ChemicalBook > CAS DataBase List > 3,3'-Dimethylbenzidine dihydrochloride

3,3'-Dimethylbenzidine dihydrochloride

Product Name
3,3'-Dimethylbenzidine dihydrochloride
CAS No.
612-82-8
Chemical Name
3,3'-Dimethylbenzidine dihydrochloride
Synonyms
o-Tolidine2HCl;CAS 304671-77-0;THALLIUM ARSENATE;O-TOLIDINE DI HCL;ORTO TOLUDINE BASE;TIMTEC-BB SBB003003;o-Tolidine dihydroch;O-anilinehydrochloride;[-C6H3(CH3)-4-NH2]22HCl;related CAS 304671-77-0
CBNumber
CB5350577
Molecular Formula
C14H18Cl2N2
Formula Weight
285.21
MOL File
612-82-8.mol
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3,3'-Dimethylbenzidine dihydrochloride Property

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)
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Safety

Hazard Codes 
T,N
Risk Statements 
45-22-51/53-68
Safety Statements 
53-45-61
RIDADR 
UN 3077 9/PG 3
WGK Germany 
3
RTECS 
DD1226000
3-8-9
TSCA 
Yes
HazardClass 
6.1(b)
PackingGroup 
III
HS Code 
29215900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H350May cause cancer

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P201Obtain special instructions before use.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P308+P313IF exposed or concerned: Get medical advice/attention.

P391Collect spillage. Hazardous to the aquatic environment

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TCI Chemical
Product number
T0254
Product name
o-Tolidine Dihydrochloride
Purity
>98.0%(T)
Packaging
25g
Price
$44
Updated
2024/03/01
TCI Chemical
Product number
T0254
Product name
o-Tolidine Dihydrochloride
Purity
>98.0%(T)
Packaging
500g
Price
$373
Updated
2022/04/27
Alfa Aesar
Product number
036626
Product name
o-Tolidine dihydrochloride, ACS
Packaging
25g
Price
$49.65
Updated
2024/03/01
Alfa Aesar
Product number
036626
Product name
o-Tolidine dihydrochloride, ACS
Packaging
100g
Price
$138
Updated
2024/03/01
Alfa Aesar
Product number
A18196
Product name
o-Tolidine dihydrochloride, 97%
Packaging
25g
Price
$51.1
Updated
2024/03/01
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3,3'-Dimethylbenzidine dihydrochloride Chemical Properties,Usage,Production

Chemical Properties

light beige to grey-beige crystalline powder

Uses

It is an indicator.

Uses

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

3,3'-Dimethylbenzidine dihydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

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3,3'-Dimethylbenzidine dihydrochloride Suppliers

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View Lastest Price from 3,3'-Dimethylbenzidine dihydrochloride manufacturers

Career Henan Chemical Co
Product
3,3'-Dimethylbenzidine dihydrochloride 612-82-8
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100KG
Release date
2020-01-08

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