2-Chlorobenzene-1,4-diammonium sulphate

IUPAC Name: 2-Chlorobenzene-1,4-diamine; sulfuric acid
CAS: 6219-71-2
Formula: C₆H₉ClN₂O₄S
Molecular Weight: 240.66
Molecular Structure of 2-Chlorobenzene-1,4-diamine; sulfuric acid (CAS NO.6219-71-2):

Flash Point: 127.9 °C 
Enthalpy of Vaporization: 52.71 kJ/mol 
Boiling Point: 287.9 °C at 760 mmHg 
Vapour Pressure: 0.00242 mmHg at 25°C 

NCI Carcinogenesis Bioassay (Feed); Results Negative: mouse, rat NCITR*    National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-113 ,1978.

Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of Cl⁻, SO_x, and NO_x. See also AROMATIC AMINES and SULFATES.
Safety Information about 2-Chlorobenzene-1,4-diamine; sulfuric acid (CAS NO.6219-71-2):
Hazard Codes: 
Xn:
Risk Statements about 2-Chlorobenzene-1,4-diamine; sulfuric acid (CAS NO.6219-71-2):
R20/21: Harmful by inhalation and in contact with skin.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements about 2-Chlorobenzene-1,4-diamine; sulfuric acid (CAS NO.6219-71-2):
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.
WGK Germany: 3
RTECS: CZ1581000

  2-Chlorobenzene-1,4-diamine; sulfuric acid with CAS number of 6219-71-2 is also named as 1-Chloro-2,5-diaminobenzene sulfate ; 2,5-Diaminochlorobenzene sulfate ; 2-Chloro-1,4-benzenediamine sulfate ; 2-Chloro-1,4-diaminobenzene sulphate ; 2-Chloro-1,4-diaminobenzene sulfate ; 2-Chloro-1,4-phenylenediammonium sulfate ; 2-Chloro-1,4-phenylenediamine sulphate ; 2-Chloro-p-phenylenediamine sulphate . This product can be used as a dye intermediate.