1. OSHA Occupational Chemical Database
  2. HYDROGEN PEROXIDE
Label abbreviations descriptions

HYDROGEN PEROXIDE†

Chemical Identification
Chemical Identification
CAS # 7722-84-1
Formula

H₂O₂
Synonyms

high-strength hydrogen peroxide; hydrogen dioxide; hydrogen peroxide (aqueous); hydroperoxide; peroxide
Physical Properties
Physical Properties
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
Monitoring Methods Used by OSHA
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
Sampling volume (TWA)*

240 L
Sampling flow rate (TWA)*

1 L/min
Sampling volume (STEL/Peak/C)*

30 L
Sampling flow rate (STEL/Peak/C)*

2 L/min
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
Wipe Method
Sampler/Sampling media
 

 
Bulk Method
Bulk Method
 

 
On-Site Screening Techniques
On-Site Screening Techniques
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
Exposure Limits
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
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
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
 

 

 REL-STEL
 

 

 TLV-STEL
 

 

 PEL-STEL
 

 
PEL-C
 

 

 REL-C
 

 

 TLV-C
 

 

 PEL-C
 

 
Skin notation
 

N

 Skin notation
 

N

 Skin notation
 

N

 Skin notation
 

N
Notes:
 

See 29 CFR 1910.1000 Table Z-1.

 Notes:
 

 

 Notes:
 

 

 Notes:
 

 
Health factors:  See NIH-NLM PubChem. IDLH
 

75 ppm
Carcinogenic classifications: IARC-3, TLV-A3 Notes:
 

 
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

10 ppm/50 ppm/100 ppm
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Hydrogen peroxide, aqueous solution, stabilized, with more than 60% hydrogen peroxide

NIOSH: Pocket Guide to Chemical Hazards - Hydrogen peroxide

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Hydrogen peroxide. See annual publication for most recent information.
  • Ashdown, B.C., Stricof, D.D., May, M.L., Sherman, S.J. and Carmody, R.F.: Hydrogen peroxide poisoning causing brain infarction: neuroimaging findings. AJR Am. J. Roentgenol. 170(6):1653-5, 1998.
  • Pohanish, R.P. (editor): Hydrogen Peroxide. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 1286-1288.
  • Vander Heide, S.J. and Seamon, J.P.: Resolution of delayed altered mental status associated with hydrogen peroxide ingestion following hyperbaric oxygen therapy. Acad. Emerg. Med. 10(9): 998-1000, 2003.

Last Updated Date : 12/31/2020