p-클로로톨루엔

p-클로로톨루엔
p-클로로톨루엔 구조식 이미지
카스 번호:
106-43-4
한글명:
p-클로로톨루엔
동의어(한글):
4-클로로톨루엔;p-클로로톨루엔
상품명:
4-Chlorotoluene
동의어(영문):
1-CHLORO-4-METHYLBENZENE;P-CHLOROTOLUENE;chlorotoluenes;1-chloro-4-methyl-benzen;4-CHLORO-1-METHYLBENZENE;UPD;p-ChL;p-Chlortoluol;4-Chlortoluol;4-Chlorotoluen
CBNumber:
CB9852675
분자식:
C7H7Cl
포뮬러 무게:
126.58
MOL 파일:
106-43-4.mol
MSDS 파일:
SDS

p-클로로톨루엔 속성

녹는점
6-8 °C(lit.)
끓는 점
162 °C(lit.)
밀도
1.07 g/mL at 25 °C(lit.)
증기 밀도
4.38 (vs air)
증기압
10 mm Hg ( 45 °C)
굴절률
n20/D 1.52(lit.)
인화점
121 °F
저장 조건
2-8°C
용해도
0.040g/L
물리적 상태
액체
색상
투명한
수소이온지수(pH)
7.4 (H2O)(saturated aqueous solution)
폭발한계
0.7-12.2%(V)
수용성
20°C에서 <0.1g/100mL
Merck
14,2171
BRN
1903635
Dielectric constant
6.0800000000000001
안정성
안정적인. 타기 쉬운. 강한 산화제와 호환되지 않습니다.
LogP
3.33 at 20℃
CAS 데이터베이스
106-43-4(CAS DataBase Reference)
NIST
Benzene, 1-chloro-4-methyl-(106-43-4)
EPA
p-Chlorotoluene (106-43-4)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn,N,T,F
위험 카페고리 넘버 20-51/53-39/23/24/25-23/24/25-11-10-43
안전지침서 24/25-61-45-36/37-16-7
유엔번호(UN No.) UN 2238 3/PG 3
WGK 독일 2
RTECS 번호 XS9010000
위험 참고 사항 Harmful
TSCA Yes
위험 등급 3
포장분류 III
HS 번호 29036990
HS 번호 29337900
유해 물질 데이터 106-43-4(Hazardous Substances Data)
기존화학 물질 KE-05730
그림문자(GHS): GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
신호 어: Warning
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H226 인화성 액체 및 증기 인화성 액체 구분 3 경고
H317 알레르기성 피부 반응을 일으킬 수 있음 피부 과민성 물질 구분 1 경고 GHS hazard pictograms P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H332 흡입하면 유해함 급성 독성 물질 흡입 구분 4 경고 GHS hazard pictograms P261, P271, P304+P340, P312
H411 장기적 영향에 의해 수생생물에 유독함 수생 환경유해성 물질 - 만성 구분 2
예방조치문구:
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P233 용기를 단단히 밀폐하시오. 용기는 환기가 잘 되는 곳에 단단히 밀폐하여 보관하시오.
P273 환경으로 배출하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
NFPA 704
2
2 0

p-클로로톨루엔 MSDS


4-Chlorotoluene

p-클로로톨루엔 C화학적 특성, 용도, 생산

화학적 성질

Colorless oily liquid. Slightly soluble in water. Soluble in ethanol, ether, acetone, benzene and chloroform.

용도

4-Chlorotoluene is used in a variety of organic synthesis, such as acting as coupling precursors for palladium-catalyzed acylation of acetanilides. It is also used for the preparation model gas of 4-chlorotoulene by passing synthesized air into liquid 4-chlorotoulene.

주요 응용

4-chlorotoluene is used as a solvent and intermediate for dyes and other organic chemicals. It is used mainly to produce p-chlorobenzotrichloride, from whichis obtained p-chlorobenzotrifluoride, an important precursor of herbicides (e.g., trifluralin:α,α,α,-trifluoro-2,6-dinitro-N,Ndipropyl-p-toluidine). Other side-chain-chlorinated products or their derivatives are 4- chlorobenzyl chloride (for pharmaceuticals, rice herbicides, and pyrethrin insecticides), 4- chlorobenzaldehyde (for dyes and pharmaceuticals), 4-chlorobenzoyl chloride (for pharmaceuticals and peroxides), and 4-chlorobenzoic acid (for dyes). 4-Chlorotoluene is also a starting material in the synthesis of 2,4- and 3,4-dichlorotoluene and of 4-chlorobenzonitrile. [ChemicalBook]

정의

ChEBI: 4-Chlorotoluene is a member of monochlorobenzenes. It is an intermediate for the manufacture of Fenvalerate, Paclobutrazol, Uniconazole, Trifluralin,Thiobencarb, Daimuron and other pesticides.

제조 방법

4-Chlorotoluene is obtained from p-toluidine by diazotization and substitution. Add p-toluidine and hydrochloric acid to the reaction pot and stir and heat until dissolved at 60℃, then cool to below 15℃ and add sodium nitrite solution dropwise. After reaching the end point, continue to stir for 0.5h. Add cuprous chloride hydrochloric acid solution and stir at room temperature for 3h. Then raise the temperature to 60℃ and keep for 0.5h, cool to room temperature and leave to stratify, discard the acid water layer, wash with water to neutral, filter and get p-chlorotoluene.

일반 설명

The reaction of 4-chlorotouleneand phenylboronic acid with Pd(OAc)2/L?2HX as the catalyst is the model reaction for determining the efficiencies of bisimidazolylidene (L) ligand precursors.

위험도

Avoid inhalation; strong irritant.

Safety Profile

Moderately toxic by ingestion. Mdly toxic by inhalation. Flammable when exposed to heat or flame. When heated to decomposition it emits toxic fumes of Cl-. See also TOLYL CHLORIDE and CHLORINATED HYDROCARBONS, AROMATIC.

Purification Methods

Dry it with BaO, fractionally distil it, then fractionally crystallise it by partial freezing. [Beilstein 5 IV 806.]

p-클로로톨루엔 준비 용품 및 원자재

원자재

준비 용품


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