Lapse in Appropriations
For workplace safety and health, please call 800-321-6742; for mine safety and health, please call 800-746-1553; for Job Corps, please call 800-733-5627 and for Wage and Hour, please call 866-487-9243 (866-4-US-WAGE). This website is currently not being updated due to the suspension of Federal government services. The last update to the site was 10/1/2025. Updates to the site will start again when the Federal government resumes operations.
DECABORANE†
| CAS # | 17702-41-9 |
|---|---|
| Formula |
B₁₀H₁₄ |
| Synonyms |
decaboron tetradecahydride |
| Physical description | Colorless to white crystalline solid with an intense, bitter, chocolate-like odor. | ||
|---|---|---|---|
| Boiling point | 415°F | Molecular weight | 122.2 |
| Freezing point/melting point | 211°F | Vapor pressure | 0.2 mmHg |
| Flash point | 176°F | Vapor density | |
| Specific gravity | 0.94 | Ionization potential | 9.88 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 3 | NFPA fire rating | 2 |
| NFPA reactivity rating | 2 | NFPA special instruction | W: Reacts violently or explosively with water |
| 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 |
0.05 ppm (0.3 mg/m³) |
REL-TWA |
0.05 ppm (0.3 mg/m³) |
TLV-TWA |
0.05 ppm [1979] |
PEL-TWA |
0.05 ppm (0.3 mg/m³) |
| PEL-STEL | REL-STEL |
0.15 ppm (0.9 mg/m³) |
TLV-STEL |
0.15 ppm [1979] |
PEL-STEL |
0.15 ppm (0.9 mg/m³) |
|
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
| Notes: | Notes: | Notes: | Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
15 mg/m³ |
|||||
| Carcinogenic classifications: Not listed | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Decaborane NIOSH: Pocket Guide to Chemical Hazards - Decaborane Literature References
|
Last Updated Date : 01/28/2021