DIMETHYL-1,2-DIBROMO-2,2-DICHLOROETHYL PHOSPHATE (NALED)†
| CAS # | 300-76-5 |
|---|---|
| Formula |
C₄H₇Br₂Cl₂O₄P |
| Synonyms |
dibrom; 1,2-dibromo-2,2-dichloroethyl dimethyl phosphate; naled |
| Physical description | Colorless to white solid or straw-colored liquid (above 80°F) with a slightly pungent odor. | ||
|---|---|---|---|
| Boiling point | 392°F | Molecular weight | 380.8 |
| Freezing point/melting point | 80°F | Vapor pressure | 0.0002 mmHg |
| Flash point | Vapor density | ||
| Specific gravity | 1.97 at 68°F | Ionization potential | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | NFPA fire rating | ||
| NFPA reactivity rating | NFPA special instruction | ||
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | |||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | |||
| Sampling time* | |||
| Sampling volume (TWA)* | |||
| Sampling flow rate (TWA)* | |||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | |||
| Method reference | |||
| 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 |
3 mg/m³ |
REL-TWA |
3 mg/m³ |
TLV-TWA |
0.1 mg/m³ (inhalable fraction and vapor) [2002] |
PEL-TWA |
3 mg/m³ |
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
N |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
| Notes: | Notes: |
Notes:
BEI®, dermal sensitizer (DSEN) |
Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
200 mg/m³ |
|||||
| Carcinogenic classifications: TLV-A4 | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Naled NIOSH: Pocket Guide to Chemical Hazards - Dimethyl-1,2-dibromo-2,2-dichlorethyl phosphate Literature References
|
Last Updated Date : 12/28/2020