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| CAS No.: | 6219-71-2 |
|---|---|
| Name: | 2-Chlorobenzene-1,4-diammonium sulphate |
| Molecular Structure: | |
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| Formula: | C6H7ClN2.H2SO4 |
| Molecular Weight: | 258.68000 |
| Synonyms: | 2-Chlorobenzene-1,4-diammonium sulphate; |
| EINECS: | 228-291-1 |
| Density: | 1.42 g/cm3 |
| Melting Point: | 251-253℃ |
| Boiling Point: | 511.3oC at 760 mmHg |
| Flash Point: | 263oC |
| Solubility: | <0.1 g/100 mL at 21℃ |
| Hazard Symbols: | R20/21:; R33:; |
| Risk Codes: | Xn:Harmful; ">  Xn:Harmful; |
| Safety: | 26-36/37/39 |
| PSA: | 144.25000 |
| LogP: | 3.03050 |
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Chemistry
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
Consensus Reports
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.
Safety Profile
Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of Cl−, SOx, and NOx. 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
Specification
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.