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tert-부틸리튬

tert-부틸리튬
tert-부틸리튬 구조식 이미지
카스 번호:
594-19-4
한글명:
tert-부틸리튬
동의어(한글):
tert-부틸리튬;테르트-부틸리튬
상품명:
tert-Butyllithium
동의어(영문):
T-BULI;T-BUTYLLITHIUM;TERT-BUTYLLITHIUM;LITHIUM TERT-BUTYL;Nominally1.5Minn-Pentane;tert-Butyllithium solution;(1,1-Dimethylethyl)lithium;(1,1-dimethylethyl)-lithiu;T-BuLi1.7Msolutioninpentane;(1,1-dimethylethyl)-Lithium
CBNumber:
CB2229465
분자식:
C4H9Li
포뮬러 무게:
64.06
MOL 파일:
594-19-4.mol

tert-부틸리튬 속성

끓는 점
36-40 °C
밀도
0.69 g/mL at 20 °C
증기 밀도
~3 (vs air)
인화점
20 °F
저장 조건
2-8°C
물리적 상태
liquid
색상
slightly cloudy
감도
Air & Moisture Sensitive
BRN
3587204
InChIKey
BKDLGMUIXWPYGD-UHFFFAOYSA-N
CAS 데이터베이스
594-19-4(CAS DataBase Reference)
EPA
Lithium, (1,1-dimethylethyl)- (594-19-4)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 F,C,N
위험 카페고리 넘버 11-15-17-34-51/53-65-66-67-50/53-38-14/15
안전지침서 26-36/37/39-43-45-62-61-16-33-9
유엔번호(UN No.) UN 3394 4.2/PG 1
WGK 독일 1
F 고인화성물질 3-10
TSCA Yes
위험 등급 4.3
포장분류 I
HS 번호 29319090
기존화학 물질 2014-3-6117
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H225 고인화성 액체 및 증기 인화성 액체 구분 2 위험 P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H250 공기에 노출되면 스스로 발화함 자연발화성 액체;자연발화성 고체 구분 1 위험 P210, P222, P280, P302+P334,P370+P378, P422
H252 대량 자기발열성;(or 대량으로 존재시 자기발열성;) 화재를 일으킬 수 있음 자기발열성 물질 및 혼합물 구분 2 경고 P235+P410, P280, P407, P413, P420
H260 물과 접촉시 자연 발화성 인화성 가스를 발생시킴 물반응성 물질 및 혼합물 구분 1 위험 P223, P231+P232, P280, P335+ P334,P370+P378, P402+P404, P501
H304 삼켜서 기도로 유입되면 치명적일 수 있음 흡인 유해성물질 구분 1 위험
H314 피부에 심한 화상과 눈에 손상을 일으킴 피부부식성 또는 자극성물질 구분 1A, B, C 위험 P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H318 눈에 심한 손상을 일으킴 심한 눈 손상 또는 자극성 물질 구분 1 위험 P280, P305+P351+P338, P310
H336 졸음 또는 현기증을 일으킬 수 있음 특정표적장기 독성 물질(1회 노출);마취작용 구분 3 경고 P261, P271, P304+P340, P312,P403+P233, P405, P501
H410 장기적 영향에 의해 수생생물에 매우 유독함 수생 환경유해성 물질 - 만성 구분 1 경고 P273, P391, P501
H411 장기적 영향에 의해 수생생물에 유독함 수생 환경유해성 물질 - 만성 구분 2
예방조치문구:
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P222 공기에 접촉하지 마시오.
P223 물과 접촉하지 마시오.
P231+P232 불활성 기체 하에서 취급하고, 습기를 방지하시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P370+P378 화재 시 불을 끄기 위해 (Section 5. 폭발, 화재시 대처방법의 적절한 소화제)을(를) 사용하시오.
P405 밀봉하여 저장하시오.
P422 적절한 물질을(를) 충진하여 보관하시오.

tert-부틸리튬 C화학적 특성, 용도, 생산

개요

tert-Butyllithium solution (tert-BuLi) is an organolithium compound, used as a strong base in organic chemistry. It facilitates lithium-halogen exchange reaction and also can be employed in the deprotonation of C-H compounds and amines. it has applications in organic synthesis since it is a strong base, capable of deprotonating many carbon molecules, including benzene. tert-Butyllithium is available commercially as hydrocarbon solutions; it is not usually prepared in the laboratory. Its synthesis was first reported by R. B. Woodward in 1941.

화학적 성질

tert-Butyllithium is a colorless crystalline solid or colourless to pale yellow solution. It is more reactive than n- or sec-butyllithium and has similar properties. However, it is thermally stable. Dixon and co-workers have heated tert-Butyllithium to 100°C for 20 hr with little decomposition.

용도

제조 방법

tert-Butyllithium is not sold in large quantities. The industrial and laboratory preparations are the same: the reaction of t-butyl chloride with lithium metal in a hydrocarbon solvent. However, tert-Butyllithium is much more difficult to produce than the other isomeric butyllithium compounds and some special precautions must be taken to obtain good yields. Principally, the lithium metal must be finely divided and must contain several percent sodium. It has also been found that t-butyl alcohol in the butyl chloride is beneficial. The solvent of choice is pentane. Vigorous reflux is necessary for good yield since it apparently helps to remove lithium chloride from the surface of the metal, and pentane refluxes at about the optimum temperature. If hexane is used at the same temperature, a significantly lower yield is obtained.

주요 응용

tert-Butyllithium solution can be used as a strong base in the synthesis of:
Alkyllithium derivatives form alkyl iodides and diiodoalkanes by halogen-lithium exchange reaction.
Inorganic polymer [(LiMo3Se3)n] from [(InMo3Se3)n] by reductive intercalation method.
Adducts of cinnamic acid (1,3- and 1,4-adducts) by reacting with C-C double of cinnamic acid.

tert-부틸리튬 준비 용품 및 원자재

원자재

준비 용품

Indole-5-carboxaldehyde 3-Bromofuran ETHYL 3-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLATE 3-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBONITRILE (3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-YL)METHANOL 5-CHLORO-3-METHYLBENZO[B]THIOPHENE-2-SULFONAMIDE 1-METHYL-1H-INDOLE-5-BORONIC ACID 2,2-DIMETHYL PROPANE DIOL-1,3-CYCLIC ESTER 3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-AMINE 디 -tert- 부틸 클로로 포스 핀 트리 -t- 부틸 포스 포늄 테트라 플루오로 보레이트 3-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOL-4-AMINE ORNOPROSTIL TERT-BUTYL 3-FORMYLPYRIDIN-4-YLCARBAMATE 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBALDEHYDE (3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-YL)METHANAMINE 3-METHOXY-PYRIDINE-2-CARBALDEHYDE 터트-뷰틸클로로다이메틸실란 5-Acetylindole 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID (3-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOL-4-YL)METHANOL 3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE-4-CARBONITRILE 1-TERT-BUTYL-4-BROMO-5-(TRIFLUOROMETHYL)-1H-PYRAZOLE Indole-4-boronic acid DI-TERT-BUTYLDICHLOROSILANE 1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID ETHYL 1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLATE (3-BROMO-PYRIDIN-4-YL)-CARBAMIC ACID TERT-BUTYL ESTER 5-CHLORO-3-METHYLBENZO[B]THIOPHENE-2-SULFONYL CHLORIDE N-(6-FLUORO-3-FORMYLPYRIDIN-2-YL)PIVALAMIDE 4-BROMO-2-(TRIFLUOROMETHYL)-5-METHOXYPYRIDINE (1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-4-YL)METHANOL TERT-BUTYL 4-FORMYLPYRIDIN-3-YLCARBAMATE ETHYL 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLATE 2-METHOXY-3-PYRIDINECARBOXALDEHYDE 5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE-4-CARBALDEHYDE 3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE-4-CARBALDEHYDE 트리 -tert- 부틸 포스 핀 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-4-AMINE (1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-4-YL)METHANAMINE

tert-부틸리튬 공급 업체

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