Dimethylolpropionic Acid (DMPA)

Synonyms

Bis-MPA; Dimethylol propionic acid; 2,2-Bis(hydroxymethyl)propionic acid; DMPA

Technical Data

CAS No.: 4767-03-7
EC No.: 225-306-3
Molecular Formula: C₅H₁₀O₄
Molecular Weight: 134.13

FabriChem Specifications

ITEMS	REGULAR GRADE	LOW SODIUM	FINE
Molecular Formula	C₅H₁₀O₄	C₅H₁₀O₄	C₅H₁₀O₄
Molecular Weight	134.13	134.13	134.13
Appearance	White Crystalline Powder	White Crystalline Powder	White Crystalline Powder
Melting Point	170° – 180°C	170° – 180°C	170° – 180°C
Water Solubility	120.7 g/L at 20°C	120.7 g/L at 20°C	120.7 g/L at 20°C
Assay	98.5% wt Min.	98.5% wt Min.	98.5% wt Min.
Volatile component	1.0% wt Max.	1.0% wt Max.	1.0% wt Max.
Acid value	412 mg KOH/g Min.	412 mg KOH/g Min.	405 mg KOH/g Min.
Hydroxyl value	824 mg KOH/g Min.	824 mg KOH/g Min.	810 mg KOH/g Min.
Water content	0.3% wt Max.	0.3% wt Max.	0.3% wt Max.
Ash content	0.03% wt Max.	0.03% wt Max.	0.03% wt Max.
Insoluble part – Carbon	20 ppm Max.	20 ppm Max.	20 ppm Max.
Iron content	4 ppm Max.	4 ppm Max.	4 ppm Max.
Sodium content	70 ppm Max.	20 ppm Max.	70 ppm Max.
Particle size	-	-	80% wt ≤ 250 µm Min.

Molecular Structure

dimethylolpropionic-acid-structure

About

Available Grades of Dimethylolpropionic Acid:

• Regular: Standard grade Dimethylolpropionic Acid
• Low Sodium: Ideal for applications requiring insulation (i.e. insulated films & coatings)
• Fine: Smaller particle size for better quality of dispersions

2,2-Bis(hydroxymethyl)propionic acid was used in the synthesis and characterization studies of polyurethane dispersion modified with polymethylsiloxane (Si-PUD) and its nanocomposites incorporated with clays. 2,2-Bis(hydroxymethyl)propionic acid based dendrimers have potent applications as delivery systems for potent anticancer drugs such as cisplatin and doxorubicin, as well as agents for both boron neutron capture therapy and photodynamic therapy.

Applications for Dimethylolpropionic Acid include:

• Polyurethane dispersions
• Water soluble alkyds and polyester resins
• Powder coatings
• Epoxy ester coatings
• Printing inks
• Lubricating oil additives