2,2'-联糠醛

2,2'-联糠醛用途

Furoin or 1,2-di-2-hydroxyethanone is an organic compound with formula C??H?O?. It can be produced from furfural by a benzoin condensation reaction catalyzed by cyanide ions.

2,2'-联糠醛名称

[ CAS 号 ]:
552-86-3

[ 中文名 ]:
2,2'-联糠醛

[ 英文名 ]:
2,2'-Furoin

[中文别名 ]:

[英文别名 ]:

EINECS 209-024-8
1,2-Di-2-furanyl-2-hydroxyethanone
FUROIN
Ethanone,1,2-di-2-furanyl-2-hydroxy
2,2'-Furoin
Furoylfurylcarbinol
2,2'-DIPYRIDINYL DISULFIDE
MFCD00003246

2,2'-联糠醛物理化学性质

[ 密度 ]:
1.32 g/cm3

[ 沸点 ]:
306.8ºC at 760 mmHg

[ 熔点 ]:
134-137 °C(lit.)

[ 分子式 ]:
C₁₀H₈O₄

[ 分子量 ]:
192.16800

[ 闪点 ]:
139.4ºC

[ 精确质量 ]:
192.04200

[ PSA ]:
63.58000

[ LogP ]:
1.78890

[ 外观性状 ]:
淡黄色至淡棕色非晶形的粉末

[ 折射率 ]:
1.557

[ 储存条件 ]:
室温，干燥

2,2'-联糠醛MSDS

2,2'-联糠醛毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KM5774095

CHEMICAL NAME :: Ethanone, 1,2-di-2-furanyl-2-hydroxy-

CAS REGISTRY NUMBER :: 552-86-3

BEILSTEIN REFERENCE NO. :: 0383995

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C10-H8-O4

MOLECULAR WEIGHT :: 192.18

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >62500 ug/kg

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

REFERENCE :: CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 2,301,1950

2,2'-联糠醛安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 安全声明 (欧洲) ]:
S24/25

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
KM5774095

[ 海关编码 ]:
2932190090

2,2'-联糠醛合成路线

2,2'-联糠醛上下游产品

2,2'-联糠醛上游产品

2,2'-联糠醛下游产品

2,2'-联糠醛制备

由糠醛在氰化钾催化下发生安息香缩合而得。将8L水，3L乙醇，4kg糠醛在水浴上加热至60-70℃，搅拌下慢慢加入200g氰化钾溶于600ml水的溶液。反应放热自动升温至80-90℃，稍后即得结晶析出。放置后过滤，用水及甲醇洗涤结晶至洗涤无色，用乙醇重结晶，即为糠偶因成品。

2,2'-联糠醛海关

[ 海关编码 ]: 2932190090

[ 中文概述 ]:
2932190090 其他结构上有非稠合呋喃环化合物. 增值税率:17.0% 退税率:9.0% 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 ]:
2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

2,2'-联糠醛文献

Liquid chromatographic analysis of guanidino compounds using furoin as a new fluorogenic reagent.

J. Pharm. Biomed. Anal. 48(3) , 754-9, (2008)

Furoin, a benzoin analogue, was examined as novel fluorogenic reagent for the selective and sensitive LC determination of various guanidines after pre-column derivatization. The derivatization reactio...

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