2,3-Naphthalenedicarboxylic acid

CAS NO.：2169-87-1
Empirical Formula: C12H8O4
Molecular Weight: 216.19
MDL number: MFCD00004104
EINECS: 218-517-7
SAFETY DATA SHEET (SDS)
Update Date: 2024-12-18 13:37:16

What is 2,3-Naphthalenedicarboxylic acid?

Description

2,3-Naphthalenedicarboxylic acid, also known as 2,3-naphthalic acid, belongs to the class of organic compounds known as naphthalenecarboxylic acids. Naphthalenecarboxylic acids are compounds containing a naphthalene moiety that bears a carboxylic acid group in one or more positions. Naphthalene is a bicyclic compound that is made up of two fused benzene rings. 2,3-Naphthalenedicarboxylic acid is an important chemical intermediate with important applications in fine chemicals. It can be used as a raw material or intermediate for synthesizing liquid crystal display materials, medicines, pesticides, spices, and inks.

Chemical properties

OFF-WHITE TO BEIGE POWDER

The Uses of 2,3-Naphthalenedicarboxylic acid

2,3-Naphthalenedicarboxylic Acid (cas# 2169-87-1) is a compound useful in organic synthesis.

Synthesis

Using o-phthalaldehyde as raw material, the 2,3-Naphthalenedicarboxylic acid is finally produced through acetalization reaction, reduction reaction, hydrolysis reaction, cycloaddition reaction, dehydration reaction, and hydrolysis reaction.

Synthesis Reference(s)

Journal of the American Chemical Society, 81, p. 6458, 1959 DOI: 10.1021/ja01533a032
Organic Syntheses, Coll. Vol. 5, p. 810, 1973

Properties of 2,3-Naphthalenedicarboxylic acid

Melting point:	238-240 °C (dec.) (lit.)
Boiling point:	316.6°C (rough estimate)
Density	1.3023 (rough estimate)
refractive index	1.7080 (estimate)
storage temp.	Sealed in dry,Room Temperature
form	Solid
pka	2.95±0.30(Predicted)
color	Off-white
BRN	1967507
InChI	InChI=1S/C12H8O4/c13-11(14)9-5-7-3-1-2-4-8(7)6-10(9)12(15)16/h1-6H,(H,13,14)(H,15,16)
CAS DataBase Reference	2169-87-1(CAS DataBase Reference)
EPA Substance Registry System	2,3-Naphthalenedicarboxylic acid (2169-87-1)

Safety information for 2,3-Naphthalenedicarboxylic acid

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.