4-Methyl-1-pentene (HCID 12724)

概要

4-methyl-1-pentene is a colorless liquid. (USCG, 1999)

名称と識別子

優先名称: 4-Methyl-1-pentene
IUPAC: 4-methylpent-1-ene
現地名: ポリ(4-メチル-1-ペンテン)
英語名: POLY(4-METHYL-1-PENTENE)
分子式: C6H12
分子量: 84.15948

名称と別名

4-METHYL-1-PENTENE691-37-24-Methylpent-1-ene1-Pentene, 4-methyl-IsobutyletheneMFCD00008949X10HRJ2Y7WNSC-15091Isohexene4-methylpentene-1UNII-X10HRJ2Y7W4-methylpentene

名称をさらに表示

ポリ(4-メチル-1-ペンテン)4-メチル-1-ペンテン重合物TPXPOLY(4-METHYL-1-PENTENE)poly(1-isopropylethylene)4-Methyl-1-pentene polymer.4-methyl-1-pentenhomopolymer4-methyl-1-pentene homopolymerPOLY(4-METHYLPENTENE-1)(ATACTIC)4-METHYL-1-PENTENE POLYMER ATACTICPOLY(4-METHYL-1-PENTENE) HIGH &POLY(4-METHYL-1-PENTENE) ISO 9001：2015 REACH

EINECS 211-720-1NSC 150914-methyl pent-1-ene4-Methylpentene-(1)EC 211-720-1SCHEMBL20071SCHEMBL20601SCHEMBL21207

データベース識別子

CAS: 25068-26-2、691-37-2
PubChem CID: 12724
DTXSID: DTXSID3061001
ChEBI: CHEBI:230295
UNII: X10HRJ2Y7W
EC Number: 211-720-1
Nikkaji: J43.507D

物性

構造計算による物性

XLogP: 2.7
極性表面積: 0 Å²
水素結合供与体数: 0
水素結合受容体数: 0
回転可能結合数: 2
重原子数: 6
形式電荷: 0
複雑度: 35.3

実験および物理化学的性質

Chemical ClassesOther Classes -> Aliphatics, Unsaturated

SpringerMaterials PropertiesBoiling point

Density0.665 (USCG, 1999) - Less dense than water; will float

Flash Point-25 °F (USCG, 1999)

Boiling Point127.4 to 129.2 °F at 760 mmHg (USCG, 1999)

Vapor Pressure · 2 件

438.93 mmHg (USCG, 1999)

272.0 [mmHg]

物理化学的性質

融点: 240 °C · 240 °C
沸点: 0.83 °C · 0.83 °C
比重(密度): 0.835 g/mL · 0.835 g/mL at 25 °C
屈折率: 20 · n20/D 1.463
外見: ビーズ
色: クリア
InChI: 1S/C6H12/c1-4-5-6(2)3/h4,6H,1,5H2,2-3H3
InChIKey: WSSSPWUEQFSQQG-UHFFFAOYSA-N
SMILES: CC(C)CC=C
CAS データベース: 25068 · 25068-26-2
EPAの化学物質情報: 1 · 1-Pentene, 4-methyl-, homopolymer (25068-26-2)

化学的性質 · 1 件

化学的特性Poly(4-methyl-1-pentene) was first introduced in 1965 by Imperial Chemical Industries Ltd (UK) but since 1975 the polymer has been manufactured solely by Mitsui Petrochemical Industries Ltd. Polymerization is carried out using a Ziegler-Natta catalyst such as titanium trichloride/diethylaluminium chloride in a hydrocarbon diluent at atmospheric pressure and 30-60°C:The commercial material contains a comonomer, possibly 1-hexene, which enhances clarity. The polymer configuration is predominantly isotactic. Generally, this material has the basic physical properties to be expected from a crystalline polyolefin but in some respects it offers significant improvements over other polyolefins. One outstanding property of poly(4-methyl-l-pentene) is the very low specific gravity, which at 0.83 is the lowest of current polymers. The crystalline melting point is 240°C and the Vicat softening temperature is 179°C; these high values mean that a useful form stability is maintained up to about 200°C. The transparency of the polymer is of a high order, being comparable to poly(methyl methacrylate) and polystyrene. Poly(4-methyl-l-pentene) exhibits resistance to oxidizing and other chemical environments broadly similar to that shown by polypropylene; however, poly(4-methyl-l-pentene) does undergo environmental stress cracking comparable to low density polyethylene. The permeability of poly(4-methyl-I-pentene) to gases and water vapour is considerably higher than that for other polyolefins. Poly(4-methyl-l-pentene) may be extruded and injection moulded using standard equipment. The material has been used in several applications where transparency and heat resistance are required, e.g. medical and laboratory ware.

安全と法規制

GHS分類

GHS Classification · 6 件

This chemical does not meet GHS hazard criteria for 4.1% (5 of 122) of reports.

Danger

H224 (18%): Extremely flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P317, P319, P321, P330, P331, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 122 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Danger

危険有害性情報

Regulatory Information · 3 件

Chemical: 1-Pentene, 4-methyl-

Status: Active Update: 21-06-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/29465

4-Methyl-1-pentene: Does not have an individual approval but may be used under an appropriate group standard

DOT LabelFlammable Liquid

Fire HazardsSpecial Hazards of Combustion Products: Vapors may travel considerable distance to source of ignition and flashback. Container explosion may occur under fire conditions. Forms explosive mixtures in air. (USCG, 1999)

Health Hazards · 1 件

Harmful if inhaled or swallowed. Vapor or mist is irritating to the eyes, mucous membrane and upper respiratory tract. Causes skin irritation. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting. (USCG, 1999)

Hazards Summary · 1 件

Short term exposure causes smarting of the skin and first degree burns, with extended exposure possibly causing second degree burns; Mist or vapor causes eye, mucous membrane, and upper respiratory tract irritation; Inhalation causes dizziness, breathing difficulty, and loss of consciousness; Harmful by ingestion and inhalation; [CHRIS] A skin and strong eye irritant; Harmful by ingestion (may cause lung damage by aspiration); [Alfa Aesar MSDS] See 1-Pentene.

Reactive GroupHydrocarbons, Aliphatic Unsaturated

安全と保護具

Fire FightingFire Extinguishing Agents Not to Be Used: Water may be ineffective.

First AidINHALATION: Call for medical aid. Remove the victim to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Nonfire Spill ResponseExcerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:

Isolation and EvacuationExcerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:

Personal Protective Equipment (PPE)Wear self-contained breathing apparatus, rubber boots, heavy rubber gloves and eye protection. (USCG, 1999)

毒性情報

Adverse EffectsNeurotoxin - Acute solvent syndrome

安全データ

wgk: 3
tsca: TSCA listed
hs_code: 39029090
化審法: 新規公示化学物質（2011年3月31日以前届出）
safety_code: 24/25
ストレージクラス: 11 - Combustible Solids

化学と産業

用途と製造

General Manufacturing Information1-Pentene, 4-methyl-: ACTIVE

応用分野

使用Coating for paper food containers for microwave and conventional ovens. Release coatings for food and synthetic leather. Molded into medical labware. Film for decorative laminates and printed circuit boards.