ChemicalBook > CAS DataBase List > 2-Amino-1,4-benzenedisulfonic acid

2-Amino-1,4-benzenedisulfonic acid

Product Name
2-Amino-1,4-benzenedisulfonic acid
CAS No.
98-44-2
Chemical Name
2-Amino-1,4-benzenedisulfonic acid
Synonyms
ANILINE-2,5-DISULFONIC ACID;JACS-98-44-2;ANILINE 2,5 DSA;2,5-DISULFOANILINE;2-Amino-1,4-benzened;4-SULFOMETANILIC ACID;ANILINEDISULFONIC ACID;2,5-Disulfoaniline,98%;2,5-Disulfoaniline,95%;4-benzenedisulfonic acid
CBNumber
CB3257801
Molecular Formula
C6H7NO6S2
Formula Weight
253.25
MOL File
98-44-2.mol
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2-Amino-1,4-benzenedisulfonic acid Property

Melting point:
>300°C
Boiling point:
497.5℃[at 101 325 Pa]
Density 
1.569 (estimate)
refractive index 
1.5500 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
Aqueous Acid (Slightly), Water (Slightly)
form 
Solid
pka
-1.15±0.50(Predicted)
color 
White to Off-White
Water Solubility 
Slightly soluble in water.
LogP
-3.43 at 25℃
CAS DataBase Reference
98-44-2(CAS DataBase Reference)
EPA Substance Registry System
2-Amino-1,4-benzenedisulfonic acid (98-44-2)
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Safety

Risk Statements 
36/37/38-43
Safety Statements 
26-36/37/39-36/37
RTECS 
CZ9250000
TSCA 
Yes
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

Alfa Aesar
Product number
B25350
Product name
Aniline-2,5-disulfonic acid, 95%
Packaging
5g
Price
$60.65
Updated
2024/03/01
Alfa Aesar
Product number
B25350
Product name
Aniline-2,5-disulfonic acid, 95%
Packaging
25g
Price
$139.65
Updated
2024/03/01
TRC
Product number
B401513
Product name
2-Aminobenzene-1,4-disulfonicAcid
Packaging
2.5g
Price
$75
Updated
2021/12/16
AK Scientific
Product number
J99083
Product name
2-Amino-1,4-benzenedisulfonicacid
Packaging
1g
Price
$10
Updated
2021/12/16
AK Scientific
Product number
G236
Product name
2-Amino-1,4-benzenedisulfonicacid
Packaging
1g
Price
$14
Updated
2021/12/16
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2-Amino-1,4-benzenedisulfonic acid Chemical Properties,Usage,Production

Chemical Properties

off-white powder

Uses

Aniline-2,5-disulfonic acid is used as pharmaceutical intermediate. 2-Amino-1,4-benzenedisulfonic acid is used as an intermediate for dyes; 2-Amino-1,4-benzenedisulfonic acid is converted to triazine derivatives, which are intermediates in the manufacture of dyes and optical brighteners.

Production Methods

2-Amino-1,4-benzenedisulfonic acid is obtained by sulfonating metanilic acid in 100% sulfuric acid with 50% oleum at 160 ℃ (5 – 6 h); the sulfonation mixture is diluted with water, lime is added, and the resulting calcium sulfate is removed; the product is then precipitated with excess concentrated hydrochloric acid in hot solution; yield 90 – 91%

2-Amino-1,4-benzenedisulfonic acid Preparation Products And Raw materials

Raw materials

Nicotinic acid FUMING SULFURIC ACID Sodium chloride Metanilic acid

Preparation Products

Reactive Blue 14 Reactive Orange 1
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2-Amino-1,4-benzenedisulfonic acid Suppliers

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View Lastest Price from 2-Amino-1,4-benzenedisulfonic acid manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
2-Amino-1,4-benzenedisulfonic acid 98-44-2
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20 mt
Release date
2024-11-15
Hebei Mojin Biotechnology Co., Ltd
Product
2-Amino-1,4-benzenedisulfonic acid 98-44-2
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-07-27
Career Henan Chemical Co
Product
2-Amino-1,4-benzenedisulfonic acid 98-44-2
Price
US $1.00/KG
Min. Order
1KG
Purity
95-99%
Supply Ability
100kg/week
Release date
2019-08-05

98-44-2, 2-Amino-1,4-benzenedisulfonic acidRelated Search:

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  • JACS-98-44-2
  • 1,4-Benzenedisulfonic acid, 2-amino-
  • 2-amino-benzene-1,4-disulfonicacid
  • 2-Amino-p-benzenedislfonicacid
  • 2-amino-p-benzenedisulfonicaci
  • 4-Benzenedisulfonicacid,2-amino-1
  • kyselinaanilin-2,5-disulfonova
  • 2-aminobenzene-1,4-disulphonic acid
  • Aniline-2,5-disulfonicacid,95%
  • ANILINEDISULFONIC ACID
  • 3-Aminobenzene-p-disulfonic acid
  • 6-Aminobenzene-1,4-disulfonic acid
  • p-Benzenedisulfonic acid, 2-amino-
  • 2,5-Disulfoaniline,98%
  • 2,5-DISULFONICACIDANILINE
  • ANILINE 2:5 DISULFONIC ACID
  • ANILINE-2,5-DISULFONIC ACID
  • ANILINE-2,5-DISULPHONIC ACID
  • 2-AMINO-1,4-BENZENEDISULFONIC ACID
  • 2-AMINO-1,4-DISULFOBENZENE
  • 2-AMINO-P-BENZENEDISULFONIC ACID
  • 2,5-DISULFOANILINE
  • 1-amino-2,5-benzenedisulfonic acid
  • 1-anilino-2,5-disulfonicacid
  • 2,5-disulfo-1-aminobenzene
  • 2-amino-1,4-benzenedisulfonic
  • 2-amino-4-benzenedisulfonicacid
  • 2,5-Disulfoaniline,95%
  • 4-SULFOMETANILIC ACID
  • 2-Amino-1,4-benzened
  • 4-benzenedisulfonic acid
  • 3-aminobenzene-1,2-disulfonic acid
  • amino-benzene-1,4-disulfonic acid
  • Aniline-2,5-disulfonicaci
  • 2-Amino-1,4-benzenedisulfonic acid ISO 9001：2015 REACH
  • ANILINE 2,5 DSA
  • 98-44-2
  • C6H7NO6S2
  • C6H6S2O6NNa
  • C6H5NO6S2
  • Intermediates of Dyes and Pigments