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Naphthionic acid

Product Name
Naphthionic acid
CAS No.
84-86-6
Chemical Name
Naphthionic acid
Synonyms
usafm-5;USAF m-5;PIRIA'S ACID;PARIA'S ACID;naphthionicaci;NAPHTHIONIC ACID;P-NAPHTHIONIC ACID;kyselinanafthionova;1,4-naphthionicacid;Kyselina nafthionova
CBNumber
CB6130464
Molecular Formula
C10H9NO3S
Formula Weight
223.25
MOL File
84-86-6.mol
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Naphthionic acid Property

Melting point:
≥300 °C(lit.)
Boiling point:
220°C (rough estimate)
Density 
1.67
refractive index 
1.5250 (estimate)
storage temp. 
Store below +30°C.
solubility 
Sparingly soluble in dichloromethane. Soluble in aqueous base.
pka
pK1: 2.81 (25°C)
Water Solubility 
309.9mg/L(20 ºC)
Merck 
14,6403
BRN 
1971299
CAS DataBase Reference
84-86-6(CAS DataBase Reference)
NIST Chemistry Reference
4-Amino-1-naphthalene sulfonic acid(84-86-6)
EPA Substance Registry System
4-Amino-1-naphthalenesulfonic acid (84-86-6)
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Safety

Hazard Codes 
C
Risk Statements 
34-22
Safety Statements 
26-36/37/39-45-25
RIDADR 
UN 2585 8/PG 3
WGK Germany 
3
RTECS 
QK1270000
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29214500
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

H315Causes skin irritation

H318Causes serious eye damage

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

P310Immediately call a POISON CENTER or doctor/physician.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
250619
Product name
4-Amino-1-naphthalenesulfonic acid
Purity
97%
Packaging
25g
Price
$94.2
Updated
2021/03/22
TCI Chemical
Product number
A0344
Product name
4-Amino-1-naphthalenesulfonic Acid
Purity
>98.0%(HPLC)
Packaging
25g
Price
$78
Updated
2021/03/22
Alfa Aesar
Product number
B21829
Product name
4-Aminonaphthalene-1-sulfonic acid, 98%
Packaging
25g
Price
$80.8
Updated
2020/06/24
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Naphthionic acid Chemical Properties,Usage,Production

Chemical Properties

slightly greyish to beige powder and granules

Uses

Intermediate for azo dyes, e.g., Congo red.

Purification Methods

It crystallises from H2O as needles of the 0.5 hydrate. Salt solutions fluoresce strongly blue. The S-benzylisothiuronium salt has m 195o (from aqueous EtOH). [Beilstein 14 IV 2793.]

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Naphthionic acid Suppliers

J & K SCIENTIFIC LTD.
Tel
010-82848833- ;010-82848833-
Fax
86-10-82849933
Email
jkinfo@jkchemical.com;market6@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Alfa Aesar
Tel
400-610-6006; 021-67582000
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30159
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386 / 800-988-0390
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24555
Advantage
81
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202- ; ;
Email
jerry.ma@hanhonggroup.com;jerry.ma@hanhonggroup.com;jerry.ma@hanhonggroup.com
Country
China
ProdList
43255
Advantage
64
Chemsky(shanghai)International Co.,Ltd.
Tel
021-50135380
Email
shchemsky@sina.com
Country
China
ProdList
32358
Advantage
50
BEST-REAGENT
Tel
400-1166-196;028-84555506- ;028-84555506-
Email
cdhxsj@163.com;1955352637@qq.com;cdhxsj@163.com
Country
China
ProdList
11718
Advantage
57
China Langchem Inc.
Tel
0086-21-58956006;021-38701807;021-58950017
Fax
0086-21-58956100
Country
China
ProdList
7833
Advantage
57
RYSS TECH LTD
Tel
400-188-0725 +86 21 34310725 13611771617
Fax
+86 21 34311076
Email
zhengp@rysstech.com
Country
China
ProdList
2008
Advantage
57
Maya High Purity Chemicals
Tel
+86 (573) 82222445 (0)18006601000 QQ:452520369
Fax
+86 (573) 82222643
Email
sales@maya-r.com
Country
China
ProdList
11737
Advantage
57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Tel
025-66099280-
Fax
(1)02557626880
Email
cfzhang@aikonchem.com
Country
China
ProdList
21578
Advantage
55
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View Lastest Price from Naphthionic acid manufacturers

Hebei Guanlang Biotechnology Co., Ltd.
Product
Naphthionic acid 84-86-6
Price
US $10.00/KG
Min. Order
100KG
Purity
99%
Supply Ability
100 mt
Release date
2021-08-25
Shaanxi Dideu Medichem Co. Ltd
Product
4-Amino-1-naphthalenesulfonic Acid 84-86-6
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%+
Supply Ability
100 tons
Release date
2019-12-30
Career Henan Chemical Co
Product
Naphthionic acid 84-86-6
Price
US $1.00/KG
Min. Order
1KG
Purity
98% HPLC
Supply Ability
10 tons/month
Release date
2020-01-09

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