HYDROGEN PEROXIDE†

Chemical Identification
CAS # 7722-84-1
Formula

H₂O₂

Synonyms

high-strength hydrogen peroxide; hydrogen dioxide; hydrogen peroxide (aqueous); hydroperoxide; peroxide

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
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
Sampler/Sampling media
 

 

Bulk Method
Bulk Method
 

 

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
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

Last Updated Date : 12/31/2020