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Hydrogen peroxide Structure

Hydrogen peroxide

Product NameHydrogen peroxide

CAS7722-84-1

CBNumberCB3854293

MFH2O2

MW34.01

EINECS231-765-0

MDL NumberMFCD00011333

MOL File7722-84-1.mol

Chemical Properties

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).
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
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)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H302-H315-H318-H335-H412
Precautionary statements P261-P273-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn,C,O
Risk Statements  22-41-37/38-34-20/22-8-35-5
Safety Statements  26-39-45-36/37/39-28A-17-28-1/2
RIDADR  UN 2014 5.1/PG 2
WGK Germany  1
RTECS  MX0899500
TSCA  Yes
HS Code  2847 00 00
HazardClass  5.1
PackingGroup  II
Hazardous Substances Data 7722-84-1(Hazardous Substances Data)
Toxicity LD50 oral (rat)
75 mg/kg (70%)
LD50 skin (rabbit)
700 mg/kg (90%)
LD50 skin (rabbit)
9200 mg/kg (70%)
LC50 inhal (rat)
>2000 ppm (90%)
PEL (OSHA)
1 ppm (1.4 mg/m3) (90%)
TLV-TWA (ACGIH)
1 ppm (1.4 mg/m3) (90%)
IDLA 75 ppm
NFPA 704:
0
3 1
OX

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