3,3'-Dimethylbenzidine dihydrochloride
- CAS NO.：612-82-8
- Empirical Formula: C14H18Cl2N2
- Molecular Weight: 285.21
- MDL number: MFCD00012960
- EINECS: 210-322-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is 3,3'-Dimethylbenzidine dihydrochloride?
Chemical properties
light beige to grey-beige crystalline powder
The Uses of 3,3'-Dimethylbenzidine dihydrochloride
It is an indicator.
The Uses of 3,3'-Dimethylbenzidine dihydrochloride
o-Tolidine dihydrochloride is used as a sensitive colorimetric reagent for gold and for free chlorine in water.
General Description
Light tan powder.
Air & Water Reactions
Soluble in water.
Reactivity Profile
Acidic organic/inorganic salts, such as 3,3'-Dimethylbenzidine dihydrochloride, are generally soluble in water. The resulting solutions contain moderate to high concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.
Fire Hazard
Flash point data for 3,3'-Dimethylbenzidine dihydrochloride are not available, but 3,3'-Dimethylbenzidine dihydrochloride is probably combustible.
Safety Profile
Suspected carcinogen with experimental carcinogenic data. Mutation data reported. When heated to decomposition it emits very toxic fumes of HCl and NOx
Properties of 3,3'-Dimethylbenzidine dihydrochloride
| Melting point: | >300°C |
| solubility | DMSO (Slightly, Heated), Methanol (Slightly) |
| form | Solid |
| color | white to light yellow |
| Water Solubility | Soluble in water. |
| Sensitive | Air Sensitive |
| CAS DataBase Reference | 612-82-8(CAS DataBase Reference) |
| EPA Substance Registry System | 3,3'-Dimethylbenzidine dihydrochloride (612-82-8) |
Safety information for 3,3'-Dimethylbenzidine dihydrochloride
| Signal word | Danger |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H350:Carcinogenicity H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P391:Collect spillage. Hazardous to the aquatic environment P308+P313:IF exposed or concerned: Get medical advice/attention. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for 3,3'-Dimethylbenzidine dihydrochloride
3,3'-Dimethylbenzidine dihydrochloride manufacturer
Santel Industries
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