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| CAS No.: | 612-83-9 |
|---|---|
| Name: | 3,3'-Dichlorobenzidine dihydrochloride |
| Molecular Structure: | |
|
|
|
| Formula: | C12H12Cl4N2 |
| Molecular Weight: | 326.05 |
| Synonyms: | Benzidine,3,3'-dichloro-, dihydrochloride (8CI);[1,1'-Biphenyl]-4,4'-diamine, 3,3'-dichloro-,dihydrochloride (9CI);3,3'-Dichloro-4,4'-diaminobiphenyl dihydrochloride;3,3'-Dichloro[1,1'-biphenyl]-4,4'-diamine dihydrochloride;Dichlodine H; |
| EINECS: | 210-323-0 |
| Melting Point: | 132~137 °C |
| Boiling Point: | 385 °C at 760 mmHg |
| Flash Point: | 186.6 °C |
| Solubility: | <0.1 g/100 mL at 21.5 °C in water |
| Appearance: | beige to tan powder |
| Hazard Symbols: |
 T,  N
|
| Risk Codes: | 45-21-43-50/53 |
| Safety: | 53-45-60-61 |
| Transport Information: | UN 3077 9/PG 3 |
| PSA: | 52.04000 |
| LogP: | 6.59120 |
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Chemistry
MF: C12H12Cl4N2
The Synonyms of 3,3'-Dichlorobenzidine dihydrochloride（612-83-9） is 1-biphenyl)-4,4-diamine,3,3-dichloro-(dihydrochloride;1-biphenyl]-4,4-diamine,3,3-dichloro-[dihydrochloride;3,3-dichloro-denzidindihydrochloride;3,3'-DICHLORO-4,4'-BIPHENYLDIAMINE DIHYDROCHLORIDE;
MW: 326.05
EINECS: 210-323-0
Product Categories: Intermediates of Dyes and Pigments;Organics;Biphenyl &Diphenyl ether;Aryl Amines MAK III, Category 2Chemical Class;DIA - DICMore...Close...;Alpha Sort;Amines;Analytical Standards;AromaticsChemical Class;AromaticsMethod Specific;Chemical Class;ChloroVolatiles/ mivolatiles;D;DAlphabetic;Halogenated;OekoTex Standard100;CancerResearch;Carcinogens
Mol File: 612-83-9.mol
mp：132~137℃
Water Solubility ：<0.1 g/100 mL at 21.5 oC
Stability: Stable; but may be air or light sensitive. Incompatible with strong oxidizing agents.
CAS DataBase ：Reference 612-83-9(CAS DataBase Reference)
EPA Substance：Registry System 612-83-9(EPA Substance)
Surface Tension: dyne/cm
Density: 1.21g/cm3
Flash Point: 186.6 °C
Enthalpy of Vaporization: 63.37 kJ/mol
Boiling Point: 385 °C at 760 mmHg
Uses
The 3,3'-Dichlorobenzidine dihydrochloride（612-83-9）is used as Production of dyes, pigments and ink，analytical reagents and dye intermediates
Toxicity Data With Reference
| 1. | mmo-sat 10 µg/plate | ENMUDM Environmental Mutagenesis. 5 (Suppl 1)(1983),3. | ||
| 2. | mma-sat 1 µg/plate | ENMUDM Environmental Mutagenesis. 5 (Suppl 1)(1983),3. | ||
| 3. | orl-rat LD50:3820 mg/kg | 34ZIAG Toxicology of Drugs and Chemicals ,Deichmann, W.B.,New York, NY.: Academic Press, Inc.,1969,211. |
Hazard Codes：
T,
N
Risk Statements：45-21-43-50/53
R45：May cause cancer；
R21:Harmful in contact with skin ;
R43:May cause sensitization by skin contact ;
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment ;
RTECS：DD0550000
Hazardous Substances Data：612-83-9(Hazardous Substances Data)
Consensus Reports
NTP 10th Report on Carcinogens. Reported in EPA TSCA Inventory.
Safety Profile
Confirmed carcinogen. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits very toxic fumes of Cl− and NOx.
Safety Statements of 3,3'-Dichlorobenzidine dihydrochloride(612-83-9)：53-45-60-61
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) ;
S60:This material and/or its container must be disposed of as hazardous waste ;
S61:Avoid release to the environment. Refer to special instructions safety data sheet ;
RIDADR：UN 3077 9/PG 3
WGK Germany：3