TRICARBALLYLIC ACID Property

Melting point:

156-161 °C(lit.)

Boiling point:

227.71°C (rough estimate)

Density 

1.3744 (rough estimate)

refractive index 

1.5860 (estimate)

storage temp. 

Store below +30°C.

solubility 

H₂O: 50 mg/mL, clear

form 

Fine Crystalline Powder

pka

pK1 (30°): 3.49; pK2: 4.58; pK3: 5.83

color 

Off-white to light brown

Water Solubility 

Soluble in water (500 mg/ml at 18°C), methanol, and ether (slightly).

Merck 

14,9622

BRN 

1783567

LogP

-1.420 (est)

CAS DataBase Reference

99-14-9(CAS DataBase Reference)

EPA Substance Registry System

1,2,3-Propanetricarboxylic acid (99-14-9)

Safety

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

TSCA 

Yes

HS Code 

29171900

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

TRICARBALLYLIC ACID Chemical Properties,Usage,Production

Chemical Properties

off-white to light brown fine crystalline powder

Uses

It is used as an alternative to DMDHEU (formaldehyde releasing cross- linking agent).

Definition

ChEBI: A tricarboxylic acid that is glutaric acid in which one of the beta-hydrogens is substituted by a carboxy group.

Purification Methods

Crystallise the acid from diethyl ether. [Beilstein 2 IV 2366.]