4-二甲基氨基吡啶

4-(Dimethylamino)pyridine is a useful nucleophilic catalyst for various reactions viz. esterifications with anhydrides, the Baylis-Hillman reaction, hydrosilylations, tritylation and Steglich rearrangement. It is also an effective catalyst for transesterification of beta-keto esters and silylation of alcohols.

Incompatible with strong oxidizing agents and strong acids.

MFCD00006418

214-353-5

C₇H₁₀N₂

122.17

110-113°

162°/50mm

124°(255°F)

Ambient temperatures.

Crystals or powder

Soluble in methanol, benzene, ethyl acetate, chloroform, methylene chloride, acetone, and acetic acid. Slightly soluble in ether, diisopropyl ether, cyclohexane, hexane, and water.

110354

II

22-27-34
Harmful if swallowed.Very toxic in contact with skin.Causes burns.

6.1

26-27/28-36/37/39-45-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, take off immediately all contaminated clothing, and wash immediately with plenty of ... (to be specified by the manufacturer).Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste

US9230000

 

是

  

H301-H310-H314-H318
Toxic if swallowed.Fatal in contact with skin.Causes severe skin burns and eye damage.Causes serious eye damage.

P260h-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.