ChemicalBook >>O-Tolidine>>C.I. 37230(119-93-7)

C.I. 37230(119-93-7)

C.I. 37230(119-93-7)
Product IdentificationBack to Contents
【Product Name】

C.I. 37230
【Synonyms】

3,3'-Dimethyl-(1,1'-biphenyl)-4,4'-diamine
3,3'-Dimethylbenzidine
4-(4-Amino-3-methylphenyl)-2-methylaniline
4,4'-Bi-o-toluidine
Bianisidine
【CAS】

119-93-7
【Formula】

C14H16N2
【Molecular Weight】

212.29
【EINECS】

204-358-0
【RTECS】

DD1225000
【RTECS Class】

Tumorigen; Mutagen
【Merck】

12,9651
【Beilstein/Gmelin】

2210640
【Beilstein Reference】

4-13-00-00419
【EC Index Number】

612-041-00-7
【EC Class】

Carcinogenic Category 2; Harmful; Dangerous for the Environment
Physical and Chemical PropertiesBack to Contents
【Appearance】

White to reddish crystals or crystalline powder or a light tan powder.
【Solubility in water】

1.3 g/L
【Boiling Point】

361
【Vapor Pressure】

2E-5 (25 C)
【Density】

1.234 g/cm3
【pKa/pKb】

9.31 (pKb)
【Partition Coefficient】

2.34
【Heat Of Vaporization】

60.7 kJ/mol
【Heat Of Combustion】

-1670 kJ/mol
【Usage】

Very sensitive reagent for detection of gold (1:10 million detectable), and free chlorine in water.
【Refractive Index】

1.641 (125 C)
First Aid MeasuresBack 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 immediately.
【Inhalation】

Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
【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 StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from light and air.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Inhalation】

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

Causes skin irritation.
【Eyes】

Causes eye irritation.
【Ingestion】

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

Contact with metals may evolve flammable hydrogen gas.
【UN (DOT)】

2811
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.
【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.
【Exposure Effects】

May cause cancer in humans.
【Exposure limit(s)】

TLV: ppm; mg/m3 A3 (skin) (ACGIH 1997). OSHA PEL: See Appendix C NIOSH REL: Ca C 0.02 mg/m3 60-minute skin See Appendix A See Appendix C NIOSH IDLH: Potential occupational carcinogen
【Poison Class】

1*
Fire Fighting MeasuresBack to Contents
【Flash Point】

205
【Autoignition】

526
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
【Fire Potential】

This material is probably combustible.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions.
Stability and ReactivityBack to Contents
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizers
【Decomposition】

Nitrogen oxides, carbon monoxide, carbon dioxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2811
【Hazard Class】

6.1
【Packing Group】

I; II; III
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