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| CAS No.: | 20325-40-0 |
|---|---|
| Name: | 3,3'-Dimethoxybenzidine dihydrochloride |
| Molecular Structure: | |
|
|
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| Formula: | C14H16N2O2.2HCl |
| Molecular Weight: | 317.24 |
| Synonyms: | Benzidine,3,3'-dimethoxy-, dihydrochloride (8CI);[1,1'-Biphenyl]-4,4'-diamine, 3,3'-dimethoxy-,dihydrochloride (9CI);C.I. DisperseBlack 6 dihydrochloride;o-Dianisidine dihydrochloride; |
| EINECS: | 243-737-5 |
| Melting Point: | 268 °C |
| Boiling Point: | 391.3 °C at 760 mmHg |
| Flash Point: | 202.8 °C |
| Solubility: | 1-5 g/100 mL at 20 °C in water |
| Appearance: | Off-white or grey tablets |
| Hazard Symbols: |
 T
|
| Risk Codes: | 45-22 |
| Safety: | 53-45 |
| Transport Information: | UN 2811 |
| PSA: | 70.50000 |
| LogP: | 5.30160 |
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Chemistry
MF: C14H18Cl2N2O2
The Synonyms of 3,3'-Dimethoxybenzidine dihydrochloride(20325-40-0) is 3,3'-DIMETHOXYBENZIDINE DIHYDROCHLORIDE;3,3'-Dimethoxy-[1,1'-biphenyl]-4,4'-diamine dihydrochloride;
MW: 317.21
EINECS: 243-737-5
Product Categories: Biphenyl & Diphenyl ether
Mol File: 20325-40-0.mol
mp:268 °C
storage temp: 2-8°C
Water Solubility:1-5 g/100 mL at 20 oC
Surface Tension: dyne/cm
Density: 1.01g/cm3
Flash Point: 202.8 °C
Enthalpy of Vaporization: 64.09 kJ/mol
Boiling Point: 391.3 °C at 760 mmHg
BRN:3917996
Uses
The 3,3'-Dimethoxybenzidine dihydrochloride(20325-40-0) is used as azo dyesintermediates, such as the system of direct blue RG, Direct Blue 5B, Sky Blue 6B dye, etc., can also be used to detect gold, copper, cobalt and vanadium and other elements
Toxicity Data With Reference
| 1. | mmo-sat 100 nmol/plate | MUREAV Mutation Research. 136 (1984),33. | ||
| 2. | mma-sat 10 nmol/plate | EMMUEG Environmental and Molecular Mutagenesis. 10 (1987),263. | ||
| 3. | orl-rat TDLo:1040 mg/kg/1Y-I:CAR,REP | JNCIAM Journal of the National Cancer Institute. 41 (1968),985. | ||
| 4. | scu-mus TDLo:1152 mg/kg/2Y-I:ETA,REP | VOONAW Voprosy Onkologii. Problems of Onkology. 25 (7)(1979),43. |
Hazard Codes:
T
Risk Statements:45-22
R45:May cause cancer；
R22: Harmful if swallowed ;
RIDADR:2811
RTECS:DD1050000
HazardClass:6.1(a)
PackingGroup:II
Consensus Reports
Safety Profile
Confirmed carcinogen with experimental carcinogenic and tumorigenic data. Experimental reproductive data. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and HCl.;
Safety Statements:53-45
S53:Avoid exposure - obtain special instruction before use ;
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) ;
WGK Germany:3
Standards and Recommendations
Specification
Incompatibilities with Oxidizing agents.
The 3,3'-Dimethoxybenzidine dihydrochloride(20325-40-0) is Stable under normal temperatures and pressures.
The Decomposition is hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.