< 生产厂家价格 >

2-Methyl-2H-1-benzopyran-3-carbaldehyde

2-Methyl-2H-1-benzopyran-3-carbaldehyde名称

[ CAS 号 ]:
57543-42-7

[ 英文名 ]:
2-Methyl-2H-1-benzopyran-3-carbaldehyde

[英文别名 ]:

BB_NC-0837
3-formyl-2-methyl-2H-chromene
2-Methyl-2H-1-benzopyran-3-carboxaldehyde
2H-1-BENZOPYRAN-3-CARBOXALDEHYDE,2-METHYL

2-Methyl-2H-1-benzopyran-3-carbaldehyde物理化学性质

[ 密度 ]:
1.2g/cm3

[ 沸点 ]:
302.4ºC at 760 mmHg

[ 分子式 ]:
C₁₁H₁₀O₂

[ 分子量 ]:
174.19600

[ 闪点 ]:
140.7ºC

[ 精确质量 ]:
174.06800

[ PSA ]:
26.30000

[ LogP ]:
2.04980

[ 折射率 ]:
1.619

2-Methyl-2H-1-benzopyran-3-carbaldehyde毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DJ2250500

CHEMICAL NAME :: 2H-1-Benzopyran-3-carboxaldehyde, 2-methyl-

CAS REGISTRY NUMBER :: 57543-42-7

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C11-H10-O2

MOLECULAR WEIGHT :: 174.21

WISWESSER LINE NOTATION :: T66 BO CHJ C1 DVH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 800 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 11,81,1976

点击显示

2-Methyl-2H-1-benzopyran-3-carbaldehyde安全信息

[ 海关编码 ]:
2912190090

2-Methyl-2H-1-benzopyran-3-carbaldehyde合成路线

详细合成路线

2-Methyl-2H-1-benzopyran-3-carbaldehyde上下游产品

2-Methyl-2H-1-benzopyran-3-carbaldehyde上游产品

2-Methyl-2H-1-benzopyran-3-carbaldehyde下游产品

2-Methyl-2H-1-benzopyran-3-carbaldehyde海关

[ 海关编码 ]: 2912190090

[ 中文概述 ]:
HS: 2912190090. 其他无环醛（不含其他含氧基）. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 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, 四聚甲醛报明外观

[ Summary ]:
2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%