ESTRIOL
Chemical Identification | |
---|---|
CAS # | 50-27-1 |
Formula |
C₁₈H₂₄O₃ |
Synonyms |
Destriol; 1,3,5-estratriene-3-β,16-α, 17-β-triol; trihydroxyestrin |
Physical Properties | |||
---|---|---|---|
Physical description | Odorless white crystals. | ||
Boiling point | Molecular weight | 288.39 | |
Freezing point/melting point | 282°C | Vapor pressure | |
Flash point | 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.) | E321 | |||||
Sampling group | ||||||
Sampler/Sampling media | GFF Gelman Type A (37 mm) in 3-piece cassette no backup pad [SKC 225-706] | |||||
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 | HPLC | |||||
Method reference | OSHA PV2001 (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 Method | |
---|---|
Sampler/Sampling media |
|
Bulk Method |
---|
|
On-Site Screening Techniques | ||||||
---|---|---|---|---|---|---|
Device | ||||||
Model/Type | ||||||
Sampling information (see manufacturer instructions) |
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 |
|||||
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 |
||||
Health factors: See NIH-NLM PubChem. | IDLH | ||||||
Carcinogenic classifications: NTP, IARC-1 |
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 : 12/28/2020