ChemicalBook > CAS DataBase List > 4-Amino-1,3-benzenedisulfonic acid

4-Amino-1,3-benzenedisulfonic acid

Product Name
4-Amino-1,3-benzenedisulfonic acid
CAS No.
137-51-9
Chemical Name
4-Amino-1,3-benzenedisulfonic acid
Synonyms
ANILINE-2,4-DISULFONIC ACID;ANILINE-2,4-DISULPHONIC ACID;4-Amino-m-benzenedisulfonicacid;4-amino-3-benzenedisulfonicacid;4-Aminobenzene-1,3-disulfonicaci;3-Benzenedisulfonicacid,4-amino-1;4-Aminobenzene-1,3-Disulfonic Acid;4-Amino-1,3-benzenedisulfonic acid;4-azanylbenzene-1,3-disulfonic acid;4-aminobenzene-1,3-disulphonic acid
CBNumber
CB4701947
Molecular Formula
C6H7NO6S2
Formula Weight
253.25
MOL File
137-51-9.mol
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4-Amino-1,3-benzenedisulfonic acid Property

Melting point:
>259°C (dec.)
Boiling point:
497.45℃[at 101 325 Pa]
Density 
1.844±0.06 g/cm3(Predicted)
vapor pressure 
0Pa at 25℃
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
Aqueous Acid (Slightly), DMSO (Slightly), Methanol (Slightly), Water (Slightly)
pka
-0.93±0.48(Predicted)
form 
Solid
color 
White to Grey
Water Solubility 
4.3g/L at 21℃
Stability:
Hygroscopic
LogP
-0.959 at 21℃
CAS DataBase Reference
137-51-9(CAS DataBase Reference)
EPA Substance Registry System
1,3-Benzenedisulfonic acid, 4-amino- (137-51-9)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H314Causes severe skin burns and eye damage

Precautionary statements

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

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

TRC
Product number
A591450
Product name
4-Amino-1,3-benzenedisulfonicAcid(>90%)
Packaging
500mg
Price
$60
Updated
2021/12/16
TRC
Product number
A591450
Product name
4-Amino-1,3-benzenedisulfonicAcid(>90%)
Packaging
1g
Price
$105
Updated
2021/12/16
TRC
Product number
A591450
Product name
4-Amino-1,3-benzenedisulfonicAcid(>90%)
Packaging
2g
Price
$165
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA32682
Product name
Aniline-2,4-disulfonic acid
Packaging
100g
Price
$100
Updated
2021/12/16
Matrix Scientific
Product number
094749
Product name
4-Aminobenzene-1,3-disulfonic acid
Purity
95+%
Packaging
1g
Price
$133
Updated
2021/12/16
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4-Amino-1,3-benzenedisulfonic acid Chemical Properties,Usage,Production

Uses

4-Amino-1,3-benzenedisulfonic Acid is used as a reagent in the synthesis of arylazopyridoxal phosphate and phosphonate derivatives as P2 receptor antagonists.

Production Methods

4-Amino-1,3-benzenedisulfonic acid is freely soluble in water and ethyl alcohol. It is prepared by sulfonating 4-aminobenzenesulfonic acid with oleum at 20 ℃ and130 ℃ (4 – 6.5 h), draining the sulfonation mixture into water under pressure, adding lime at 70 – 75 ℃, separating the resulting gypsum, precipitating the calcium ions with soda, removing the calcium carbonate formed, and concentrating the sodium salt solution by evaporation. Yield 90 – 91%

Flammability and Explosibility

Non flammable

4-Amino-1,3-benzenedisulfonic acid Preparation Products And Raw materials

Raw materials

FUMING SULFURIC ACID Sulfanilic acid

Preparation Products

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View Lastest Price from 4-Amino-1,3-benzenedisulfonic acid manufacturers

Career Henan Chemical Co
Product
4-Amino-1,3-benzenedisulfonic acid 137-51-9
Price
US $6.68/KG
Min. Order
1KG
Purity
97%-99%
Supply Ability
1kg-1000kg
Release date
2020-01-10
Shaanxi Dideu Medichem Co. Ltd
Product
4-Amino-1,3-benzenedisulfonic acid 137-51-9
Price
US $0.10/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
1000 tons
Release date
2020-01-02

137-51-9, 4-Amino-1,3-benzenedisulfonic acidRelated Search:

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  • ANILINE-2,4-DISULFONIC ACID
  • ANILINE-2,4-DISULPHONIC ACID
  • 4-aminobenzene-1,3-disulphonic acid
  • 4-Amino-1,3-benzenedisulfonic acid
  • 4-Aminobenzene-1,3-Disulfonic Acid
  • 4-azanylbenzene-1,3-disulfonic acid
  • 3-Benzenedisulfonicacid,4-amino-1
  • 4-amino-3-benzenedisulfonicacid
  • 4-Amino-m-benzenedisulfonicacid
  • 1,3-Benzenedisulfonic acid, 4-amino-
  • 4-Aminobenzene-1,3-disulfonicaci
  • 4-Amino-1,3-benzenedisulfonic acid ISO 9001：2015 REACH
  • 4-Amino-1,3-benzenedisulfonic Acid (>90%)
  • 137-51-9
  • Intermediates of Dyes and Pigments