95-64-7
Product Name:
3,4-Dimethylaniline
Formula:
C8H11N
Synonyms:
3,4-Xylidine;4-Amino-o-xylene;4-Amino-1,2-dimethylbenzene
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 3,4-xylidine appears as pale brown crystals or off-white solid. (NTP, 1992) |
|---|---|
| Color/Form | Plates of prisms from petroleum ether |
| Boiling Point | 442 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 124 °F (NTP, 1992) |
| Flash Point | 209 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 66 °F (NTP, 1992) |
| Density | 1.076 at 64 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Density | Relative vapor density (air = 1): 4.19 |
| Vapor Pressure | Vapor pressure, Pa at 25 °C: 4 |
| LogP | log Kow= 1.84 |
| Autoignition Temperature | 580 °C |
| Decomposition | WHEN HEATED TO DECOMP, XYLIDINES EMIT HIGHLY TOXIC FUMES. /XYLIDINES/ |
| Odor Threshold | Odor threshold in air= 1.00X10+12 molecules/cc /Xylidines/ |
| Dissociation Constants | pKa= 5.28 |
| Kovats Retention Index | 1173.8 1177.7 1161 |
| Other Experimental Properties | All /isomers/ except ortho-4-xylidine are liquids above 20 °C /Xylidine/ |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Skull and Crossbones Acute Toxicity GHS06 ![]() Health Hazard GHS08 ![]() Environment GHS09 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. |
COMPUTED DESCRIPTORS
| Molecular Weight | 121.18 g/mol |
|---|---|
| XLogP3 | 2.5 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 121.089149355 g/mol |
| Monoisotopic Mass | 121.089149355 g/mol |
| Topological Polar Surface Area | 26 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 90.6 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
3,4-xylidine appears as pale brown crystals or off-white solid. (NTP, 1992)



