HYDROGEN PEROXIDE†
Chemical Identification | |
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CAS # | 7722-84-1 |
Formula |
H₂O₂ |
Synonyms |
high-strength hydrogen peroxide; hydrogen dioxide; hydrogen peroxide (aqueous); hydroperoxide; peroxide |
Physical Properties | |||
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Physical description | Colorless liquid with a slightly sharp odor. | ||
Boiling point | 286°F | Molecular weight | 34 |
Freezing point/melting point | 12°F | Vapor pressure | 5 mmHg at 86°F |
Flash point | Vapor density | ||
Specific gravity | 1.39 | Ionization potential | 10.54 eV |
Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
NFPA health rating | 3 | NFPA fire rating | 0 |
NFPA reactivity rating | 3 | NFPA special instruction | OX: Possesses oxidizing properties. |
Vapor hazard ratio (VHR) | |||
Historical exceedance percentage | |||
Target organs |
Monitoring Methods Used by OSHA | ||||||
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Analyte code (IMIS no.) | 1470 | |||||
Sampling group | ||||||
Sampler/Sampling media | (2) 25 mm quartz filters coated with titanium oxysulfate [SKC 225-9030] | |||||
Sampling time* | 240 min |
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Sampling volume (TWA)* | 240 L |
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Sampling flow rate (TWA)* | 1 L/min |
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Sampling volume (STEL/Peak/C)* | 30 L |
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Sampling flow rate (STEL/Peak/C)* | 2 L/min |
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Analytical method instruments | UV-VIS | |||||
Method reference | OSHA 1019 (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 Method | |
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Sampler/Sampling media |
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Bulk Method |
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On-Site Screening Techniques | ||||||
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Device | Detector tube | Detector tube | CMS Chip | |||
Model/Type | Dräger - Hydrogen Peroxide 0.1/a, 8101041 | Gastec 32 | Hydrogen peroxide, 0.2-2 ppm range | |||
Sampling information (see manufacturer instructions) |
20 strokes, approx 0.05-3 ppm range, uncertainty approx 25%. | 5 strokes, 0.1-10 ppm range, uncertainty 16% for 0.5-2 ppm, 8% for 4-10 ppm |
Exposure Limits | |||||||
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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 |
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PEL-TWA |
1 ppm (1.4 mg/m³) |
REL-TWA |
1 ppm (1.4 mg/m³) |
TLV-TWA |
1 ppm [1990] |
PEL-TWA |
1 ppm (1.4 mg/m³) |
PEL-STEL |
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REL-STEL |
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TLV-STEL |
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PEL-STEL |
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PEL-C |
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REL-C |
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TLV-C |
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PEL-C |
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Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Notes: |
Notes:
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Notes:
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Notes:
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Health factors: See NIH-NLM PubChem. | IDLH |
75 ppm |
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Carcinogenic classifications: IARC-3, TLV-A3 |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
10 ppm/50 ppm/100 ppm |
Additional Resources and Literature References |
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NOAA: CAMEO Chemicals - Hydrogen peroxide, aqueous solution, stabilized, with more than 60% hydrogen peroxide NIOSH: Pocket Guide to Chemical Hazards - Hydrogen peroxide Literature References
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Last Updated Date : 12/31/2020