471232
二丁胺
≥99.5%
别名:
N,N-二-n-丁胺
蒸汽密度
4.46 (vs air)
质量水平
蒸汽压
1.9 mmHg ( 20 °C)
方案
≥99.5%
表单
liquid
自燃温度
594 °F
expl. lim.
10 %
折射率
n20/D 1.417 (lit.)
pH值（酸碱度）
11.1 (20 °C, 1 g/L)
沸点
159 °C (lit.)
mp
−62 °C (lit.)
溶解性
water: soluble 3.8 g/L at 20 °C
密度
0.767 g/mL at 25 °C (lit.)
官能团
amine
SMILES字符串
CCCCNCCCC
InChI
1S/C8H19N/c1-3-5-7-9-8-6-4-2/h9H,3-8H2,1-2H3
InChI key
JQVDAXLFBXTEQA-UHFFFAOYSA-N
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一般描述
二丁胺是一种高活性的催化剂，通常用作异氰酸酯衍生化反应中的试剂。
应用
二丁胺可用作反应物以合成：通过与芳基氯化物和溴化物的 Pd 催化 Buchwald-Hartwig 胺化反应合成
也可用作：
- N, N
- -二丁基-4-甲基苯胺。
- 通过与乙酸异丙烯酯的乙酰化反应合成 N,N-二丁基二乙酰胺。
也可用作：
- 不同消除反应中的强阻碍碱。
- 有机催化剂，通过芳香族醛、丙二腈和巴比妥酸的多组分缩合反应合成环状吡喃 [2,3-d] 嘧啶衍生物。
警示用语：
Danger
危险分类
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
储存分类代码
3 - Flammable liquids
WGK
WGK 1
闪点(°F)
104.9 °F - closed cup
闪点(°C)
40.5 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
此项目有
Determination of complex mixtures of airborne isocyanates and amines. Part 1. Liquid chromatography with ultraviolet detection of monomeric and polymeric isocyanates as their dibutylamine derivatives.
Spanne M, et al.
Analyst, 121(8), 1095-1099 (1996)
Determination of complex mixtures of airborne isocyanates and amines. Part 3. Methylenediphenyl diisocyanate, methylenediphenylamino isocyanate and methylenediphenyldiamine and structural analogues after thermal degradation of polyurethane
Haakan T et al.
Analyst, 122, 275-278 (1997)
Dibutylamine (DBA): A highly efficient catalyst for the synthesis of pyrano [2, 3-d] pyrimidine derivatives in aqueous media
Ajmal R B et al.
Journal of Taibah University for Science , 10, 9-18 (2016)
Chemistry of blocked isocyanates. II. Kinetics and mechanism of the reaction of dibutylamine with phenyl and 2-methylphenyl oxime carbamates.
Levine AW and Fech Jr J.
The Journal of Organic Chemistry, 37(15), 2455-2460 (1972)
Reddi Mohan Naidu Kalla et al.
European journal of medicinal chemistry, 76, 61-66 (2014-02-27)
A series of 2-amino-3-cyano-4H-chromen-4-ylphosphonates have been synthesized by reacting substituted salicylaldehydes, malononitrile, and dialkylphosphites using a catalytic amount of dibutylamine as an organocatalyst employing Knoevenagel, Pinner, and phospha-Michael reactions simultaneously in ethanol. This protocol is an environmentally friendly procedure and
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