马来酸二甲酯

Dimethyl maleate is acts as a dienophile involved in ultrasonic irradiation promoted Diels-Alder reaction with substituted furans. It is widely used as an intermediate and additive for pharmaceuticals, copolymers, pigments, plastics, paints, adhesives and agrochemicals. As an internal modifier, it increases the glass transition temperature of styrene or vinyl chloride polymer. It plays a vital role to improve the hardness and toughness of polymer films such as copolymers of vinyl acetate.

Incompatible with acids, bases, oxidizing agents and reducing agents.

MFCD00008459

210-848-5

C₆H₈O₄

144.13

-19°

204-205°

91°(195°F)

1.151

1.4420

Ambient temperatures.

Liquid

Miscible with water.

471705

21/22-37/38-41-43
Harmful in contact with skin and if swallowed.Irritating to respiratory system and skin.Risk of serious damage to eyes.May cause sensitization by skin contact.

23-26-36/37/39-60
Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer).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

EM6300000

 

是

  

H227-H302-H311-H315-H318-H317-H335
Combustible liquid.Harmful if swallowed.Toxic in contact with skin.Causes skin irritation.Causes serious eye damage.May cause an allergic skin reaction.May cause respiratory irritation.

P210e-P261-P280-P305+P351+P338-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves/protective clothing/eye protection/face protection.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.