ISOPROPYL ETHER†
| CAS # | 108-20-3 |
|---|---|
| Formula |
C₆H₁₄O |
| Synonyms |
diisopropyl ether; diisopropyl oxide; 2-isopropoxy propane; isopropylether |
| Physical description | Colorless liquid with a sharp, sweet, ether-like odor. | ||
|---|---|---|---|
| Boiling point | 154°F | Molecular weight | 102.2 |
| Freezing point/melting point | -123°F | Vapor pressure | 119 mmHg |
| Flash point | -18°F | Vapor density | |
| Specific gravity | 0.73 | Ionization potential | 9.20 eV |
| Lower explosive limit (LEL) | 1.4% | Upper explosive limit (UEL) | 7.9% |
| NFPA health rating | 2 | NFPA fire rating | 3 |
| NFPA reactivity rating | 1 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 1565 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] |
| Sampling time* | |
| Sampling volume (TWA)* | 01-3 L |
| Sampling flow rate (TWA)* | 0.05 L/min |
| Sampling volume (STEL/Peak/C)* | |
| Sampling flow rate (STEL/Peak/C)* | |
| Analytical method instruments | GC-FID |
| Method reference | NIOSH 1618 (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 | Infrared spectrophotometer |
|---|---|
| Model/Type | Miran 1A & 1B |
|
Sampling information (see manufacturer instructions) |
0.2 ppm@9 µm |
|
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 |
500 ppm (2100 mg/m³) |
REL-TWA |
500 ppm (2100 mg/m³) |
TLV-TWA |
250 ppm [1979] |
PEL-TWA |
250 ppm (1050 mg/m³) |
| PEL-STEL | REL-STEL | TLV-STEL |
310 ppm [1979] |
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 |
1400 ppm |
|||||
| Carcinogenic classifications: Not listed |
Notes:
10% of LEL |
||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Diisopropyl ether NIOSH: Pocket Guide to Chemical Hazards - Isopropyl ether Literature References
|
Last Updated Date : 01/12/2023