ChemicalBook > CAS DataBase List > 5-Amino-1-naphthalenesulfonic acid

5-Amino-1-naphthalenesulfonic acid

Product Name
5-Amino-1-naphthalenesulfonic acid
CAS No.
84-89-9
Chemical Name
5-Amino-1-naphthalenesulfonic acid
Synonyms
laurentacid;Laurens Acid;LAURENTS ACID;LAURENT'S ACID;1,5-AMINO ACID;LABOTEST-BB LT01138428;5-SULFO-1-NAPHTHYLAMINE;1-AMINO-5-SULFONAPHTHALENE;Laurent Acid(1.5 cleves acid);1-NAPHTHYLAMINE-5-SULFONIC ACID
CBNumber
CB7713334
Molecular Formula
C10H9NO3S
Formula Weight
223.25
MOL File
84-89-9.mol
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5-Amino-1-naphthalenesulfonic acid Property

Melting point:
>300°C
Boiling point:
220°C (rough estimate)
Density 
1.3588 (rough estimate)
refractive index 
1.6500 (estimate)
solubility 
Aqueous Base (Slightly), DMSO (Slightly)
pka
pK1: 3.69 (25°C)
form 
powder to crystal
color 
Purple to Dark purple to Dark red
Water Solubility 
Soluble in hot water.
Merck 
14,6404
BRN 
2214149
CAS DataBase Reference
84-89-9(CAS DataBase Reference)
EPA Substance Registry System
1-Naphthalenesulfonic acid, 5-amino- (84-89-9)
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Safety

Hazard Codes 
C
Risk Statements 
20/21/22-34
Safety Statements 
26-36/37/39-45
RIDADR 
UN 2585 8/PG 3
WGK Germany 
3
RTECS 
QK1270500
TSCA 
Yes
HS Code 
2921.45.2000
HazardClass 
8
PackingGroup 
III
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H312Harmful in contact with skin

H314Causes severe skin burns and eye damage

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P310Immediately call a POISON CENTER or doctor/physician.

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N-Bromosuccinimide Price

TCI Chemical
Product number
A0345
Product name
5-Amino-1-naphthalenesulfonic Acid
Purity
>98.0%(T)
Packaging
25g
Price
$141
Updated
2024/03/01
Alfa Aesar
Product number
A11433
Product name
5-Aminonaphthalene-1-sulfonic acid, tech. 90%
Packaging
25g
Price
$36.65
Updated
2024/03/01
Alfa Aesar
Product number
A11433
Product name
5-Aminonaphthalene-1-sulfonic acid, tech. 90%
Packaging
50g
Price
$69.1
Updated
2023/06/20
Alfa Aesar
Product number
A11433
Product name
5-Aminonaphthalene-1-sulfonic acid, tech. 90%
Packaging
100g
Price
$120.65
Updated
2024/03/01
Biosynth Carbosynth
Product number
FA106398
Product name
5-Aminonaphthalene-1-sulfonic acid
Packaging
100g
Price
$600
Updated
2021/12/16
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5-Amino-1-naphthalenesulfonic acid Chemical Properties,Usage,Production

Chemical Properties

?1-Aminonaphthalene-5-sulfonic acid [84- 89-9]. (5-aminonaphthalene-1-sulfonic acid), Laurent’s acid, L acid, Purpurin acid, C10H9NO3S, Mr 223.24, crystallizes from hot water as needles of the monohydrate. The alkalimetal salts are all readily soluble in water. Bromination yields the 2,4-dibromo derivative, vigorous nitration gives 2,4-dinitro-1- hydroxynaphthalene, and sulfonation results in 1-aminonaphthalene-2,5,7-trisulfonic acid. 1- Hydroxynaphthalene-5-sulfonic acid is obtained by heating 104 with aqueous bisulfite (reverseBucherer reaction) or via the diazo compound. Caustic fusion produces 5-amino-1-hydroxynaphthalene. Coupling with diazo compounds takes place in the 2-position.

Uses

Intermediate of dyestuff

Uses

5-Aminonaphthalene-1-sulfonic acid is an deriva- tizing agents in the precolumn derivatization of some chiral phenoxy acid. Cu(II) based on a dansyl derivative was synthesized with 29.2% overall yield by a seven-step synthetic procedure from the readily available starting material 5-aminonaphthalene-1-sulfonic acid.

Definition

ChEBI: 5-Amino-1-naphthalenesulfonic acid is a naphthalenesulfonic acid.

Production Methods

Laurent’s acid is coproduced with Peri acid as the minor component of a 5:2 isolated product ratio.

Purification Methods

Crystallise the acid under nitrogen from boiling water and dry it in a steam oven [Bryson Trans Faraday Soc 47 522, 527 1951]. [Beilstein 14 IV 2800.]

5-Amino-1-naphthalenesulfonic acid Preparation Products And Raw materials

Raw materials

Peri acid Naphthalene Magnesium carbonate Nitric acid Iron 1-Naphthalenesulfonic acid Sulfuric acid

Preparation Products

5-(Dimethylamino)-1-naphthalenesulfonic acid Dansyl chloride ACID BLACK 24
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5-Amino-1-naphthalenesulfonic acid Suppliers

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View Lastest Price from 5-Amino-1-naphthalenesulfonic acid manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
5-Amino-1-naphthalenesulfonic acid 84-89-9
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-01-13
Hebei Weibang Biotechnology Co., Ltd
Product
5-Amino-1-naphthalenesulfonic acid 84-89-9
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-06
Henan Bao Enluo International TradeCo.，LTD
Product
5-Amino-1-naphthalenesulfonic acid 84-89-9
Price
US $50.00/kg
Min. Order
1kg
Purity
99.9%
Supply Ability
10000MT
Release date
2023-08-08

84-89-9, 5-Amino-1-naphthalenesulfonic acidRelated Search:

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  • 5-amino-1-naphthalenesulfonicaci
  • 1-NAPHTHYLAMINE-5-SULFONICACID(LAURENT''SACID)
  • Laurens Acid
  • Laurents acid~1-Naphthylamine-5-sulphonic acid
  • 1-Amino-5-naphthalenesulfonic acid
  • 1-Aminonaphtalene-5-sulfonic acid, 97%+
  • 5-Aminonaphthalene-1-sulfonic acid, tech. 90%
  • Laurent's Acid 1-Naphthylamine-5-sulfonic Acid
  • Laurent Acid(1.5 cleves acid)
  • laurentacid
  • 5-AMINO-1-NAPHTHALENESULFONIC ACID
  • 5-AMINONAPHTHALENE-1-SULFONIC ACID
  • 5-AMINONAPHTHALENE-1-SULPHONIC ACID
  • LABOTEST-BB LT01138428
  • LAURENTS ACID
  • LAURENT'S ACID
  • 1-NAPHTHYLAMINE-5-SULFONIC ACID
  • 1,5-AMINO ACID
  • 1-AMINONAPHTHALENE-5-SULFONIC ACID
  • 1-AMINO-5-SULFONAPHTHALENE
  • 5-SULFO-1-NAPHTHYLAMINE
  • 1-aminonaphtalene-5-sulfonicacid
  • 5-AMino-1-naphthalenesulfonic Acid , 98.0%(T)
  • 5-AMino-1-naphthalenesulfonic acid technical, >=90% (T)
  • 1-Naphthalenesulfonic acid, 5-amino-
  • 5-Amino-1-naphthalenesulfonic Acid &gt
  • 5-Aminonaphthalene-1-sulfonicaci
  • 5-Amino-1-naphthalenesulfonic acid ISO 9001：2015 REACH
  • 5-Aminonaphthalene-1-Sulphonic Acid pure, 90%
  • 5-Amino-1-naphthalenesulfonic Acid, ≥ 98.0%
  • 84-89-9
  • 84-89-2
  • H2NCd0H6SO3H
  • NH2C10H6SO2H
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