DIBUTYL PHTHALATE†
| CAS # | 84-74-2 |
|---|---|
| Formula |
C₁₆H₂₂O₄ |
| Synonyms |
DBP; dibutyl 1,2-benzene-dicarboxylate; di-n-butyl phthalate; n-butyl phthalate |
| 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 | |||
| 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 Sampler/Sampling media | |
|---|---|
| Bulk Method |
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
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 |
|||||
|---|---|---|---|---|---|---|---|
| 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: | 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: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - N-Butyl phthalate NIOSH: Pocket Guide to Chemical Hazards - Dibutyl phthalate Literature References
|
Last Updated Date : 01/29/2021