3,3',5,5'-Tetramethylbenzidine dihydrochloride 64285-73-0 CAS NO.64285-73-0

3,3',5,5'-Tetramethylbenzidine dihydrochloride Basic information
Product Name: 3,3',5,5'-Tetramethylbenzidine dihydrochloride
Synonyms: 3,3',5,5'-TETRAMETHYL-[1,1'-BIPHENYL]-4,4'-DIAMINE, DIHYDROCHLORIDE;3,3',5,5'-TETRAMETHYLBENZIDINE DIHYDROCHLORIDE MONOHYDRATE;3,3',5,5'-TETRAMETHYLBENZIDINE DIHYDROCHLORIDE;3,3',5,5'-TETRAMETHYLBENZIDINE 2HCL;4,4'-DIAMINO-3,3',5,5'-TETRAMETHYLBIPHENYL DIHYDROCHLORIDE;4,4'-DIAMINO-3,3',5,5'-TETRAMETHYLBIPHENYL DIHYDROCHLORIDE MONOHYDRATE;DIHYDROCHLORIDE TMB;TMB-HCL
CAS: 64285-73-0
MF: C16H22Cl2N2
MW: 313.27
EINECS: 264-769-6
Product Categories: Biphenyl & Diphenyl ether;Enzyme substrates
Mol File: 64285-73-0.mol
3,3',5,5'-Tetramethylbenzidine dihydrochloride Structure
3,3',5,5'-Tetramethylbenzidine dihydrochloride Chemical Properties
Melting point  ≥300 °C
Fp  54 °C
storage temp.  2-8°C
form  tablet
CAS DataBase Reference 64285-73-0(CAS DataBase Reference)
EPA Substance Registry System [1,1'-Biphenyl]- 4,4'-diamine, 3,3',5,5'-tetramethyl-, dihydrochloride(64285-73-0)
Safety Information
Hazard Codes  Xn,T
Risk Statements  40-39/23/24/25-23/24/25-10
Safety Statements  22-24/25-36/37-45
WGK Germany  3
F  3-10-23
HS Code  29215990

【Product Name】

3,3',5,5'-Tetramethylbenzidine dihydrochloride
【Synonyms】

3,3',5,5'-Tetramethyl[1,1'-biphenyl]-4,4'-diamine dihydrochloride
4-(4-Amino-3,5-dimethylphenyl)-2,6-dimethylaniline dihydrochloride
【CAS】

64285-73-0
【Formula】

C16H22Cl2N2
【Molecular Weight】

313.27
【EINECS】

264-769-6
【Beilstein/Gmelin】

NA
Physical and Chemical Properties Back to Contents
【Appearance】

White to pale yellow powder.
First Aid Measures Back to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and Storage Back to Contents
【Storage】

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 C).
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Hazards Identification Back to Contents
【Ingestion】

May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
【Inhalation】

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】

May cause skin irritation.
【Eyes】

Dust may cause mechanical irritation.
Exposure Controls/Personal Protection Back to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting Measures Back to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Accidental Release Measures Back to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation.
Stability and Reactivity Back to Contents
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.