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PLATINUM METAL
| CAS # | 7440-06-4 |
|---|---|
| Formula |
Pt |
| Synonyms |
platinum black; platinum metal; platinum sponge |
| Physical description | Silvery, whitish-gray, malleable, ductile metal. | ||
|---|---|---|---|
| Boiling point | 6921°F | Molecular weight | 195.1 |
| Freezing point/melting point | 3222°F | Vapor pressure | 0 mmHg (approx) |
| Flash point | Vapor density | ||
| Specific gravity | 21.45 | 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 | |||
| Analyte code (IMIS no.) | P211 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | Pre-assembled cassette with mixed cellulose ester filter (MCEF) 0.8 micron (25 or 37 mm) [MAWP025A0 or MAWP037A0] |
| Sampling time* |
240-480 min |
| Sampling volume (TWA)* |
480-960 L |
| Sampling flow rate (TWA)* |
2 L/min |
| Sampling volume (STEL/Peak/C)* |
|
| Sampling flow rate (STEL/Peak/C)* |
|
| Analytical method instruments | AAS/AES |
| Method reference | OSHA ID-121 (fully validated) |
| Notes |
OSHA staff, please contact the SLTC before sampling. |
| 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 |
Wipe with Whatman smear tab. [WHA1450993] |
|---|---|
| Bulk Method |
Available |
| 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 |
|
REL-TWA |
1 mg/m³ |
TLV-TWA |
1 mg/m³ [1979] |
PEL-TWA |
1 mg/m³ |
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
|
PEL-STEL |
|
| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
NA |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
|
Notes:
Not established |
Notes:
|
Notes:
|
Notes:
|
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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:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Platinum NIOSH: Pocket Guide to Chemical Hazards - Platinum Literature References
|
Last Updated Date : 01/08/2021