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2-AMINOPYRIDINE†
| CAS # | 504-29-0 |
|---|---|
| Formula |
C₅H₆N₂ |
| Synonyms |
α-aminopyridine; α-pyridylamine |
| Physical description | White powder, leaflets, or crystals with a characteristic odor. | ||
|---|---|---|---|
| Boiling point | 411°F | Molecular weight | 94.1 |
| Freezing point/melting point | 137°F | Vapor pressure | 0.8 mmHg at 77°F |
| Flash point | 198°F | Vapor density | |
| Specific gravity | Ionization potential | 8.00 eV | |
| Lower explosive limit (LEL) | 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.) | 0165 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | 2 GFFs (37 mm) coated with sulfuric acid, in 3-piece cassette, separated by the ring section [SKC 225-9004] |
| Sampling time* | 240 min |
| Sampling volume (TWA)* | 240 L |
| Sampling flow rate (TWA)* | 1 L/min |
| Sampling volume (STEL/Peak/C)* | |
| Sampling flow rate (STEL/Peak/C)* | |
| Analytical method instruments | GC-NPD |
| Method reference | OSHA PV2143 (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 | |||||
|---|---|---|---|---|---|
| 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 |
0.5 ppm (2 mg/m³) |
REL-TWA |
0.5 ppm (2 mg/m³) |
TLV-TWA |
|
PEL-TWA |
|
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
|
PEL-STEL |
|
| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
| Notes: |
Notes:
|
Notes:
Visit the ACGIH TLV site for specific data |
Notes:
|
||||
| Health factors: See NIH-NLM PubChem. | IDLH |
5 ppm |
|||||
| Carcinogenic classifications: |
Notes:
|
||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
|||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - 2-Aminopyridine NIOSH: Pocket Guide to Chemical Hazards - 2-Aminopyridine Literature References
|
Last Updated Date : 03/28/2023