丙二酸

Malonic acid is used to prepare barbiturates. Its derivative diethylmalonate is used in Knoevenagel condensation reactions as well as reacts with acetone to form Meldrum's acid. It is used to control acidity, preservative additive for foods and as an excipient in pharmaceutical formulation. It acts as a precursor to polyesters and as an active component in alkyd resins. Further, it is used as a building block in chemical synthesis. In addition to this, it is used to prepare starch-based resin.

Incompatible with oxidizing agents, reducing agents and bases.

MFCD00002707

205-503-0

C₃H₄O₄

104.06

132-136° dec.

157°(314°F)

1.62

Ambient temperatures.

Crystalline

Soluble in water, sodium hydroxide and alcohol. Slightly soluble in pyridine and ether.

1751370

14,5710

22-37/38-41
Harmful if swallowed.Irritating to respiratory system and skin.Risk of serious damage to eyes.

26-36/37/39-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.This material and its container must be disposed of as hazardous waste

OO8175000

 

是

  

H302-H315-H318-H335
Harmful if swallowed.Causes skin irritation.Causes serious eye damage.May cause respiratory irritation.

P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.