3,4-다이하이드로피란
3,4-dihydro-2H-pyran
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기본 정보
- CAS
110-87-2- 표준 SMILES
C1=COCCC1- InChIKey
BUDQDWGNQVEFAC-UHFFFAOYSA-N- 분자식
- C5H8O
- 평균 분자량
- 84.12 g/mol
- 단동위원소 질량
- 84.05751488
개요
Dihydro-2h-pyran appears as a clear colorless liquid with an ethereal odor. Less dense than water. Vapors heavier than air.
이름 및 식별자
- 우선 이름
- 3,4-dihydro-2H-pyran
- IUPAC
- 3,4-dihydro-2H-pyran
- 현지명
- 3,4-다이하이드로피란
- 영어명
- 3,4-Dihydro-2H-pyran
- 분자식
- C5H8O
- 분자량
- 84.12
이름 및 동의어
3,4-Dihydro-2H-pyran110-87-2DIHYDROPYRAN3,4-Dihydropyran2,3-Dihydro-4H-pyran2H-3,4-Dihydropyran5,6-Dihydro-4H-pyran2H-Pyran, 3,4-dihydro-delta2-DihydropyranPyran, dihydro-DTXSID6041426T6V9N71IHX
이름 더 보기
2,3-다이하이드로피란2,3-디하이드로피란2,3-디히드로피란3,4-다이하이드로피란DHP3,4-Dihydro-2H-pyraneDIHYDROPYRANE3,4-Dihydro-2-pyran3,4-dihydro-2h-pyra
NSC-57860NSC-73472DTXCID4021426RefChem:910852,3-DIHYDRO-GAMMA-PYRAN203-810-4Dihydro-2H-pyran2,3-Dihydropyran
데이터베이스 식별자
- CAS
110-87-2、25512-65-6、3174-74-1- PubChem CID
- 8080
- DTXSID
DTXSID6041426- ChEMBL
CHEMBL3184439- UNII
- T6V9N71IHX
- EC Number
- 203-810-4
- Nikkaji
- J43.463I
물성
구조 계산 물성보충 중
- XLogP
- 0.7
- 극성 표면적
- 9.2 Ų
- 수소 결합 공여자 수
- 0
- 수소 결합 수용자 수
- 1
- 회전 가능 결합 수
- 0
- 무거운 원자 수
- 6
- 형식 전하
- 0
- 복잡도
- 57
실험 및 물리화학적 성질
Chemical Classes
Other Classes -> Ethers, Other
Flammable agents - 3rd degree
SpringerMaterials PropertiesCoriolis coupling
LogP0.69
Density0.922 @ 19°C
Flash Point0 °F (NFPA, 2010)
Physical Description
Dihydro-2h-pyran appears as a clear colorless liquid with an ethereal odor. Less dense than water. Vapors heavier than air.
Liquid
Clear colorless liquid with an ethereal odor; [CAMEO] Unpleasant odor; [Alfa Aesar MSDS]
물리화학적 성질
- 녹는점
- -70 °C · -70 °C (lit.)
- 끓는 점
- 86 °C · 86 °C (lit.)
- 밀도
- 0.922 g/mL · 0.922 g/mL at 25 °C (lit.)
- 증기 밀도
- 2.9 · 2.9 (vs air)
- 증기압
- 77.8 hPa · 77.8 hPa (20 °C)
- 굴절률
- 20 · n20/D 1.440(lit.)
안전 및 규제
안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
GHS 분류
GHS Classification
Danger
H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]
P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P272, P280, P302+P352, P303+P361+P353, P305+P351+P338, P321, P332+P317, P333+P317, P337+P317, P362+P364, P370+P378, P403+P235, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 180 reports by companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Warning
H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
유해성 정보
Regulatory Information
Chemical: 2H-Pyran, 3,4-dihydro-
2H-Pyran, 3,4-dihydro- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 2H-Pyran, 3,4-dihydro- 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: 29-11-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/12042
2H-Pyran, 3,4-dihydro-: HSNO Approval: HSR001129 Approved with controls
The 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.)
DOT LabelFlammable Liquid
Fire Hazards
Excerpt from ERG Guide 127 [Flammable Liquids (Water-Miscible)]:
· HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Health Hazards
Excerpt from ERG Guide 127 [Flammable Liquids (Water-Miscible)]:
· Inhalation or contact with material may irritate or burn skin and eyes.
Hazards Summary
화학 및 산업
용도 및 제조
UsesPermitted for use as an inert ingredient in non-food pesticide products; [EPA] Used in organic syntheses; [REPROTOX]
U.S. Production2023: 75,000 - <500,000 lb
Industry UsesIntermediate
General Manufacturing Information
All Other Basic Organic Chemical Manufacturing
2H-Pyran, 3,4-dihydro-: ACTIVE
응용 분야
용도Widely used hydroxyl-protecting reagent3,4-Dihydro-2H-pyran is used as a hydroxyl-protecting reagent in organic synthesis. It acts as an intermediate in synthetic chemistry. It is used to protect various reactive functional groups. It is involved in the polymerization reaction either alone or with unsaturated compound and finds application in polymer industries. Further, it is employed in the preparation of bicyclic compounds of epoxide-fused, halo compounds and allenic alcohols.
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