Melting point	193-197 °C
Boiling point	296.47°C (rough estimate)
density	1.5040 (rough estimate)
vapor pressure	0Pa at 25℃
refractive index	1.5800 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	118g/l
form	Crystalline Powder
pka	pK1: 3.43;pK2: 4.58;pK3: 5.85;pK4: 7.16 (25°C)
color	White
Water Solubility	>=10 g/100 mL at 19 ºC
BRN	1729167
InChIKey	GGAUUQHSCNMCAU-UHFFFAOYSA-N
LogP	-1.41 at 25℃
CAS DataBase Reference	1703-58-8(CAS DataBase Reference)
EPA Substance Registry System	1,2,3,4-Butanetetracarboxylic acid (1703-58-8)

1,2,3,4-BUTANETETRACARBOXYLIC ACID;BTCA;butane-1,2,3,4-tetracarboxylic acid;1,2,3,4-ButaneTetraCarboxylic;1,2,3,4-BUTANETETRACARBOXYLIC ACID (BTCA);1,2,3,4-BUTANETETRACARBOXYLIC ACID 98%;1,2,3,4-Butanetetracarboxylic acid, 98+%;Butanetetraacetic acid

1,2,3,4-Butanetetracarboxylic acid (BTCA) is a perfect formaldehyde-free durable press (DP) finishing agent. It has high activity of reaction and no irritant odor.It is used as cotton, hemp, silk and other cellulosic fibers, anti-wrinkle and anti-shrink agent, with the finishing agent for fabric finishing, can improve the shaping effect and the fabric does not contain formaldehyde.
BTCA, catalyzed by sodium hypophosphite (SHP), brings good antiwrinkle property to cotton fabrics and causes significant strength losses due to cross-linking and acidic degradation of cellulose simultaneously.

1,2,3,4-Butanetetracarboxylic acid is used as a cross linking agent to prepare cotton cellulose in order to improve anti-prilling and flame retardant properties. It is used as a spacer in the cross-linking of titania nanoparticles to cotton. Further, it is used as a nonformaldehyde durable press finishing agent.