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GLYOXAL
| CAS # | 107-22-2 |
|---|---|
| Formula |
C₂H₂O₂ |
| Synonyms |
biformyl; ethanedial; 1,2-ethanedione; oxalaldehyde |
| Physical description | Yellow prisms which turn white on cooling; soluble in anhydrous solvents. Often encountered as a light yellow liquid with a weak sour odor. Vapor has a green color and burns with a violet flame. | ||
|---|---|---|---|
| Boiling point | 124°F | Molecular weight | 58.04 |
| Freezing point/melting point | 59°F | Vapor pressure | 18 mmHg |
| Flash point | 428°F | Vapor density | >1 |
| Specific gravity | 1.29 | 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 |
|
REL-TWA |
|
TLV-TWA |
0.1 mg/m³ (inhalable fraction and vapor) [1999] |
PEL-TWA |
0.1 mg/m³ |
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
|
PEL-STEL |
|
| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
NA |
Skin notation |
NA |
Skin notation |
N |
Skin notation |
N |
|
Notes:
Not established |
Notes:
Not established |
Notes:
dermal sensitization (DSEN) |
Notes:
See footnotes [s], this PEL applies to the sum of the exposures to the substance in the vapor state and from the particulate fraction specified in footnote [s] in this table. |
||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: TLV-A4 |
Notes:
|
||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Glyoxal NIOSH: Pocket Guide to Chemical Hazards - Glyoxal Literature References
|
Last Updated Date : 01/31/2018