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HCID 371생성일: 2026년 10월 26일

2-아자안트라퀴논 산

2-아자안트라퀴논산 · But-2-ynedioic acid · 2-BUTYNEDIOIC ACID · 2-Butynedioate · NSC-1903 · NSC-631597 · Butyne acid · butynedioicaci

https://huagongshe.com/ko/chemical/371

2-아자안트라퀴논 산 분자 구조식

식별자 및 물리적 특성

CAS No.142-45-0
분자식C4H2O4
평균 분자량114.06 g/mol
단동위원소 질량113.99530854 g/mol
SMILESO=C(O)C#CC(=O)O
InChIKeyYTIVTFGABIZHHX-UHFFFAOYSA-N
PubChem CID371
ChEMBLCHEMBL1874364
ChEBICHEBI:30781
EC No.205-536-0
DTXSIDDTXSID3059715
현지명2-아자안트라퀴논 산

화학 및 물리적 성질

XLogP0.1
극성 표면적74.6
수소 결합 공여자 수2
수소 결합 수용자 수4
회전 가능 결합 수0
무거운 원자 수8
형식 전하0
복잡도161
물질 분류Other Classes -> Other Organic Compounds
SpringerMaterials PropertiesCrystal structure
Physical DescriptionBeige crystalline solid[Sigma-Aldrich MSDS]
녹는점180-187 °C (dec.) (lit.)
끓는 점133.5°C (rough estimate)
밀도1.1794 (rough estimate)
굴절률1.5260 (estimate)
인화점131 °C
저장 조건2-8°C
용해도메탄올(약간 용해됨), 물
pKa(산도 계수)pK1: 1.75pK2: 4.40 (25°C)
물리적 상태결정질 분말 또는 결정
색상흰색 또는 크림색에서 베이지색까지
용해도녹는
BRN878357
InChI1S/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)
InChIKeyYTIVTFGABIZHHX-UHFFFAOYSA-N
SMILESOC(=O)C#CC(O)=O
NIST2-Butynedioic acid(142-45-0)
EPA2-Butynedioic acid (142-45-0)

화학적 성질

cream coloured to beige crystalline powder or

안전 및 규제

GHS 분류DangerH301 (95.8%): Toxic if swallowed [Danger Acute toxicity, oral]P260, P261, P262, P264, P264+P265, P270, P271, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P319, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P363, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
규제 정보2-Butynedioic acid: 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 irritantToxic by ingestion[Sigma-Aldrich MSDS] See Butynediol and Propiolic acid.
Hazard Classes and CategoriesAcute Tox. 3 (95.8%)
수질 위해 등급(WGK)3
TSCA 등재 상태TSCA listed
운송 번호(UN)UN 2811 6.1/PG 3
관세 코드29171990
위험 문구(R)25-36/37/38
위험 표시T,Xi
안전 문구(S)26-45-37/39
포장분류II
위험 등급6.1Acute Tox. 3 OralEye Irrit. 2Skin Irrit. 2STOT SE 3
기존화학 물질KE-04382
저장 분류6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects

용도

용도

Acetylenedicarboxylic acid is employed in the preparation of dimethyl acetylenedicarboxylate and potassium hydrogenacetylenedicarboxylate. It is also used as a laboratory reagent. Further, it is used as a precursor in organic synthesis and also serves as a pharmaceutical intermediate.