Product Name

  • Name

    2-Amino-1,4-benzenedisulfonic acid

  • EINECS 202-669-6
  • CAS No. 98-44-2
  • Article Data16
  • CAS DataBase
  • Density 1.844 g/cm3
  • Solubility Slightly soluble in water.
  • Melting Point >300 °C
  • Formula C6H7NO6S2
  • Boiling Point 500oC
  • Molecular Weight 253.257
  • Flash Point
  • Transport Information
  • Appearance off-white powder
  • Safety 26-36/37/39
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 98-44-2 (2-Amino-1,4-benzenedisulfonic acid)
  • Hazard Symbols
  • Synonyms 6-Aminobenzene-1,4-disulfonic acid;2-Amino-p-benzenedisulfonic acid;2,5-Disulfoaniline;2,5-Disulfo-1-aminobenzene;Aniline-2,5-disulfonic acid;4-Sulfometanilic acid;1-Amino-2,5-benzenedisulfonic acid;
  • PSA 151.52000
  • LogP 2.50500

2-Amino-1,4-benzenedisulfonic acid Chemical Properties

Molecular structure of 1,4-Benzenedisulfonic acid, 2-amino- (CAS NO.98-44-2) is:

Product Name: 1,4-Benzenedisulfonic acid, 2-amino-
CAS Registry Number: 98-44-2
IUPAC Name: 2-aminobenzene-1,4-disulfonic acid
Molecular Weight: 253.25288 [g/mol]
Molecular Formula: C6H7NO6S2
XLogP3: -0.2
H-Bond Donor: 3
H-Bond Acceptor: 7 
EINECS: 202-669-6
Melting Point: >300 °C
Surface Tension: 90.2 dyne/cm
Density: 1.844 g/cm3
Product Categories: Intermediates of Dyes and Pigments

2-Amino-1,4-benzenedisulfonic acid Toxicity Data With Reference

1.    

skn-rbt 500 mg/24H MLD

    28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,182.
2.    

eye-rbt 100 mg/24H MOD

    28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,182.

2-Amino-1,4-benzenedisulfonic acid Consensus Reports

Reported in EPA TSCA Inventory.

2-Amino-1,4-benzenedisulfonic acid Safety Profile

Safty information about 1,4-Benzenedisulfonic acid, 2-amino- (CAS NO.98-44-2) is:
A skin and eye irritant. See also SULFONATES. When heated to decomposition it emits very toxic fumes of NOx and SOx.
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RTECS: CZ9250000

2-Amino-1,4-benzenedisulfonic acid Specification

 1,4-Benzenedisulfonic acid, 2-amino- , its cas register number is 98-44-2. It also can be called 2-Amino-1,4-benzenedisulfonic acid ; 1-Amino-2,5-benzenedisulfonic acid ; 2,5-Disulfoaniline ; 4-Sulfometanilic acid ; Aniline-2,5-disulfonic acid ; 2,5-Disulfo-1-aminobenzene ; 2,5-Disulfoaniline ; 2-Amino-p-benzenedisulfonic acid ; 6-Aminobenzene-1,4-disulfonic acid ; p-Benzenedisulfonic acid, 2-amino- .It is a off-white powder.

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