Melting point :-33 °C
Boiling point :108 °C
Density :1.13 g/mL at 20 °C
vapor density :1.1 (vs air)
vapor pressure :23.3 mm Hg ( 30 °C)
refractive index :1.3350
Flash point :107°C
storage temp. :10-30°C
solubility :diethyl ether: soluble
pka :11.5(at 25℃)
form :Solution
Specific Gravity :approximate 1.13
color :≤10(APHA)
PH Range :6 - 8 at 25 °C
Odor :Slightly pungent, irritating odor
PH :2-4 (H2O, 20°C)
Water Solubility :miscible
Merck :14,4798
BRN :3587191
Exposure limits :TLV-TWA 1 ppm (～1.5 mg/m³) (ACGIH), MSHA,andOSHA),IDLH75 ppm(NIOSH).
Dielectric constant :84.2（0℃）
Stability :Slightly unstable - will very slowly decompose. Decomposition is promoted by catalysts and heating, so store cool. Light sensitive, keep in the dark. May contain stabilizer. Reacts with rust, brass, zinc, nickel, finely powdered metals, copper and iron and their alloys.
InChIKey :MHAJPDPJQMAIIY-UHFFFAOYSA-N
LogP :-1.57 at 20℃
CAS DataBase Reference :7722-84-1(CAS DataBase Reference)
IARC :3 (Vol. 36, Sup 7, 71) 1999
NIST Chemistry Reference :Hydrogen peroxide(7722-84-1)
EPA Substance Registry System :Hydrogen peroxide (7722-84-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.