N,N-DIMETHYLHYDROXYLAMINE HYDROCHLORIDE

N,N-DIMETHYLHYDROXYLAMINE HYDROCHLORIDE 구조식 이미지
카스 번호:
16645-06-0
상품명:
N,N-DIMETHYLHYDROXYLAMINE HYDROCHLORIDE
동의어(영문):
DIMETHYLHYDROXYLAMINEHYDROCHLORIDE;N,N-DIMETHYLHYDROXYLAMINE HYDROCHLORIDE;N-hydroxy-N,N-dimethylamine hydrochloride;N,N-Dimethylhydroxylamine hydrochloride 99%
CBNumber:
CB0305325
분자식:
C2H8ClNO
포뮬러 무게:
97.54
MOL 파일:
16645-06-0.mol
MSDS 파일:
SDS

N,N-DIMETHYLHYDROXYLAMINE HYDROCHLORIDE 속성

녹는점
107-109 °C (lit.)
BRN
3905683
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xi
위험 카페고리 넘버 36/38
안전지침서 26-36
WGK 독일 3
F 고인화성물질 3
그림문자(GHS): GHS hazard pictograms
신호 어: Warning
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H315 피부에 자극을 일으킴 피부부식성 또는 자극성물질 구분 2 경고 GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
예방조치문구:
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P302+P352 피부에 묻으면 다량의 물로 씻으시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P332+P313 피부 자극이 생기면 의학적인 조치· 조언을 구하시오.
P337+P313 눈에 대한 자극이 지속되면 의학적인 조치· 조언를 구하시오.

N,N-DIMETHYLHYDROXYLAMINE HYDROCHLORIDE C화학적 특성, 용도, 생산

용도

N,N-Dimethylhydroxylamine hydrochloride was used in the synthesis of 4,4-dimethyl-2,5,5-triphenyl-l.3-dioxa-4-azonia-2-bora-5-boratacyclopentane. It was also used as a polymer-chain terminator.

제조 방법

(a) Preparation of N,N-Dimethyl~(a-phenylethyl)amine Oxide. To a flask containing 11.0 g (0.074 mole) of N,N-dimethyl(a-phenylethyl)amine is added dropwise 18.3 g (0.19 mole) of 35% aqueous hydrogen peroxide, and the mixture is stirred for 11 hr at room temperature. The excess hydrogen peroxide is decomposed by stirring the mixture with 8 sqcm2 clean platinum foil until the evolution of oxygen ceases. Most of the water is removed by distillation at 35 mm Hg, at a bath temperature of 45-55°C. The material that condenses in the dry-ice trichloroethylene trap is saved for recovery in Procedure (b). The residual syrup is diluted with 25 ml of absolute ethanol, and the process is repeated twice while a capillary ni­trogen ebulliator is used. The resulting amine oxide is a viscous syrup and has a slight odor of styrene.
(b) Decomposition of N,N-Dimethyl-(a-phenylethyl)amine Oxide to Ν,Ν-Dimethylhydroxylamine. A 100 ml round bottom flask equipped with a capillary nitrogen inlet, and containing the preceding amine oxide is connected by a large-diameter tube to a condenser set for distillation with two receivers. Each receiver is cooled in a mixture of dry ice and trichlo­roethylene. The system is evacuated to 5 mm, and the flask is immersed in an oil bath at 85°C. The bath temperature is raised slowly to 115°C over a 35-min period, in which time most of the material distilled over. The bath temperature is finally raised to 150°C, in order to complete the (decom­position) distillation process. The residue remaining averages 0.35 g. The distillate in the dry-ice trap here and from Procedure (a) are combined, pentane is added as a solvent, and the mixture is washed with dilute hydrochloric acid. The acid solution is extracted with pentane, the latter washed with water until neutral.
The product is obtained from the combined aqueous layers containing hydrochloric acid by concentration under reduced pressure, to give a crys­talline residue. The latter, upon drying in a vacuum desiccator over P2O5 averages 6.73 g (94% yield), m.p. 101-101°C (sealed capillary). Recrys-tallization several times from a mixture of absolute ethanol and ether gives white, hygroscopic needles, m.p. 106.5-109°C (sealed capillary).
Preparation of Ν,Ν-Dimethylhydroxylamine Hydrochloride

N,N-DIMETHYLHYDROXYLAMINE HYDROCHLORIDE 준비 용품 및 원자재

원자재

준비 용품


N,N-DIMETHYLHYDROXYLAMINE HYDROCHLORIDE 공급 업체

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