Label abbreviations descriptions

COUMAPHOS (CO-RAL)

Chemical Identification
CAS # 56-72-4
Formula

C₁₄H₁₆ClO₅PS
Synonyms

Coumaphos; O,O-diethyl O-(3-chloro-4-methyl-2-oxo(2H)-1- benzopyran-7-yl)phosphorothioate; Diolice; Meldane; Muscatox; Resistox; Asuntol; Bay 21/199; Bazmix; Umbethion

Physical Properties
Physical description Slightly brownish crystals with a slight sulfurous odor.
Boiling point 68°F at 1x10-7 mmHg Molecular weight 362.78
Freezing point/melting point 196°F Vapor pressure 1x10-7 at 68°F
Flash point Vapor density
Specific gravity 1.31 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.) 0736
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*

480 min
Sampling volume (TWA)*

480 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 PV2134 (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.

Bulk/Wipe Method
Wipe Sampler/Sampling media

Wipe with GFF (37 mm), Type A/E [AP4003705]
Bulk Method

Limit the amount of bulk submitted to 1 g or 1 mL.

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
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA REL-TWA TLV-TWA

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

 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

Y

 Skin notation

NA
Notes:

Not established

 Notes:

Not established

 Notes:

BEI®

 Notes:

Not established
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: TLV-A4 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 12/22/2020