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化工社化工社 化学情報印刷レポート · 研究参考用
HCID 20913作成日:2026年10月24日

クロトノニトリル (cis-, trans-混合物)

クロトノニトリル (cis-, trans-混合物) · 2-ブテノニトリル · 2-ブテンニトリル · (1-13C)-2-ブテンニトリル · クロトンニトリル (CIS-, TRANS-混合物) · CROTONONITRILE · CROTONITRILE · but-2-enenitrile

https://huagongshe.com/ja/chemical/20913

クロトノニトリル (cis-, trans-混合物) の分子構造式

識別子と物理属性

CAS No.4786-20-3
分子式C4H5N
平均分子量67.09 g/mol
単同位体質量67.04219916 g/mol
SMILESCC=CC#N
InChIKeyNKKMVIVFRUYPLQ-UHFFFAOYSA-N
PubChem CID20913
EC No.225-335-1
DTXSIDDTXSID0063604
現地名クロトノニトリル (cis-, trans-混合物)

化学・物理的性質

XLogP0.8
極性表面積23.8
水素結合供与体数0
水素結合受容体数1
回転可能結合数0
重原子数5
形式電荷0
複雑度72.9
物質分類Nitrogen Compounds -> NitrilesFlammable agents - 3rd degree
SpringerMaterials PropertiesBoiling point
引火点16 °C17 °C
蒸気圧32.0 [mmHg]
Physical DescriptionSoluble in water (25 g/L at 25 deg C)[ChemIDplus] Slightly yellow clear liquid[MSDSonline]
融点-51.5°C
沸点120-121 °C(lit.)
密度0.824 g/mL at 25 °C(lit.)
屈折率n20/D 1.419(lit.)
貯蔵条件Flammables area
外観・状態liquid
BRN1719747
ヘンリー定数8.8×10-2 mol/(m3Pa) at 25℃, Duchowicz et al. (2020)
InChIInChI=1S/C4H5N/c1-2-3-4-5/h2-3H,1H3
InChIKeyNKKMVIVFRUYPLQ-UHFFFAOYSA-N
SMILESC(#N)C=CC
CAS データベース4786-20-3(CAS DataBase Reference)
EPAの化学物質情報2-Butenenitrile (4786-20-3)

化学的特性

CLEAR LIGHT YELLOW LIQUID

安全性と法規制

GHS 分類DangerH225 (99.5%): Highly Flammable liquid and vapor [Danger Flammable liquids]P203, P210, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P308+P316, P316, P317, P318, P319, P321, P330, 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 209 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
規制情報Status: Active Update: 05-05-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/25843Crotonic acid nitrile: Does not have an individual approval but may be used under an appropriate group standardThe New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
有害性の概要Corrosive to skin and eyes[eChemPortal: ERMA] A corrosive substance that can cause injury to the skin, eyes, and respiratory tractCauses lacrimation and may cause chemical pneumonitis and pulmonary edema after inhalation of high concentrationsMay cause liver injury[MSDSonline] See NITRILES.
Hazard Classes and CategoriesFlam. Liq. 2 (99.5%)Flammable agents - 3rd degree, Reactive agents - 1st degree
有害作用Occupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.
水環境危害等級(WGK)3
TSCA 収載状態TSCA listed
RTECS 番号GQ6322000
輸送番号(UN)UN 2924 3/PG 2
税関コード29269090
危険文句(R)11-22-36/37/38-26-16
化審法新規公示化学物質(2011年3月31日以前届出)
危険表示F,Xn
安全措置(S)16-26-36
危険等級3.1Acute Tox. 4 OralEye Irrit. 2Flam. Liq. 2Skin Irrit. 2STOT SE 3
包装等級II
貯蔵分類3 - Flammable liquids

用途

一般的な説明

Neurotoxic properties of crotononitrile have been investigated. Mechanism of the Baylis-Hillman reaction of crotononitrile and benzaldehyde in the presence of 1,4-diazabicyclo[2,2,2]octane (catalyst) has been investigated.

製法・合成法

純化方法

Separate the mixture by preparative GLC on a column using 5% FFAP on Chromosorb G. [Lewis et al. J Am Chem Soc 108 2818 1986, Beilstein 2 IV 1507.]