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17751-24-5

17751-24-5结构式
17751-24-5结构式

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英文名 (2,6-difluorophenyl)methylurea
英文别名 Urea,(2,6-difluorobenzyl)
(2,6-Difluorophenylmethyl)urea
2,6-Difluor-benzylharnstoff
N-(2,6-difluorobenzyl) urea
2,6-difluorobenzyl urea
密度 1.327g/cm3
沸点 276.4ºC at 760mmHg
分子式 C8H8F2N2O
分子量 186.15900
闪点 121ºC
精确质量 186.06000
PSA 56.11000
LogP 2.03780
蒸汽压 0.00481mmHg at 25°C
折射率 1.524

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YS9808000
CHEMICAL NAME :
Urea, (2,6-difluorobenzyl)-
CAS REGISTRY NUMBER :
17751-24-5
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C8-H8-F2-N2-O
MOLECULAR WEIGHT :
186.18

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1600 mg/kg
TOXIC EFFECTS :
Behavioral - changes in motor activity (specific assay)
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 11,814,1968

海关编码 2924299090
海关编码 2924299090
中文概述 2924299090. 其他环酰胺(包括环氨基甲酸酯)(包括其衍生物以及他们的盐). 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%
申报要素 品名, 成分含量, 用途, 包装
Summary 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%