XYLIDINE, ALL ISOMERS (DIMETHYLAMINOBENZENE)†
| CAS # | 1300-73-8 |
|---|---|
| Formula |
C₈H₁₁N |
| Synonyms |
2,4-dimethylaniline; 2,4-dimethylaminobenzene; aminodimethylbenzene; 2,4-xylidine; 2,5-xylidine; (there are 6 isomers for xylidine) |
| Physical description | Pale-yellow to brown liquid with a weak, aromatic, amine-like odor. | ||
|---|---|---|---|
| Boiling point | 415-439°F | Molecular weight | 121.2 |
| Freezing point/melting point | -33°F | Vapor pressure | <1 mmHg |
| Flash point | 206°F (2,3-) | Vapor density | |
| Specific gravity | 0.98 | Ionization potential | 7.65eV (2,4-) 7.30eV (2,6-) |
| Lower explosive limit (LEL) | 1% (o-isomer) | Upper explosive limit (UEL) | |
| NFPA health rating | NFPA fire rating | ||
| NFPA reactivity rating | NFPA special instruction | ||
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 2600 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | Silica gel tube (150/75 mg) [SKC 226-10] | ||
| Sampling time* | |||
| Sampling volume (TWA)* | 3-20 L |
||
| Sampling flow rate (TWA)* | 0.02-0.2 L/min |
||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | GC-FID | ||
| Method reference | NIOSH 2002 (fully 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 | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
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 |
2 ppm (10 mg/m³) |
TLV-TWA |
0.5 ppm (inhalable fraction and vapor) [1999] |
PEL-TWA |
0.5 ppm (2.5 mg/m³) |
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| 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 |
50 ppm |
|||||
| Carcinogenic classifications: TLV-A3 | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Xylidines NIOSH: Pocket Guide to Chemical Hazards - Xylidine Literature References
|
Last Updated Date : 01/14/2021