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Di-sec octyl phthalate																				Related Pages
Synonyms & Trade Names
			DEHP, Di(2-ethylhexyl)phthalate, DOP, bis-(2-Ethylhexyl)phthalate, Octyl phthalate
CAS No.
			117-81-7
	RTECS No.
			TI0350000
	DOT ID & Guide

FormulaC24H38O4
	Conversion
	IDLH
			Ca [5000 mg/m3]See: 117817

Exposure Limits
			NIOSH RELCa TWA 5 mg/m3 ST 10 mg/m3See Appendix A
					OSHA PEL TWA 5 mg/m3See Appendix G
	Measurement Methods
			**NIOSH** 5020
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless, oily liquid with a slight odor.													
										
Molecular Weight390.5	
	Boiling Point727°F
	Freezing Point-58°F
	Solubility(75°F): 0.00003%
	Vapor Pressure<0.01 mmHg
	Ionization Potential?											
Specific Gravity0.99	
	Flash Point(oc) 420°F
	Upper Explosive Limit?
	Lower Explosive Limit(474°F): 0.3%
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Incompatibilities & Reactivities
			Nitrates; strong oxidizers, acids & alkalis
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, mucous membrane; In Animals: liver damage; teratogenic effects; [potential occupational carcinogen]
Target Organs
			Eyes, respiratory system, central nervous system, liver, reproductive system, gastrointestinal tract
Cancer Site[in animals: liver tumors]										
Personal Protection/Sanitation
			(See protection codes) **Skin:**No recommendation
							**Eyes:**No recommendation
							**Wash skin:**No recommendation
							**Remove:**No recommendation
							**Change:**No recommendation
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH****At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:** (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus**Escape:**(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.Any appropriate escape-type, self-contained breathing apparatus
					Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0271

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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C
D
E
F
G
H
I
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L
M
N
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P
Q
R
S
T
U
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Z
CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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