3,4-Diaminopyridine (or 3,4-DAP) is an organic compound with the formula C5H3N(NH2)2. It is formally derived from pyridine by substitution of the 3 and 4 positions with an amino group.

CAS：54-96-6
中文别名：吡啶-3,4-二胺;3,4-二氨基吡啶;
英文别名：3,4-Pyridinedramine;3,4-Diaminopyridin;3,4-diamino-pyridine;pyridin-3,4-diamine;3,4-pyridinediamine;3,4-diamino-pyridin;3,4-Diaminopyridine;Amifampridine;3 4-DIAMINOPYRIDINE;Firdapse;Pyridine-3,4-diamine;4,5-diaminopyridine;pyridine-3,4-diamine;3,4DIAMINOPYRIDINE;3,4 DI AMINO PYRIDINE;3-amino-4-pyridinylamine;3,4-Pyridinediamine;diamino-3,4pyridine;
分子式：C5H7N3
分子量：109.129
精确质量：109.064
Psa：64.93
Logp：1.4084

MDL号：MFCD00006401

外观与性状：略米色粉末
密度：1.251g/cm3
沸点：369.3ºC at 760mmHg
熔点：216-218°C(lit.)
闪点：240 °C
水溶解性：24 g/L (20 ºC)
稳定性：Stable under normal temperatures and pressures.
储存条件：Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

RTECS号：US7600000
安全说明：S26-S28-S36/37/39-S45-S37/39-S28A
危险类别码：R25; R36/37/38
WGK Germany：3
危险品运输编码：UN 2811 6.1/PG 2
海关编码：29333999
危险类别：6.1
包装等级：I
危险品标志：T

用途
有机合成。