ChemicalBook >>Tetramethylbenzidine>>3,3',5,5'-Tetramethylbenzidine(54827-17-7)


Product IdentificationBack to Contents
【Product Name】


(1,1'-Biphenyl)-4,4-diamine, 3,3',5,5'-tetramethyl-


【Molecular Weight】



【RTECS Class】


Physical and Chemical PropertiesBack to Contents

Pale yellow crystals or off-white powder.
【Solubility in water】

【Melting Point】

166 - 170
【Boiling Point】

【Partition Coefficient】


Research chemical.
First Aid MeasuresBack to Contents

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 immediately.

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

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.

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

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).

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 IdentificationBack to Contents

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

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

May cause skin irritation.

May cause eye irritation.
【EC Risk Phrase】

R 20/21/22 40
【EC Safety Phrase】

S 22 36/37
Exposure Controls/Personal ProtectionBack 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.

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 MeasuresBack 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 MeasuresBack 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 ReactivityBack to Contents
【Disposal Code】


Metals, strong oxidizing agents.

Stable under normal temperatures and pressures.

Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.
Transport InformationBack to Contents
【HS Code】

2921 59 90
Company Name:Suzhou Haiheng Biological Pharmaceutical Co., Ltd.
Company Name:Alfa Aesar
Tel:400-610-6006; 021-67582000
Company Name:Nanjing Search Biotech Co., Ltd
Company Name:Hunan Hui Bai Shi Biotechnology Co., Ltd.
Tel:0731-85526025 13319523173 13308453923
Company Name:Taizhou Chemedir Biopharm-tech. Co., Ltd
Tel:+86-523-86200218 18994667082
Fax:+86 523-86200613
Company Name:Shanghai Rainbow Chemistry Co., Ltd.
Tel:+86 (21) 64968086-5815/5812
Fax:+86 (21) 64968087
Company Name:Suzhou Laing Biological Technology Co., LTD
Company Name:Suzhou yacoo science co.,Ltd
Tel:0512- 81667796