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Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
HCID 16239생성일: 2026년 10월 26일

3-Butyn-2-ol

but-3-yn-2-ol · Butynol · 1-Ethynylethanol · 3-butyn-2-0l · 3-Bytyn-2-ol · 3-Butyn-2-ol · 3-Butyne-2-Ol98% · 3-Butyn-2-ol,97%

https://huagongshe.com/ko/chemical/16239

3-Butyn-2-ol 분자 구조식

식별자 및 물리적 특성

CAS No.2028-63-9
분자식C4H6O
평균 분자량70.09 g/mol
단동위원소 질량70.04186481 g/mol
SMILESC#CC(C)O
InChIKeyGKPOMITUDGXOSB-UHFFFAOYSA-N
PubChem CID16239
EC No.217-978-1
DTXSIDDTXSID3022297

화학 및 물리적 성질

XLogP0.1
극성 표면적20.2
수소 결합 공여자 수1
수소 결합 수용자 수1
회전 가능 결합 수0
무거운 원자 수5
형식 전하0
복잡도57.3
PolymersOther Classes -> Alcohols and Polyols, Other
Physical DescriptionColorless or light yellow liquid[Alfa Aesar MSDS]
녹는점-1.5°C
끓는 점66-67 °C/150 mmHg (lit.)
밀도0.894 g/mL at 25 °C (lit.)
증기압11hPa at 20℃
굴절률n20/D 1.426(lit.)
인화점78 °F
저장 조건Flammables area
용해도Completely miscible in water
pKa(산도 계수)13.28±0.20(Predicted)
물리적 상태액체
비중0.894
색상무색투명~연황색
BRN635722
InChI1S/C4H6O/c1-3-4(2)5/h1,4-5H,2H3
InChIKeyGKPOMITUDGXOSB-UHFFFAOYSA-N
SMILESCC(O)C#C
LogP(분배 계수)1.1 at 35℃
NIST3-Butyn-2-ol(2028-63-9)
EPA3-Butyn-2-ol (2028-63-9)

화학적 성질

clear colorless to light yellow liquid

안전 및 규제

GHS 분류DangerH225 (68.8%): Highly Flammable liquid and vapor [Danger Flammable liquids]P210, P233, P240, P241, P242, P243, P260, P262, P264, P264+P265, P270, P271, P273, P280, P284, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P320, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 157 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
규제 정보Chemical: 3-Butyn-2-olStatus: Active Update: 04-05-2017 https://echa.europa.eu/registration-dossier/-/registered-dossier/195613-Butyn-2-ol: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
유해성 요약A skin and strong eye irritantHighly toxic by ingestion and skin absorptionDermal LD50 (rabbit) < 200 mg/kg[Alfa Aesar MSDS]
Hazard Classes and CategoriesFlam. Liq. 2 (68.8%)
수질 위해 등급(WGK)3
TSCA 등재 상태TSCA listed
RTECS 번호ES0709800
운송 번호(UN)UN 2929 6.1/PG 2
관세 코드29052900
위험 문구(R)10-25-36/38-36/37/38-24/25
위험 표시T,F
안전 문구(S)26-45-36/37/39-16
포장분류II
위험 등급6.1Acute Tox. 2 DermalAcute Tox. 2 InhalationAcute Tox. 2 OralAquatic Chronic 3Eye Dam. 1Flam. Liq. 2Self-react. GSkin Irrit. 2
기존화학 물질KE-04393
F 고인화성물질10
위험 참고 사항Irritant
저장 분류3 - Flammable liquids