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Maleic Acid

Maleic Acid

CAS number: 110-16-7
Molecular formula: C4H4O4
Molecular weight: 116.07
Related Categories: Pharmaceutical Intermediates; Carbonyl Compounds; Traditional Chinese Medicine References; Other Organic Acids; Nutritional Research; Plant Extracts
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Nature

Melting point

137-140 °C(lit.)

Boiling point

275°C

Density

1.59 g/mL at 25 °C(lit.)

Refractive index

1.5260 (estimate)

Flash point

127 °C

Storage conditions

Store at RT.

Solubility

478.8g/l

Acidity coefficient (pKa)

1.83(at 25℃)

form

Powder/Solid

colour

White

PH value

1.3 (100g/l, H2O, 20℃)

Water solubility

790 g/L (25 ºC)

Merck

14,5703

BRN

605762

stability

Stable. Combustible. Incompatible with strong oxidizing agents, bases.

CAS database

110-16-7(CAS DataBase Reference)


Chemical properties

Monoclinic crystals are colorless crystals with astringent taste. Soluble in water, ethanol and acetone, insoluble in benzene.


Use

1. For the preparation of unsaturated resins and rosin

2. Used in pharmaceuticals, resin synthesis, and as a preservative for oils and fats.

3. It is mainly used in the production of pesticide marathon, dajingsong, synthetic unsaturated polyester resin, tartaric acid, fumaric acid, succinic acid, etc. It is also used in coatings, food and printing auxiliaries and grease preservatives.

4. Used in synthetic resins, pesticides, etc.

5. Alkaline method analysis standard, slowing the rancidity of oil and fat, organic synthesis.


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