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5-甲基-2-糠醛

5-甲基-2-糠醛用途

5-Methylfurfural 是一种天然存在的物质,存在于香烟烟雾凝结物,甘草精油,储存的脱水橙粉,烤土豆粉,挥发性化合物的烤牛肉,香气浓缩的海绵蛋糕,面包,咖啡,茶和可可种[1]。是一种调味剂。

5-甲基-2-糠醛名称

[ CAS 号 ]:
620-02-0

[ 中文名 ]:
5-甲基呋喃醛

[ 英文名 ]:
5-Methyl-2-furaldehyde

[中文别名 ]:

[英文别名 ]:

2-Furancarboxaldehyde, 5-methyl-
5-Methylfuran-2-carbaldehyd
5-Methylfurfural
T5OJ BVH E1
5-Methyl-2-furaldehyde
5-Methyl-2-furancarboxaldehyde
EINECS 210-622-6
5-Methylfuran-2-carboxaldehyde
MFCD00003232
5-methylfuran-2-carbaldehyde

5-甲基-2-糠醛生物活性

[ 描述 ]:

[ 相关类别 ]:

信号通路 >> 其他 >> 其他

天然产物 >> 其他

研究领域 >> 其他

[相关活性小分子]

5-甲基-2-糠醛物理化学性质

[ 密度 ]:
1.1±0.1 g/cm3

[ 沸点 ]:
187.0±0.0 °C at 760 mmHg

[ 分子式 ]:
C₆H₆O₂

[ 分子量 ]:
110.111

[ 闪点 ]:
72.8±0.0 °C

[ 精确质量 ]:
110.036781

[ PSA ]:
30.21000

[ LogP ]:
1.19

[ 外观性状 ]:
无色至淡黄色液体

[ 蒸汽压 ]:
0.6±0.3 mmHg at 25°C

[ 折射率 ]:
1.513

[ 储存条件 ]:
Refrigerator

5-甲基-2-糠醛MSDS

5-甲基-2-糠醛毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LT7032500

CHEMICAL NAME :: 2-Furaldehyde, 5-methyl-

CAS REGISTRY NUMBER :: 620-02-0

BEILSTEIN REFERENCE NO. :: 0106895

LAST UPDATED :: 199710

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C6-H6-O2

MOLECULAR WEIGHT :: 110.12

WISWESSER LINE NOTATION :: T5OJ BVH E1

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 :: 2200 mg/kg

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

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Rodent - hamster Ovary

DOSE/DURATION :: 37700 umol/L

REFERENCE :: CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year: 13,89,1981

5-甲基-2-糠醛安全信息

[ 个人防护装备 ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xi: Irritant;

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36-S24/25

[ 危险品运输编码 ]:
NA 1993 / PGIII

[ WGK德国 ]:
2

[ RTECS号 ]:
LT7032500

[ 海关编码 ]:
2932999099

5-甲基-2-糠醛合成路线

5-甲基-2-糠醛上下游产品

5-甲基-2-糠醛上游产品

5-甲基-2-糠醛下游产品

5-甲基-2-糠醛制备

1. 其制备方法是在三口瓶中加入2-甲基呋喃和N，N-二甲基甲酰胺，于低温下慢慢加入三氯氧磷，加料毕，于低温反应1～2h，然后将反应物倾倒入水中，用Na₂CO₃中和，分出油层，水层用溶剂萃取，有机相和油层合并干燥，蒸馏脱溶剂，然后减压蒸馏得产品。

2. 烟草：BU，56；OR，57；FC，9；FC，BU，OR，18；FC，40；可由甲基戊糖为原料，在酸性催化下脱水而得。

5-甲基-2-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%

5-甲基-2-糠醛文献

Vine-shoot waste aqueous extracts for re-use in agriculture obtained by different extraction techniques: phenolic, volatile, and mineral compounds.

J. Agric. Food Chem. 62(45) , 10861-72, (2014)

Vine-shoots are an important waste in all viticulture areas that should be re-used with innovative applications. The aim of this work was to produce Airén waste vine-shoot aqueous extracts by four sol...

Effect of adulteration versus storage on volatiles in unifloral honeys from different floral sources and locations.

J. Food Sci. 78(2) , C184-91, (2013)

High fructose corn syrup (HFCS) was added at 5% to 40% to Indiana wildflower honey and added at 40% to Ohio and Indiana honeys from blueberry, star thistle, clover and wildflower, and an unknown sourc...

Specificity of the in vitro interaction of methylfurfural with DNA.

Mutagenesis 5(2) , 131-6, (1990)

Methylfurfural (MF) or 5-methyl 2-furaldehyde is a dietary mutagen and is present in various food products and beverages. Alkaline unwinding of calf thymus DNA and the protection of cleavage sites in ...

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