1122-58-3 4-二甲氨基吡啶

熔点 

83-86 °C(lit.)

沸点 

211 °C

密度 

0.906 g/mL at 25 °C

蒸气压

0.169 hPa at 20 °C

折射率 

n20/D 1.431

闪点 

110 °C

储存条件 

Store in dark!

溶解度 

methanol: 50 mg/mL, clear

酸度系数(pKa)

pKa (20°): 9.7

形态

prilled

颜色

off-white to yellow

气味 (Odor)

characteristic odor

PH值

11 (60g/l, H2O, 20℃)

酸碱指示剂变色ph值范围

9.7 (10% aq soln)

水溶解性 

76 g/L (25 ºC)

Merck 

14,3389

BRN 

110354

稳定性

Stable. Incompatible with acids, oxidizing agents.

危险性符号(GHS)

GHS08,GHS02,GHS06,GHS07,GHS05

警示词

Danger

危险性描述

H314-H318-H402-H301-H310-H315-H319-H335-H302-H311-H351-H225-H302+H312-H336

防范说明

P260h-P301+P310a-P303+P361+P353-P501a-P264-P270-P273-P302+P352+P310+P361+P364-P305+P351+P338+P337+P313-P405-P501-P262-P280-P302+P352+P310-P305+P351+P338-P361+P364-P301+P312+P330-P302+P352+P312-P304+P340+P312-P337+P313-P301+P310+P330-P210-P370+P378-P403+P235

危险品标志 

T,C,T+,Xn,F

危险类别码 

25-34-24/25-36/37/38-27-36-24-20-61-40-23/24/25-67-66-21/22-11-36/37-22-19

安全说明 

36/37/39-45-28A-26-28-36/37-53-27-22-16

危险品运输编号 

UN 2811 6.1/PG 2

WGK Germany 

3

RTECS号

US8400000

自燃温度

420 °C

Hazard Note 

Toxic/Corrosive

TSCA 

T

HazardClass 

8

PackingGroup 

II

海关编码 

29333999

毒性

LD50 orally in Rabbit: 140 mg/kg LD50 dermal Rabbit 90 mg/kg