DIBUTYL PHTHALATE†

Chemical Identification
CAS # 84-74-2
Formula

C₁₆H₂₂O₄

Synonyms

DBP; dibutyl 1,2-benzene-dicarboxylate; di-n-butyl phthalate; n-butyl phthalate

Physical Properties
Physical description Colorless to faint-yellow, oily liquid with a slight, aromatic odor.
Boiling point 644°F Molecular weight 278.3
Freezing point/melting point -31°F Vapor pressure 0.00007 mmHg
Flash point 315°F Vapor density 9.58
Specific gravity 1.05 Ionization potential
Lower explosive limit (LEL) 0.5% Upper explosive limit (UEL) 2.5%
NFPA health rating 2 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.) 0864
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.

Wipe Method
Sampler/Sampling media
Bulk Method
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 [1990]

PEL-TWA

5 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:

See 29 CFR 1910.1000 Table Z-1.

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

4000 mg/m³

Carcinogenic classifications: EPA-D Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Last Updated Date : 01/29/2021