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Sodium 4-amino-1-naphthalenesulfonate

CAS No.
130-13-2
Chemical Name:
Sodium 4-amino-1-naphthalenesulfonate
Synonyms
SODIUM NAPHTHIONATE;SODIUM NAPTHIONATE;Naphthemol;Naphthionine;4-Amino-1-naphthalen;Ponceau 4R Impurity 1;1,4-SODIUM NAPHTHIONATE;Naphthoic Acid Sodium Salt;NAPHTHIONIC ACID SODIUM SALT;1-Naphthylamine-4-sulfonicaci
CBNumber:
CB1141191
Molecular Formula:
C10H8NNaO3S
Molecular Weight:
245.23
MDL Number:
MFCD00044844
MOL File:
130-13-2.mol
MSDS File:
SDS
Last updated:2026-05-27 23:08:25
Product description Number Pack Size Price
Sodium 4-Amino-1-naphthalenesulfonate Tetrahydrate >95.0%(N) A0353 25g $21
Sodium 4-Amino-1-naphthalenesulfonate Tetrahydrate >95.0%(N) A0353 100g $34
Sodium 4-aminonaphthalene-1-sulfonate 099040 100.00g $152
Sodium 4-aminonaphthalene-1-sulfonate 95+% CD44000641 100g $71
Sodium 4-Amino-1-naphthalenesulfonate Tetrahydrate 95% AA000TS2 25g $14
More product size

Sodium 4-amino-1-naphthalenesulfonate Properties

Melting point 280 °C (dec.)(lit.)
Density 1.6703
storage temp. Store below +30°C.
form Crystalline
color White to Gray to Brown
PH 6.8-7.0 (10g/l, H2O, 20°C)
Merck 14,6403
InChI InChI=1S/C10H9NO3S.Na/c11-9-5-6-10(15(12,13)14)8-4-2-1-3-7(8)9;/h1-6H,11H2,(H,12,13,14);/q;+1/p-1
InChIKey JWSRMCCRAJUMLX-UHFFFAOYSA-M
SMILES S(C1=CC=C(C2C=CC=CC=21)N)(=O)(=O)O[Na]
Dissociation constant 0 at 30℃
CAS DataBase Reference 130-13-2(CAS DataBase Reference)
FDA UNII I33I8X596V
EPA Substance Registry System 4-Amino-1-naphthalenesulfonic acid sodium salt (130-13-2)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26
WGK Germany  3
3-8-23
TSCA  TSCA listed
HS Code  29214500
REACH Registrations Active
NFPA 704
1 0

Sodium 4-amino-1-naphthalenesulfonate price More Price(21)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical A0353 Sodium 4-Amino-1-naphthalenesulfonate Tetrahydrate >95.0%(N) 130-13-2 25g $21 2026-04-30 Buy
TCI Chemical A0353 Sodium 4-Amino-1-naphthalenesulfonate Tetrahydrate >95.0%(N) 130-13-2 100g $34 2026-04-30 Buy
Matrix Scientific 099040 Sodium 4-aminonaphthalene-1-sulfonate 130-13-2 100.00g $152 2026-05-18 Buy
Crysdot CD44000641 Sodium 4-aminonaphthalene-1-sulfonate 95+% 130-13-2 100g $71 2026-05-27 Buy
aablocks AA000TS2 Sodium 4-Amino-1-naphthalenesulfonate Tetrahydrate 95% 130-13-2 25g $14 2026-05-25 Buy
Product number Packaging Price Buy
A0353 25g $21 Buy
A0353 100g $34 Buy
099040 100.00g $152 Buy
CD44000641 100g $71 Buy
AA000TS2 25g $14 Buy

Sodium 4-amino-1-naphthalenesulfonate Chemical Properties,Uses,Production

Chemical Properties

grayish white crystalline powder

Uses

Riegler’s reagent for nitrous acid, manufacture of dyestuffs.

Preparation

The preparation of Sodium 4-amino-1-naphthalenesulfonate is as follows:To a suspension of 4-amino-l -naphthalene sulfonic acid (10.Og, 44.8 mmol) in 10 ml MeOH was added 5 N NaOMe (9 ml). The mixture was sonicated to effect complete solution. The solvent was evaporated to provide the sodium salt of -amino-1- naphthalene sulfonic acid as a white solid. This solid was suspended in 100 ml acetic anhydride and heated at 110 °C for 2 1/2 h. Adding some MeOH to the cooled mixture and co-evaporating with 3x100 ml toluene gave the Na-salt of 4-acetamidonaphthalene-l -sulfonic acid as a white powder.

130-13-2.png

134-32-7
130-13-2
Synthesis of Sodium 4-amino-1-naphthalenesulfonate from 1-Naphthylamine

Sodium 4-amino-1-naphthalenesulfonate Preparation Products And Raw materials

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View Lastest Price from Sodium 4-amino-1-naphthalenesulfonate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Sodium 4-amino-1-naphthalenesulfonate pictures 2026-05-22 Sodium 4-amino-1-naphthalenesulfonate
130-13-2
1G/KG 99% 100MT Anhuyan (Hainan) Biotechnology Co., LTD
Sodium 4-amino-1-naphthalenesulfonate pictures 2026-03-20 Sodium 4-amino-1-naphthalenesulfonate
130-13-2
$10.00 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
Sodium 4-amino-1-naphthalenesulfonate pictures 2025-12-29 Sodium 4-amino-1-naphthalenesulfonate
130-13-2
1kg 74% Changzhou waston chemical technology Co.,Ltd
SODIUM NAPHTHIONATE SODIUM NAPTHIONATE SODIUM 1-NAPHTHYLAMINE-4-SULFONATE SODIUM 4-AMINO-1-NAPHTHALENESULFONATE PARA-NAPHTHIONIC ACID, NA SALT NAPHTHYLAMINE-4-SULFONIC ACID SODIUM SALT NAPHTHIONIC ACID SODIUM SALT NAPHTHIONIC ACID SODIUM SALT 0.5-WATER 4-amino-1-naphthalenesulfonicacimonosodiumsalt sodium1-amino-4-naphthalenesulfonate 1-Amino-4-naphthalenesulfonicacidsodium 1-Naphthalenesulfonicacid,4-amino,monosodiumsalt 1-Naphthylamine-4-sulfonicaci Ponceau 4R Impurity 1 sodium 4-amino-1-naphthalenesulfonic acid 4-AMINO-1-NAPHTHALENESULFONIC ACID SODIUM SALT 0.5-WATER 4-AMINO-1-NAPHTHALENESULFONIC ACID SODIUM SALT 4-AMINONAPHTHALENE-1-SULPHONIC ACID SODIUM SALT 4-AMINONAPHTHALENE-1-SULFONIC ACID SODIUM SALT 1-NAPHTHYLAMINE-4-SULFONIC ACID SODIUM SALT 0.5-WATER 1-NAPHTHYLAMINE-4-SULFONIC ACID SODIUM SALT 1,4-SODIUM NAPHTHIONATE 1-AMINO-4-SULFONAPHTHALENE SODIUM SALT 4-Amino-1-naphtalenesulfonic acid sodium salt Naphthoic Acid Sodium Salt sodium 4-aminonaphthalene-1-sulphonate Sodium 1-naphthylamine-4-sulfonate(1,4-sodium naphthionate ,SMA) Naphthionine SODIUM1-NAPHTHYLAMINE4-SULPHONATE 4-AMINONAPHTHALENE-1-SULFONIC ACID SODIUM SALT 98+% Sodium 4-Amino-1-naphthalenesulfonate Tetrahydrate Naphthionic Acid Sodium Salt 1-Naphthylamine-4-sulfonic Acid Sodium Salt 4-Amino-1-naphthalenesulfonic Acid Sodium Salt Sodium Naphthionate Sodium 1-Naphthylamine-4-sulfonate 4-AMinonaphthalene-1-sulfonic acid-Na 1-Amino-4-naphthalenesulfonic acid sodium salt 4-Amino-1-naphthalenesulfonic acid, sodium salt, hydrate,98% 4-Amino-1-naphthalen 1-naphthylamine-4-sulfonate sodium Sodium 4-Amino-1-naphthalenesulfonate Standard Sodium 4-Amino-1-naphthalenesulfonate Tetrahydrate> 4-Amino-1-NaphthalenesulfonicAcidSodiumSal 1-Naphthylamine 4-sulphonic acid sodium salt SODIUM NAPHTHIONATE Extra Pure Naphthemol 4-amino-1-naphthalenesulfonate sodium salt 1-Naphthylamine-4-sulfonic acid sodium salt (SMA) Sodium 4 mino-1-naphthalenesulfonate Sodium 4-Amino-1-phthalenesulfote Tetrahydrate 130-13-2 C10H6NH2SO3Na C10H8NNaO3S4H2O NH2C10H6SO3H C10H8O3NSNa C10H8NNaO3SxH2O C10H8NNaO3SH2O Building Blocks Organic Building Blocks Sulfonic/Sulfinic Acid Salts Sulfur Compounds