RONNEL†

Chemical Identification
Chemical Identification
CAS # 299-84-3
Formula

(CH₃₀)₂P(S)OC₆H₂Cl₃

Synonyms

O,O-dimethyl O-(2,4,5-trichlorophenyl) phosphorothioate; fenchlorophos

Physical Properties
Physical Properties
Physical description White to light-tan, crystalline solid.
Boiling point decomposes Molecular weight 321.6
Freezing point/melting point 106°F Vapor pressure 0.0008 mmHg
Flash point Vapor density
Specific gravity 1.49 at 77°F 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
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 2226
Sampling group
Sampler/Sampling media OSHA versatile sampler (OVS-7) - 13 mm XAD-7 tube (270/140 mg) with GFF enclosed (no longer available) [SKC 226-57]
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-FPD
Method reference OSHA PV2054
Notes

Media no longer available. SKC recommends the 200/100 mg variant with the same media [SKC 226-57].

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
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
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
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

15 mg/m³

REL-TWA

10 mg/m³

TLV-TWA

5 mg/m³ (inhalable fraction and vapor) [2005]

PEL-TWA

10 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:

OSHA Construction and Maritime Industries PEL is 10 mg/m³.See 29 CFR 1926.55 Appendix A and 29 CFR 1915.1000 Table Z-Shipyards.

Notes: Notes:

BEI®

Notes:
Health factors:  See NIH-NLM PubChem. IDLH

300 mg/m³

Carcinogenic classifications: TLV-A4 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Ronnel

NIOSH: Pocket Guide to Chemical Hazards - Ronnel

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Ronnel. See annual publication for most recent information.

Last Updated Date : 01/11/2021