT FOR OCTYLPHENOL、17% AS A COMONOMER FOR DISPERSANTS、3% AS A CHEM INT FOR AMINES、30% FOR MISC USES、INCLUDING AS A CHEM INT FOR ISONONYL ALCOHOL AND FOR EXPORTS (1974)、U.S. Production: 2023: 500、000、000 - <1、000 lb、2022: 500、2021: 400、000 - <550、2020: 500、(1974) 2.7X10+10 GRAMS、(1975) GREATER THAN 1.36X10+6 GRAMS、U.S. Exports: (1974) 8.2X10+9 G (MISC USES INCL EXPORTS)、General Manufacturing Information: Not Known or Reasonably Ascertainable、Petroleum Refineries、Mining (except Oil and Gas) and support activities、1-Pentene、4-trimethyl-: ACTIVE、A group of isomers of the formula C8-H16、of which 2、4-trimethylpentene-1 & 2、4-trimethylpentene-2 are the most important since they are formed in appreciable amt when isobutene (isobutylene) is polymerized.、Diisobutylene。
二异丁烯（CAS 25167-70-8）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 25167-70-8 |
|---|---|
| PubChem CID | 7868 |
| Molecular formula | C8H16 |
| IUPAC name | 2,4,4-trimethylpent-1-ene |
| UNII (FDA) | N69L73ADVF |
| Molecular Weight | 112.21 |
|---|---|
| XLogP3 | 3.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 2 |
| Exact Mass | 112.125200510 |
| Monoisotopic Mass | 112.125200510 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 8 |
| Boiling Point | 101.4 °C |
|---|---|
| Boiling Point | 101 °C |
| Boiling Point | 101.4 °C @760 [mm Hg] |
| Melting Point | -93.5 °C |
| Melting Point | -93 °C |
| Flash Point | -5 °C |
| Flash Point | 23 °F (-5 °C) |
| Density | 0.7150 @ 20 °C/4 °C |
| Density | 0.715 @ 20°C |
| Vapor Density | 3.8 (AIR= 1) |
Diisobutylene; 2,4,4-TRIMETHYL-1-PENTENE; 107-39-1; 2,4,4-Trimethylpent-1-ene; 1-Pentene, 2,4,4-trimethyl-; 2,2,4-Trimethyl-4-pentene; 1-Methyl-1-neopentylethylene; NSC-8701; DTXSID4026765; 2,4,4-trimethylpentene-1; N69L73ADVF; NSC-73942; DTXCID806765; alpha-Diisobutylene; RefChem:908678; 2,4,4,-trimethyl-1-pentene
| Regulatory & Food Contact | FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS |
|---|---|
| GHS notification summary | 17.2% (66 / 384) |
| GHS notification summary | 17.2% (66 / 384) |
|---|---|
| Reported hazard statements | H225, H411, H304, H336, H400 (11.6%), H410 (74.2%) |
H225: Highly Flammable liquid and vapor [Danger Flammable liquids]
H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
diisobutylene · CAS 25167-70-8 · C8H16. UNII N69L73ADVF. Boiling Point: 101.4 °C; Boiling Point: 101 °C; Boiling Point: 101.4 °C @760 [mm Hg].
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: diisobutylene