518-20-7

• 常用中文名：环香豆素
• 常用英文名：pyranocoumarin
• CAS号：518-20-7
• 分子式：C₂₀H₁₈O₄
• 分子量：322.35500
• 相关类别： 分析化学 标准品 化妆品标准品
• 发布时间：2018-08-02 11:25:58
• 更新时间：2024-01-02 15:49:55
• Cyclocumarol is an anticoagulant similar to but less potent than warfarin. This product may cause hemorrhaging if used indiscriminately.

名称

• 中文名: 环香豆素
• 英文名: 2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5-one
• 中文别名: 吡喃香豆素
• 英文别名: Pyranocumarin [German]; Cumopyran; Compound 63 link; CYCLOCUMAROL; Methanopyranorin; Cyclocoumarol; Anticoagulans 63; BL 5; Cumopyrin; Pyranocoumarin

物化性质

• 密度: 1.27g/cm3
• 沸点: 488.6ºC at 760 mmHg
• 熔点: 166°
• 分子式: C₂₀H₁₈O₄
• 分子量: 322.35500
• 闪点: 216.2ºC
• 精确质量: 322.12100
• PSA: 48.67000
• LogP: 4.07000
• 折射率: 1.624

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : UQ0335200 CHEMICAL NAME : 2H,5H-Pyrano(3,2-c)(1)benzopyran-5-one, 3,4-dihydro-2-methoxy-2-methyl-4-phenyl- CAS REGISTRY NUMBER : 518-20-7 LAST UPDATED : 199409 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C20-H18-O4 MOLECULAR WEIGHT : 322.38 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 : 4 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85ARAE "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revision Volume(issue)/page/year: 3,142,1986 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 21 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85JFAN "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc. of Chemistry, 1983-86 Volume(issue)/page/year: A355,1983 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1600 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : SMWOAS Schweizerische Medizinische Wochenschrift. (Schwabe & Co., Steintorst 13, 4010 Basel, Switzerland) V.50- 1920- Volume(issue)/page/year: 83,471,1953 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 1 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : SMWOAS Schweizerische Medizinische Wochenschrift. (Schwabe & Co., Steintorst 13, 4010 Basel, Switzerland) V.50- 1920- Volume(issue)/page/year: 83,471,1953

安全

• 符号: GHS06
• 信号词: Danger
• 危害声明: H310
• 警示性声明: P262-P280-P302 + P352 + P310-P361 + P364
• 个人防护装备: Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
• 危害码 (欧洲): T+
• 风险声明 (欧洲): 27
• 安全声明 (欧洲): 28-36/37-45
• 危险品运输编码: UN 2811
• RTECS号: UQ0335200
• 包装等级: III
• 危险类别: 6.1(b)
• 海关编码: 2932999099

海关

海关编码	2932999099
中文概述	2932999099. 其他仅含氧杂原子的杂环化合物. 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:20.0%
申报要素	品名, 成分含量, 用途
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%