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| CAS No.: | 20103-09-7 |
|---|---|
| Name: | 2,5-Dichlorobenzene-1,4-diamine |
| Molecular Structure: | |
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|
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| Formula: | C6H6Cl2N2 |
| Molecular Weight: | 177.033 |
| Synonyms: | p-Phenylenediamine,2,5-dichloro- (6CI,7CI,8CI);1,4-Diamino-2,5-dichlorobenzene;2,5-Diamino-1,4-dichlorobenzene;2,5-Dichloro-1,4-benzenediamine;2,5-Dichloro-1,4-diaminobenzene;2,5-Dichloro-1,4-phenylenediamine;2,5-Dichloro-p-phenylenediamine;4-Amino-2,5-dichloroaniline;1,4-Benzenediamine,2,5-dichloro-; |
| EINECS: | 243-512-1 |
| Density: | 1.501 g/cm3 |
| Melting Point: | 164-166 °C (dec.)(lit.) |
| Boiling Point: | 303.7 °C at 760 mmHg |
| Flash Point: | 137.5 °C |
| Appearance: | light brown to pinkish-grey powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22-36/37/38 |
| Safety: | 26-36/37/39 |
| PSA: | 52.04000 |
| LogP: | 3.32020 |
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Chemistry
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IUPAC Name: 2,5-Dichlorobenzene-1,4-diamine
Molecular Formula: C6H6Cl2N2
Molecular Weight: 177.03 g/mol
SMILES: c1(c(cc(N)c(c1)Cl)Cl)N
InChI: InChI=1/C6H6Cl2N2/c7-3-1-5(9)4(8)2-6(3)10/h1-2H,9-10H2
EINECS: 243-512-1
Product Categories: Intermediates of Dyes and Pigments
Index of Refraction: 1.679
Molar Refractivity: 44.51 cm3
Molar Volume: 117.8 cm3
Polarizability: 17.64×10-24 cm3
Surface Tension: 61.8 dyne/cm
Density: 1.501 g/cm3
Flash Point: 137.5 °C
Enthalpy of Vaporization: 54.4 kJ/mol
Boiling Point: 303.7 °C at 760 mmHg
Melting Point: 164-166 °C (dec.)(lit.)
storage temperature: 2-8 °C
Vapour Pressure of 2,5-Dichlorobenzene-1,4-diamine (CAS NO.20103-09-7): 0.000916 mmHg at 25 °C
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | oral | 1750mg/kg (1750mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 611, 1986. |
Safety Profile
Hazard Codes: 
Xn
Risk Statements: 22-36/37/38
R22:Harmful if swallowed.
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.
WGK Germany: 3
RTECS of 2,5-Dichlorobenzene-1,4-diamine (CAS NO.20103-09-7): SS9150000
Specification
2,5-Dichlorobenzene-1,4-diamine (CAS NO.20103-09-7), its Synonyms are 1,4-Benzenediamine, 2,5-dichloro- ; p-Phenylenediamine, 2,5-dichloro- ; 2,5-Dichlor-1,4-fenylendiamin ; 2,5-Dichloro-p-phenylenediamine ; Benzene, 2,5-dichloro, 1,4-diamino ; 2,5-Dichloro-1,4-benzenediamine . It is light brown to pinkish-grey powder.