P-XYLENE-⍺,⍺'-DIAMINE
| Chemical Identification | |
|---|---|
| CAS # | 539-48-0 |
| Formula |
C₈H₁₂N₂ |
| Synonyms |
p-xylylenediamine; methylamine, p-phenylene bis-; p-phenylene-bis-(methylamine); 1,4-bis(aminomethyl)benzene; xylenediamine |
| Physical Properties | |||
|---|---|---|---|
| Physical description | Colorless liquid with an aromatic odor. | ||
| Boiling point | 446°F | Molecular weight | 136.19 |
| Freezing point/melting point | 143°F | Vapor pressure | 9 mmHg |
| Flash point | 81°F | Vapor density | |
| Specific gravity | Ionization potential | ||
| 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 | |||
| Monitoring Methods Used by OSHA | ||||||
|---|---|---|---|---|---|---|
| Analyte code (IMIS no.) | R221 | |||||
| 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* | 15 min |
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| Sampling volume (TWA)* | 15 L |
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| Sampling flow rate (TWA)* | 1 L/min |
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| Sampling volume (STEL/Peak/C)* | ||||||
| Sampling flow rate (STEL/Peak/C)* | ||||||
| Analytical method instruments | HPLC | |||||
| Method reference | OSHA ORG-105 (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 Method | |
|---|---|
| Sampler/Sampling media | |
| Bulk Method |
|---|
| On-Site Screening Techniques | ||||||
|---|---|---|---|---|---|---|
| Device | ||||||
| Model/Type | ||||||
|
Sampling information (see manufacturer instructions) |
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| Exposure Limits | |||||||
|---|---|---|---|---|---|---|---|
|
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 |
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| PEL-TWA | REL-TWA | TLV-TWA | PEL-TWA | ||||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
NA |
Skin notation |
NA |
Skin notation |
NA |
Skin notation |
NA |
|
Notes:
Not established |
Notes:
Not established |
Notes:
Not established |
Notes:
Not established |
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| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
| Additional Resources and Literature References |
|---|
|
NOAA: CAMEO Chemicals - Not listed NIOSH: Pocket Guide to Chemical Hazards - Not listed Literature References |
Last Updated Date : 01/11/2021