2,2-Bis(hydroxymethyl)propionic acid Chemical Properties

Melting point:

189-191 °C(lit.)

Boiling point:

167.23°C (rough estimate)

Density 

0.84

vapor density 

<1 (vs air)

refractive index 

1.4240 (estimate)

Flash point:

>150°C

storage temp. 

Inert atmosphere,Room Temperature

solubility 

H2O: soluble

form 

Crystalline Powder

pka

4.16±0.15(Predicted)

color 

White

PH

2.6 (50g/l, H2O, 20℃)

Water Solubility 

soluble

Sensitive 

Hygroscopic

Merck 

14,3253

BRN 

1756385

Stability:

Stable. Hygroscopic.

InChIKey

PTBDIHRZYDMNKB-UHFFFAOYSA-N

CAS DataBase Reference

4767-03-7(CAS DataBase Reference)

NIST Chemistry Reference

2,2-Bis(hydroxymethyl)propionic acid(4767-03-7)

EPA Substance Registry System

Dimethylolpropionic acid (4767-03-7)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38-36/37

Safety Statements 

26-37/39

WGK Germany 

3

RTECS 

UA2465265

F 

3-9

Autoignition Temperature

>300 °C

Hazard Note 

Irritant

TSCA 

Yes

HS Code 

29159000

Toxicity

LD50 orally in Rabbit: > 2000 mg/kg

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

2,2-Bis(hydroxymethyl)propionic acid Usage And Synthesis

Chemical Properties

white crystalline powder

Uses

2,2-bis(hydroxymethyl)propionic acid (DMPA) is a versatile organic materials. it is used as water-based polyurethane chain extender, also make the polyurethane obtained from emulsifying properties, excellent stability can be made self-emulsifying aqueous polyurethane. For preparation a photosensitive resin and liquid crystal materials; for epoxy ester coatings, polyurethane elastomers and powder coatings; Preparation of magnetic recording materials and adhesives etc..

Uses

2,2-Bis(hydroxymethyl)propionic acid is commonly used as an AB₂ monomer for the synthesis of hyperbranched (hb) polymers and dendrimers.

Uses

In preparation of water-sol alkyl resins.

Definition

ChEBI: 2,2-Bis(hydroxymethyl)propionic acid is a 3-hydroxy carboxylic acid.

2,2-Bis(hydroxymethyl)propionic acid(4767-03-7)Related Product Information

• Tris(hydroxymethyl)aminomethane
• Trimethylolpropane
• 2-PHENYLPROPIONIC ACID
• Urea formaldehyde
• Ethyl 2-(Chlorosulfonyl)acetate
• Citric acid
• (ethylenedioxy)dimethanol
• Folic acid
• Propionic acid
• Di(trimethylol propane)
• 2-Hydroxyethyl methacrylate
• Propionic anhydride
• methylol cellulose
• 2,3-Dibromopropionic acid
• DIMETHYL-PROPIOTHETIN
• Tiglic aldehyde
• Hyaluronic acid
• Calcium Propionate