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HCID 11249作成日:2026年10月25日

2,3-Dimethyl-1-butene

1-METHYL-1-ISOPROPYLETHYLENE

https://huagongshe.com/ja/chemical/11249

2,3-Dimethyl-1-butene の分子構造式

識別子と物理属性

CAS No.27416-06-4
分子式C6H12
平均分子量84.16 g/mol
単同位体質量84.09390038 g/mol
SMILESC=C(C)C(C)C
InChIKeyOWWIWYDDISJUMY-UHFFFAOYSA-N
PubChem CID11249
EC No.209-262-2
DTXSIDDTXSID7073195

化学・物理的性質

XLogP2.8
極性表面積0
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1
重原子数6
形式電荷0
複雑度51.1
物質分類Other Classes -> Aliphatics, Unsaturated
SpringerMaterials PropertiesBoiling point
蒸気圧252.0 [mmHg]412 mm Hg ( 37.7 °C)
Physical DescriptionColorless liquid[Alfa Aesar MSDS]
融点−158 °C(lit.)
沸点56 °C(lit.)
密度0.68 g/mL at 25 °C(lit.)
屈折率n20/D 1.389(lit.)
引火点−1 °F

安全性と法規制

GHS 分類DangerH225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, 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 86 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
規制情報Chemical: 1-Butene, 2,3-dimethyl-Status: Cease Manufacture Update: 02-10-2012 https://echa.europa.eu/registration-dossier/-/registered-dossier/15981-Butene, 2,3-dimethyl-: Does not have an individual approval but may be used under an appropriate group standard
有害性の概要May cause irritationHarmful by ingestion (may cause lung damage by aspiration)[Alfa Aesar MSDS] See 3-Methyl-1-butene.
Hazard Classes and CategoriesFlam. Liq. 2 (100%)
有害作用Neurotoxin - Acute solvent syndrome
水環境危害等級(WGK)3
輸送番号(UN)UN 3295 3/PG 2
危険文句(R)11-65
危険表示F,Xn
安全措置(S)16-33-62