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PYRETHRUM†
| CAS # | 8003-34-7 |
|---|---|
| Formula |
No formula |
| Synonyms |
Cinerin I or II; Jasmolin I or II; Pyrethrin I or II; Pyrethrins; pyrethrum I or II [Note: Pyrethrum is a variable mixture of Cinerin, Jasmolin, and pyrethrin.] |
| Physical description | Brown, viscous oil or solid. | ||
|---|---|---|---|
| Boiling point | 338°F (Pyrethrin I), 392°F (Pyrethrin II), 279°F (Cinerin I), 361°F (Cinerin II) | Molecular weight | 328.4 (Pyrethrin I), 372.4 (Pyrethrin II), 316.4 (Cinerin I), 360.4 (Cinerin II) |
| Freezing point/melting point | Vapor pressure | Low | |
| Flash point | 180-190°F | Vapor density | |
| Specific gravity | 1 (approx) | Ionization potential | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 2 | NFPA fire rating | 1 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 2216 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | OSHA versatile sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg) with GFF enclosed [SKC 226-30-16] |
| Sampling time* |
60 min |
| Sampling volume (TWA)* |
60 L |
| Sampling flow rate (TWA)* |
1 L/min |
| Sampling volume (STEL/Peak/C)* |
15 L |
| Sampling flow rate (STEL/Peak/C)* |
1 L/min |
| Analytical method instruments | GC-ECD |
| Method reference | OSHA 70 (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 |
Limit the amount of bulk submitted to 1 g or 1 mL. |
| 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 mg/m³ |
REL-TWA |
5 mg/m³ |
TLV-TWA |
5 mg/m³ [1992] |
PEL-TWA |
5 mg/m³ |
| 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:
|
Notes:
|
||||
| Health factors: See NIH-NLM PubChem. | IDLH |
5000 mg/m³ |
|||||
| Carcinogenic classifications: TLV-A4 |
Notes:
|
||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Pyrethrins, [liquid] NIOSH: Pocket Guide to Chemical Hazards - Pyrethrum Literature References
|
Last Updated Date : 01/11/2021