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N,N-DIMETHYLANILINE†
| CAS # | 121-69-7 |
|---|---|
| Formula |
C₈H₁₁N |
| Synonyms |
N,N-dimethylbenzeneamine; N,N-dimethylphenylamine [Note: Also known as dimethylaniline which is a correct synonym for xylidine.] |
| Physical description | Pale yellow, oily liquid with an amine-like odor. | ||
|---|---|---|---|
| Boiling point | 378°F | Molecular weight | 121.2 |
| Freezing point/melting point | 36°F | Vapor pressure | 1 mmHg |
| Flash point | 142°F | Vapor density | 4.17 |
| Specific gravity | 0.96 | Ionization potential | 7.14 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 3 | NFPA fire rating | 2 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 0931 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | XAD-7 (80/40 mg sections, 20/60 mesh) coated with 10% phosphoric acid [SKC 226-98] |
| Sampling time* |
150 min |
| Sampling volume (TWA)* |
30 L |
| Sampling flow rate (TWA)* |
0.2 L/min |
| Sampling volume (STEL/Peak/C)* |
|
| Sampling flow rate (STEL/Peak/C)* |
|
| Analytical method instruments | GC-FID |
| Method reference | OSHA PV2064 (partially validated) |
| Notes |
|
| Special requirements |
|
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
| Wipe Sampler/Sampling media |
|
|---|---|
| Bulk Method |
|
| Device | Detector tube | Infrared spectrophotometer |
|---|---|---|
| Model/Type | Gastec 181 | Miran 1A & 1B |
|
Sampling information (see manufacturer instructions) |
2.5-45 ppm range | 0.7 ppm@8.6 µm |
|
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA |
5 ppm (25 mg/m³) |
REL-TWA |
5 ppm (25 mg/m³) |
TLV-TWA |
5 ppm [1990] |
PEL-TWA |
5 ppm (25 mg/m³) |
| PEL-STEL |
|
REL-STEL |
10 ppm (50 mg/m³) |
TLV-STEL |
10 ppm [1990] |
PEL-STEL |
10 ppm (50 mg/m³) |
| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
| Notes: |
Notes:
|
Notes:
BEI® |
Notes:
|
||||
| Health factors: See NIH-NLM PubChem. | IDLH |
100 ppm |
|||||
| Carcinogenic classifications: IARC-3, TLV-A4 |
Notes:
|
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|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - N,N-Dimethylaniline NIOSH: Pocket Guide to Chemical Hazards - N,N-Dimethylaniline Literature References
|
Last Updated Date : 01/05/2021