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3-甲基-2,4-戊二酮

3-甲基-2,4-戊二酮名称

[ CAS 号 ]:
815-57-6

[ 中文名 ]:
3-甲基-2,4-戊烷二酮

[ 英文名 ]:
3-METHYL-2,4-PENTANEDIONE

[中文别名 ]:

[英文别名 ]:

3-methylpentane-2,4-dione
EINECS 212-420-3
MFCD00008762

3-甲基-2,4-戊二酮物理化学性质

[ 密度 ]:
0.981 g/mL at 25 °C(lit.)

[ 沸点 ]:
172-174 °C(lit.)

[ 熔点 ]:
190 - 191ºC

[ 分子式 ]:
C₆H₁₀O₂

[ 分子量 ]:
114.14200

[ 闪点 ]:
134 °F

[ 精确质量 ]:
114.06800

[ PSA ]:
34.14000

[ LogP ]:
0.80050

[ 外观性状 ]:
透明无色至黄色液体

[ 折射率 ]:
n20/D 1.442(lit.)

[ 储存条件 ]:
0-10°C;存放于惰性气体之中;避免空气,加热

3-甲基-2,4-戊二酮MSDS

3-甲基-2,4-戊二酮安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H226-H315-H319-H335

[ 警示性声明 ]:
P261-P305 + P351 + P338

[ 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-S36/37/39

[ 危险品运输编码 ]:
UN 1224 3/PG 3

[ WGK德国 ]:
3

[ 包装等级 ]:
III

[ 危险类别 ]:
3

[ 海关编码 ]:
2914190090

3-甲基-2,4-戊二酮合成路线

3-甲基-2,4-戊二酮上下游产品

3-甲基-2,4-戊二酮上游产品

3-甲基-2,4-戊二酮下游产品

3-甲基-2,4-戊二酮制备

1.制法：

于装有搅拌器、回流冷凝器（装氯化钙干燥管）的反应瓶中，加入2,4-戊二酮（2）65.2g（0.65mol），碘甲烷113g（0.8mol），预先于100℃干燥的无水碳酸钾84g，无水丙酮125mL，搅拌下加热回流20h。冷却，过滤，滤饼用丙酮洗涤4次。常压蒸出丙酮和未反应的碘甲烷，而后减压蒸馏，收集110～120℃/5.32kPa的馏分，得化合物（1）56～57g，收率75%～77%。

3-甲基-2,4-戊二酮海关

[ 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%

3-甲基-2,4-戊二酮文献

Identifying chelators for metalloprotein inhibitors using a fragment-based approach.

J. Med. Chem. 54 , 591-602, (2011)

Fragment-based lead design (FBLD) has been used to identify new metal-binding groups for metalloenzyme inhibitors. When screened at 1 mM, a chelator fragment library (CFL-1.1) of 96 compounds produced...

Chemiluminescent aldehyde and beta-diketone reactions promoted by peroxynitrite.

Chem. Res. Toxicol. 13(5) , 317-26, (2000)

Peroxynitrite is shown here to promote the aerobic oxidation of isobutanal (IBAL) and 3-methyl-2,4-pentanedione (MP) in a pH 7.2 phosphate buffer into acetone plus formate and biacetyl plus acetate, r...

Rate coefficients for the reactions of OH radicals with the keto/enol tautomers of 2, 4-pentanedione and 3-methyl-2, 4-pentanedione, allyl alcohol and methyl vinyl ketone using the enols and methyl nitrite as photolytic sources of OH. Holloway A-L, et al.

J. Photochem. Photobiol. A: Chem. 176(1) , 183-90, (2005)

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