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DIETHANOLAMINE
| CAS # | 111-42-2 |
|---|---|
| Formula |
C₄H₁₁NO₂ |
| Synonyms |
DEA; di(2-hydroxyethyl)amine; 2,2'-dihydroxydiethyamine; diolamine; bis(2-hydroxyethyl)amine; 2,2'-iminodiethanol |
| Physical description | Colorless crystals or a syrupy, white liquid (above 82°F) with a mild, ammonia-like odor. | ||
|---|---|---|---|
| Boiling point | 516°F (decomposes) | Molecular weight | 105.2 |
| Freezing point/melting point | 82°F | Vapor pressure | <0.01 mmHg |
| Flash point | 279°F | Vapor density | 3.65 |
| Specific gravity | 1.1 | Ionization potential | |
| Lower explosive limit (LEL) | 1.6% | Upper explosive limit (UEL) | 9.8% |
| NFPA health rating | 3 | NFPA fire rating | 1 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | D129 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | XAD-2 tube (80/40) coated with 10% 1-naphthylisothiocyanate (NITC) [SKC 226-30-18] |
| Sampling time* | 100 min |
| Sampling volume (TWA)* | 10 L |
| Sampling flow rate (TWA)* | 0.1 L/min |
| Sampling volume (STEL/Peak/C)* | |
| Sampling flow rate (STEL/Peak/C)* | |
| Analytical method instruments | HPLC-UV |
| Method reference | OSHA PV2018 (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.
| 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 | REL-TWA |
3 ppm (15 mg/m³) |
TLV-TWA |
1 mg/m³ (inhalable fraction and vapor) [2008] |
PEL-TWA |
0.46 ppm (2 mg/m³) |
|
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
NA |
Skin notation |
N |
Skin notation |
Y |
Skin notation |
Y |
|
Notes:
Not established |
Notes: | Notes: | Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: IARC-3, TLV-A3 | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Diethanolamine NIOSH: Pocket Guide to Chemical Hazards - Diethanolamine Literature References
|
Last Updated Date : 12/28/2020