Label abbreviations descriptions

DI-SEC OCTYL PHTHALATE (DI(2-ETHYLHEXYL) PHTHALATE)†

Chemical Identification
CAS # 117-81-7
Formula

C₂₄H₃₈O₄
Synonyms

DEHP; di(2-ethylhexyl)phthalate; DOP; bis-(2-ethylhexyl)phthalate; octyl phthalate;phthalic acid

Physical Properties
Physical description Colorless, oily liquid with a slight odor.
Boiling point 727°F Molecular weight 390.5
Freezing point/melting point -58°F Vapor pressure 1.32 mmHg at 392°F
Flash point 420°F (open cup) Vapor density 13.45
Specific gravity 0.99 Ionization potential
Lower explosive limit (LEL) 0.3% at 474°F Upper explosive limit (UEL) 0.28% at 507°F
NFPA health rating 0 NFPA fire rating 1
NFPA reactivity rating 0 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1015
Sampling group
Sampler/Sampling media OSHA versatile sampler (OVS-Tenax®) - 13 mm Tenax® tube (140/70 mg) with GFF enclosed [SKC 226-56]
Sampling time*
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 GC-FID
Method reference OSHA 104 (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.

Bulk/Wipe Method
Wipe 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
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

5 mg/m³

 REL-TWA

5 mg/m³

 TLV-TWA

5 mg/m³ [1996]

 PEL-TWA

5 mg/m³
PEL-STEL REL-STEL

10 mg/m³

 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:

See 29 CFR 1910.1000 Table Z-1.

 Notes:

CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION (LOQ 0.15 mg/m³). See Appendix A, NIOSH Potential Occupational Carcinogens.

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

5000 mg/m³
Carcinogenic classifications: IARC-3, NIOSH-Ca, NTP-R, TLV-A3, EPA-B2 Notes:

Ca
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 12/28/2020