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Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
HCID 1048생성일: 2026년 10월 23일

피라졸

피라졸 · 1H-PYRAZOLE · PYRAZOL · 1H-Pyrazol · Pyrrazole · α-yrromonazole · Pyrazole, pure, 98% · PYRAZOLE

https://huagongshe.com/ko/chemical/1048

피라졸 분자 구조식

식별자 및 물리적 특성

CAS No.288-13-1
분자식C3H4N2
평균 분자량68.08 g/mol
단동위원소 질량68.03744813 g/mol
SMILESc1cn[nH]c1
InChIKeyWTKZEGDFNFYCGP-UHFFFAOYSA-N
PubChem CID1048
ChEMBLCHEMBL15967
ChEBICHEBI:17241
EC No.206-017-1
DTXSIDDTXSID2059774
현지명피라졸

화학 및 물리적 성질

XLogP0.3
극성 표면적28.7
수소 결합 공여자 수1
수소 결합 수용자 수1
회전 가능 결합 수0
무거운 원자 수5
형식 전하0
복잡도28.1
물질 분류Nitrogen Compounds -> Pyrazoles
의약품Pharmaceuticals -> Listed in ZINC15
SpringerMaterials Properties15N nuclear magnetic resonance spectrum
LogP(분배 계수)0.13
증기압1.19 [mmHg]21Pa at 20℃
Physical DescriptionLiquidSolid with an odor like pyridine[Merck Index] Colorless crystalline solid[Sigma-Aldrich MSDS]
Dissociation Constants2.48 (at 25 °C)
Collision Cross Section125.47 Ų [M+H]+ [CCS Type: DTMethod: stepped-field]
녹는점67-70 °C (lit.)
끓는 점186-188 °C (lit.)
밀도1.4088 (rough estimate)
굴절률1.4203
인화점186-188°C
저장 조건Store below +30°C.
용해도클로로포름, 메탄올에 용해됨
물리적 상태결정 또는 결정성 분말
pKa(산도 계수)2.49(at 25℃)
색상흰색에서 노란색으로
용해도녹는
비열Cp(crystal): 1.19 J/(g·K), at 25℃
Merck14,7960
BRN103775
InChI1S/C3H4N2/c1-2-4-5-3-1/h1-3H,(H,4,5)
InChIKeyWTKZEGDFNFYCGP-UHFFFAOYSA-N
SMILESc1cn[nH]c1
LogP(분배 계수)0.33 at 25℃
NIST1H-Pyrazole(288-13-1)
EPAPyrazole (288-13-1)

화학적 성질

white to yellow crystals or crystalline powder

안전 및 규제

GHS 분류This chemical does not meet GHS hazard criteria for 0.4% (1 of 265) of reports.DangerH302 (98.9%): Harmful if swallowed [Warning Acute toxicity, oral]P260, P261, P262, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 265 reports by companies from 21 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
규제 정보Chemical: 1H-Pyrazole1H-Pyrazole is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1H-Pyrazole are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 26-02-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/23403Pyrazole: Does not have an individual approval but may be used under an appropriate group standard
유해성 요약Equivocal evidence of teratogenicity in miceTeratogenic effects observed in intraperitoneal study of rats (route of administration not relevant to humans)[REPROTOX] Causes zonal hepatitis and coma in oral lethal-dose studies of rats[RTECS] A skin and strong eye irritantHarmful by ingestionTeratogenicity observed in rats[Sigma-Aldrich MSDS]
Hazard Classes and CategoriesAcute Tox. 4 (98.9%)
유해 작용Occupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.
수질 위해 등급(WGK)1
TSCA 등재 상태TSCA listed
RTECS 번호UQ4900000
운송 번호(UN)2811
독성LD50 (24 hr) in rats, mice (mmol/kg): 19, 21 i.v.21, 22 orally (Magnussen)
관세 코드29331990
위험 문구(R)22-36/37/38-52-20/21/22
위험 표시Xn
안전 문구(S)26-36/37-61-37/39-36
포장분류III
위험 등급6.1(b)Acute Tox. 3 DermalAcute Tox. 4 OralAquatic Chronic 3Eye Dam. 1Skin Irrit. 2STOT RE 1
기존화학 물질KE-29923
저장 분류6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects

용도

개요

다이아졸2(두 개의 질소 원자와 세 개의 탄소 원자로 이루어진 다섯 원자 고리 화합물).

용도

Pyrazole is used in organic synthesis and asa chelating agent.

일반 설명

Pyrazine is a heterocyclic crystalline aromatic compound with a five-membered ring containing three carbon atoms and two nitrogen atoms. It is a symmetricdiazine.