14736-30-2

• 常用中文名：2-乙基-4H-1-苯并吡喃-4-酮
• 常用英文名：4H-1-Benzopyran-4-one,2-ethyl-
• CAS号：14736-30-2
• 分子式：C₁₁H₁₀O₂
• 分子量：174.19600
• 发布时间：2018-12-03 21:13:21
• 更新时间：2023-01-16 17:14:40

名称

• 中文名: 2-乙基-4H-1-苯并吡喃-4-酮
• 英文名: 2-ethylchromen-4-one
• 英文别名: 2-ethyl-4H-chromen-4-one; 2-Ethylchromon; 2-ethyl-1-benzopyran-4-one; 2-Ethyl-chromen-4-one; 2-Ethylchromone; 2-Aethyl-chromen-4-on

物化性质

• 密度: 1.141g/cm3
• 沸点: 266.2ºC at 760mmHg
• 分子式: C₁₁H₁₀O₂
• 分子量: 174.19600
• 闪点: 114.9ºC
• 精确质量: 174.06800
• PSA: 30.21000
• LogP: 2.35540
• 蒸汽压: 0.00874mmHg at 25°C
• 折射率: 1.556

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : GB8114000 CHEMICAL NAME : Chromone, 3-ethyl- CAS REGISTRY NUMBER : 14736-30-2 BEILSTEIN REFERENCE NO. : 0124317 LAST UPDATED : 199612 DATA ITEMS CITED : 6 MOLECULAR FORMULA : C11-H10-O2 MOLECULAR WEIGHT : 174.21 WISWESSER LINE NOTATION : T66 BO EVJ DR HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1400 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) REFERENCE : THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 17,1211,1962 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1 gm/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) REFERENCE : THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 17,1211,1962 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1750 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) REFERENCE : THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 17,1211,1962 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1050 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) REFERENCE : THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 17,1211,1962 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 1100 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Kidney, Ureter, Bladder - other changes REFERENCE : THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 17,1211,1962 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 1250 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Kidney, Ureter, Bladder - other changes REFERENCE : THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 17,1211,1962

安全

• 海关编码: 2914190090

海关

海关编码	2914190090
中文概述	2914190090 其他不含其他含氧基的无环酮。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%
申报要素	品名, 成分含量, 用途, 丙酮报明包装
Summary	2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%