METHIDATHION
| CAS # | 950-37-8 |
|---|---|
| Formula |
C₆H₁₁N₂O₄PS₃ |
| Synonyms |
Ultracide (TM); Supracide (TM); somonil; Fisons NC 2964; DMTP; ENT 27193 |
| Physical description | Colorless crystals. | ||
|---|---|---|---|
| Boiling point | Molecular weight | 302.34 | |
| Freezing point/melting point | 102-104°F | Vapor pressure | 1x10-6 mmHg |
| Flash point | Vapor density | ||
| Specific gravity | 1.495 | 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.) | M105 | ||
|---|---|---|---|
| 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)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | GC-ECD | ||
| Method reference | OSHA PV2074 (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 |
|
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: Not listed |
Notes:
|
||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
|||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Methidathion NIOSH: Pocket Guide to Chemical Hazards - Methidathion Literature References
|
Last Updated Date : 01/05/2021