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C.I. 37230

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[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.
[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.
[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.
[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
[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*
[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)
[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]

"CASEN_119-93-7.htm">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
[Small spills/leaks]

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions.
[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.
[UN Number]

2811
[Hazard Class]

6.1
[Packing Group]

I; II; III