27310-25-4

Basic information

• Product Name: 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
• Synonyms: 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID;2 NAPHTHYLAMINE-4,6,8 TRISULPHONIC ACID;7-AMINO-1,3,5-NAPHTHALENETRISULFONIC ACID;7-AMINO NAPHTHALENE-1,3,5-TRISULFONIC ACID;3-AMINO-1,5,7-NAPHTHALENETRISULFONIC ACID MONOSODIUM SALT;SULFO C ACID;1,3,5-Naphthalenetrisulfonicacid,7-amino-;3,5-Naphthalenetrisulfonicacid,7-amino-1
• CAS NO: 27310-25-4
• Molecular Formula: C₁₀H₉NO₉S₃
• Molecular Weight: 383.37
• EINECS: 248-394-5
• Product Categories: Intermediates of Dyes and Pigments
• Mol File: 27310-25-4.mol
• Article Data: 7

Chemical Properties

• Appearance: /
• Density: 1.974 g/cm₃
• Refractive Index: 1.748
• Storage Temp.: Inert atmosphere,Room Temperature
• PKA: -1.63±0.40(Predicted)
• CAS DataBase Reference: 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID(27310-25-4)
• EPA Substance Registry System: 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID(27310-25-4)

Safety Data

• Hazardous Substances Data: 27310-25-4(Hazardous Substances Data)

Usage

General Description

2-Naphthylamine-4,6,8-trisulfonic acid is a chemical compound used as an intermediate in the synthesis of dyes and pigments. It is also used as a pH indicator and as a fluorescent label in biochemistry and molecular biology applications. 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID is a trisulfonic acid derivative of 2-naphthylamine, and its sulfonic acid groups make it water-soluble and highly reactive. It is known for its strong acid properties and its ability to form complexes with metals, making it useful in analytical chemistry. Additionally, it is used in the production of fluorescent whitening agents and as a staining agent in histology. Overall, 2-naphthylamine-4,6,8-trisulfonic acid is a versatile compound with various industrial and laboratory applications.

InChI:InChI=1/C10H9NO9S3/c11-5-1-7-8(9(2-5)22(15,16)17)3-6(21(12,13)14)4-10(7)23(18,19)20/h1-4H,11H2,(H,12,13,14)(H,15,16,17)(H,18,19,20)

Relevant articles and documents

Asymmetric dioxazine compounds and method for dyeing or printing fiber materials using the same

An asymmetric dioxazine compound represented by the following formula (I) in the free acid form: STR1 wherein A1 and A2 independently of one another are each sulfo, halo, alkyl or alkoxy, W is an unsubstituted or substituted aliphatic or aromatic bridging group, X1 and X2 independently of one another are each hydrogen, halo, alkyl, alkoxy or phenoxy, R1 and R2 independently of one another are each hydrogen or unsubstituted or substituted alkyl, R3 and R4 independently of one another are each hydrogen, halo, alkyl, alkoxy or unsubstituted or substituted amino, Z is a fiber-reactive group, m and n independently of one another are each 0 or 1, provided that m≠n, and l is 1 or 2. This compound is suitable for dyeing and printing cellulose fiber, natural and synthetic polyamide fibers, polyrethane fiber, leather and the like and mixed yarns thereof, to obtain dyed or printed products of a color fast to light, wetness and chlorine with superior build-up and level dyeing properties.

Bisazo brown reactive dye

A brown reactive dye represented by a free acid of the formula, STR1 wherein R is a hydrogen atom or a C1 to C4 alkyl group, X is --SO2 CH2 CH2 Cl, --SO2 CH=CH2, --SO2 CH2 CH2 OSO3 H or --SO2 CH2 CH2 OPO3 H2, rings A, B and C are each a benzene or naphthalene ring which may have other substituent, m is 0 to 3 and n is 0 to 1. This dye is suitable for dyeing cellulose fibers brown to afford dyeings superior in fastnesses, acid stability, build-up property and level dyeing property.