gamma acid 90-51-7

As a key raw material for azo dyes, 2-amino-8-naphthol-6-sulfonic acid contains amino, hydroxyl, and sulfonic acid groups in its molecule. It combines reactivity with the ability to regulate water solubility and is widely used in the fields of dyes, pigments, and materials; in the dye manufacturing industry, it is used in the preparation of reactive dyes.

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Model:
90-51-7
Brand:
bosschemical
Code:
90-51-7

Product Description

6-Amino-4-hydroxy-2-naphthalenesulfonic acid Basic information
Product Name:	6-Amino-4-hydroxy-2-naphthalenesulfonic acid
CAS:	90-51-7
MF:	C10H9NO4S
MW:	239.25
EINECS:	202-000-8
Mol File:	90-51-7.mol
6-Amino-4-hydroxy-2-naphthalenesulfonic acid Chemical Properties
Boiling point	458℃[at 101 325 Pa]
density	1.4338 (rough estimate)
vapor pressure	0Pa at 25℃
refractive index	1.6500 (estimate)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
pka	-0.20±0.40(Predicted)
form	powder to crystal
color	White to Gray to Brown
Water Solubility	4.5g/L(hot water)
InChI	InChI=1S/C10H9NO4S/c11-7-2-1-6-3-8(16(13,14)15)5-10(12)9(6)4-7/h1-5,12H,11H2,(H,13,14,15)
InChIKey	HBZVNWNSRNTWPS-UHFFFAOYSA-N
SMILES	C1=C2C(C=C(N)C=C2)=C(O)C=C1S(O)(=O)=O
LogP	-1.39
CAS DataBase Reference	90-51-7(CAS DataBase Reference)
EPA Substance Registry System	2-Naphthalenesulfonic acid, 6-amino-4-hydroxy- (90-51-7)

gamma acid 90-51-7 C10H9NO4S Rubber antioxidant reactive dye

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Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis