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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 220164作成日:2026年10月26日

2-シクロペンテン-1-オール

2-シクロペンテン-1-オール · シクロペンタ-2-エン-1-オール · 2-Cyclopentenol · cyclopent-2-enol · cyclopenten-1-ol · 2-Cyclopentene-1-ol · cyclopent-2-en-1-ol · 2-Cyclopenten-1-ol (6CI, 7CI, 8CI, 9CI, ACI)

https://huagongshe.com/ja/chemical/220164

2-シクロペンテン-1-オール の分子構造式

識別子と物理属性

CAS No.3212-60-0
分子式C5H8O
平均分子量84.12 g/mol
単同位体質量84.05751488 g/mol
SMILESOC1C=CCC1
InChIKeyPSBABBDEUFNFKJ-UHFFFAOYSA-N
PubChem CID220164
EC No.221-725-0
DTXSIDDTXSID10883962
現地名2-シクロペンテン-1-オール

化学・物理的性質

XLogP0.6
極性表面積20.2
水素結合供与体数1
水素結合受容体数1
回転可能結合数0
重原子数6
形式電荷0
複雑度66.3
融点-57.55°C
沸点114.43°C (rough estimate)
密度0.8880 (rough estimate)
屈折率1.4316 (estimate)
貯蔵条件Storage temp. 2-8°C
pKa(酸解離定数)14.67±0.20(Predicted)
InChIInChI=1S/C5H8O/c6-5-3-1-2-4-5/h1,3,5-6H,2,4H2
InChIKeyPSBABBDEUFNFKJ-UHFFFAOYSA-N
SMILESC1(O)CCC=C1
EPAの化学物質情報2-Cyclopenten-1-ol (3212-60-0)

安全性と法規制

GHS 分類DangerH225 (50%): Highly Flammable liquid and vapor [Danger Flammable liquids]P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P317, P319, P321, 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 2 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
規制情報PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.
Hazard Classes and CategoriesFlam. Liq. 2 (50%)
TSCA 収載状態TSCA listed
毒性rabbit,LD50,skin,141uL/kg (0.141mL/kg),BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)LIVER: OTHER CHANGESSKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE",National Technical Information Service. Vol. OTS0534929,