기본 정보
- 표준 SMILES
C1COCCOCCOCCO1- InChIKey
XQQZRZQVBFHBHL-UHFFFAOYSA-N- 분자식
- C8H16O4
- 평균 분자량
- 176.21 g/mol
- 단동위원소 질량
- 176.10485899
개요
12-crown-4 is a crown ether that is cyclododecane in which the carbon atoms at positions 1, 4, 7 and 10 have been replaced by oxygen atoms. It is a saturated organic heteromonocyclic parent and a crown ether.
이름 및 식별자
- 우선 이름
- 1,4,7,10-Tetraoxacyclododecane
- IUPAC
- 1,4,7,10-tetraoxacyclododecane
- 영어명
- 12-Crown-4
- 분자식
- C8H16O4
- 분자량
- 176.21
이름 및 동의어
이름 더 보기
데이터베이스 식별자
- CAS
294-93-9- PubChem CID
- 9269
- DTXSID
DTXSID6059780- ChEMBL
CHEMBL4566196- ChEBI
CHEBI:32399- UNII
- K6069P2C2A
- EC Number
- 206-036-5
- Nikkaji
- J66.351D
물성
구조 계산 물성
- XLogP
- 0
- 극성 표면적
- 36.9 Ų
- 수소 결합 공여자 수
- 0
- 수소 결합 수용자 수
- 4
- 회전 가능 결합 수
- 0
- 무거운 원자 수
- 12
- 형식 전하
- 0
- 복잡도
- 65.1
실험 및 물리화학적 성질
물리화학적 성질
- 녹는점
- 16 °C · 16 °C (lit.)
- 끓는 점
- 61 · 61-70 °C/0.5 mmHg (lit.)
- 밀도
- 1.089 g/mL · 1.089 g/mL at 25 °C (lit.)
- 굴절률
- 20 · n20/D 1.463(lit.)
- 인화점
- 230 °F · >230 °F
- 저장 조건
- Keep in dark place,Sealed in dry,Room Temperature
- 물리적 상태
- 녹은 후에 액체
- Specific Gravity
- 1.115 · 1.115 (20℃)
- 색상
- 무색투명~미황색
- 수용성
- 혼용 가능
- BRN
- 1363064 · 1363064
- InChI
- 1S/C8H16O4/c1-2-10-5-6-12-8-7-11-4-3-9-1/h1-8H2
- InChIKey
- XQQZRZQVBFHBHL-UHFFFAOYSA-N
- SMILES
- C1COCCOCCOCCO1
- NIST
- 12 · 12-Crown-4(294-93-9)
- EPA
- 1 · 1,4,7,10-Tetraoxacyclododecane (294-93-9)
화학적 성질
clear colorless to slightly yellow liquid after
안전 및 규제
GHS 분류
GHS Classification
Danger
H319 (11.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P260, P264+P265, P271, P280, P284, P304+P340, P305+P351+P338, P316, P320, P337+P317, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 45 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
유해성 정보
Regulatory Information
Chemical: 1,4,7,10-Tetraoxacyclododecane
1,4,7,10-Tetraoxacyclododecane: Does not have an individual approval but may be used under an appropriate group standard
안전 데이터
- wgk
- 3
- tsca
- TSCA listed
- rtecs
- XF0550000
- ridadr
- UN 2810
- 독성
- LD50 oral in rat: 2830mg/kg
- HS 번호
- 29329995
- risk_code
- 26-36/37/38-20/21/22
- hazard_code
- T+,Xn,Xi
- safety_code
- 28-36/37-45-36-26
- 포장분류
- III
- 위험 등급
- 6.1
- F 고인화성물질
- 3-9-23
- Hazard Classifications
- Acute Tox. 1 Inhalation
- 스토리지 클래스
- 6.1A - Combustible acute toxic Cat. 1 and 2very toxic hazardous materials
화학 및 산업
용도 및 제조
응용 분야
용도12-Crown-4 can be used as: A promoter in the synthesis of poly(diethylsiloxane) (PDES) from monomer hexaethylcyclotrisiloxane using NaOH as a catalyst via anionic ring-opening polymerization. As an additive in the preparation of triarylmethane derivatives by palladium-catalyzed cross coupling reaction of aryl bromides with diarylmethane derivatives. A phase transfer catalyst in organic synthesis.
일반 설명12-Crown-4 is a crown ether generally used as a ligand in coordination chemistry. It is also known as lithium ionophore because of its strong chelating property specific to lithium cation.
공급사50 곳
추가 설명
정의ChEBI: A crown ether that is cyclododecane in which the carbon atoms at positions 1, 4, 7 and 10 have been replaced by oxygen atoms.
관련 반응
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