CHLOROXURON

한글명:CHLOROXURON

카스 번호1982-47-4

상품명:CHLOROXURON

CBNumberCB7113279

분자식C15H15ClN2O2

포뮬러 무게290.74

MOL 파일1982-47-4.mol

화학적 성질

녹는점	151-152℃
끓는 점	459.3±41.0 °C(Predicted)
밀도	1.270
굴절률	1.5200 (estimate)
인화점	>100 °C
저장 조건	0-6°C
용해도	클로로포름 (약간 용해됨), DMSO (약간 용해됨)
산도 계수 (pKa)	14.37±0.70(Predicted)
수용성	3.7mg/L(20℃)
BRN	2814275
안정성	안정적인. 강한 산화제와 호환되지 않습니다.
EPA	Chloroxuron (1982-47-4)

위험 및 안전 성명

위험품 표기	N
위험 카페고리 넘버	50/53
안전지침서	60-61
유엔번호(UN No.)	UN3077 9/PG 3
WGK 독일	2
RTECS 번호	YS6125000
유해 물질 데이터	1982-47-4(Hazardous Substances Data)
독성	LC50 (96-hour) for rainbow trout >100 mg/L, bluegill sunfish 28 mg/L and crucian carp >150 mg/L (Hartley and Kidd, 1987); LC50 (48-hour) for bluegill sunfish 25.0 mg/L (Verschueren, 1983); acute oral LD50 for male and female rats 3,700 and 5,400 mg/kg, respectively (Hartley and Kidd, 1987).

그림문자(GHS)

CHLOROXURON 화학적 특성, 용도, 생산

화학적 성질
Chloroxuron is a combustible, colorless crystalline solid
용도
Herbicide.
일반 설명
Odorless colorless powder or white crystals. Used as a selective pre- and early post-emergence herbicide in soybeans, strawberries, various vegetable crops and ornamentals. Root- and foliage-absorbed herbicide selective in leek, celery, onion, carrot and strawberry.
반응 프로필
Fire may produce irritating or poisonous gases. When heated to decomposition CHLOROXURON emits very toxic fumes of chlorides and nitrogen oxides. [EPA, 1998].
건강위험
This is highly toxic by ingestion. Under certain conditions, CHLOROXURON will form carcinogenic dimethylnitrosamine.
화재위험
(Non-Specific -- Pesticide, Solid, n.o.s.) Fire may produce irritating or poisonous gases. When heated to decomposition CHLOROXURON emits very toxic fumes of chlorides and nitrogen oxides.
잠재적 노출
A potential danger to those involved in the manufacture, formulation, and application of chloroxuron for use as a selective pre- and early postemergency herbicide in soybeans, strawberries; various vegetable crops, and ornamentals. It is a root- and foliageabsorbed herbicide selective in leek, celery, onion, carrot, and strawberry.
환경귀착
Soil. Hartley and Kidd (1987) reported 4-(4-chlorophenoxy)aniline as a soil metabolite. Chloroxuron was degraded by microorganisms in humus soil and a sandy loam to form N′-(4-chlorophenoxy)phenyl-N-methylurea, N′-(4-chloro-phenoxy)phenylurea and (4- chlorophenoxy)aniline and two minor unidentified compounds (Geissbühler et al., 1963a). Residual activity in soil is limited to approximately 4 months (Hartley and Kidd, 1987).
Plant. In plants, chloroxuron is degraded to monomethylated and demethylated derivatives followed by decarboxylation forming 4-(4-chlorophenoxy)aniline (Humburg et al., 1989)
Photolytic. The UV irradiation of an aqueous solution of chloroxuron for 13 hours resulted in 90% decomposition of the herbicide. Products identified (% yield) were mono- (2.2%) and didemethylated (4.2%) products and carbon dioxide (64%) (Plimmer
Chemical/Physical. Hydrolyzes in strong acids and bases forming 4-(4-chloro-phenoxy)aniline (Hartley and Kidd, 1987). Emits toxic fumes of nitrogen oxides, cyanides and chlorine when heated to decomposition (Sax and Lewis, 1987)
운송 방법
UN2767 Phenylurea pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials
비 호환성
Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides.
폐기물 처리
Incinerate in a unit with effluent gas scrubbing. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

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