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M-chloroperoxybenzoic acid(CAS#937-14-4)

Chemical Property:

Molecular Formula C7H5ClO3
Molar Mass 172.57
Density 0.56
Melting Point 69-71°C(lit.)
Boling Point 244.67°C (rough estimate)
Flash Point 136.904°C
Water Solubility insoluble
Vapor Presure 0.373Pa at 25℃
Appearance Moist Powder
Color White
Odor slight pungent odor
BRN 608317
pKa 7.57 (in water @ 25 °C)
PH 4.5@25 °C (saturated aq. sol)
Storage Condition 2-8°C
Stability Strong oxidizing agent – contact with combustible material may cause fire. May be shock or heat sensitive. Incompatible with organic materials, strong reducing agents.
Refractive Index 1.4580 (estimate)
Physical and Chemical Properties White powdery crystals. Melting point 92-94 ℃ (decomposition). Almost insoluble in water, easily soluble in ethanol and ethers, soluble in chloroform and dichloroethane. It is stable to heat, and the annual decomposition rate at room temperature is less than 1%. The decomposition rate is accelerated in the liquid state.

Product Detail

Product Tags

Risk Codes R5 – Heating may cause an explosion
R8 – Contact with combustible material may cause fire
R36/37/38 – Irritating to eyes, respiratory system and skin.
R43 – May cause sensitization by skin contact
R7 – May cause fire
R34 – Causes burns
R22 – Harmful if swallowed
Safety Description S17 – Keep away from combustible material.
S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37 – Wear suitable protective clothing and gloves.
S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection.
S3/7 -
S14 – Keep away from … (a list of incompatible materials will follow).
S27 – Take off immediately all contaminated clothing.
S7/9 -
UN IDs UN 3106 5.2
WGK Germany 3
RTECS SD9470000
FLUKA BRAND F CODES 4.4
TSCA Yes
HS Code 29163990
Hazard Class 5.2
Packing Group II

 

Introduction

3-chloroperoxybenzoic acid (m-CPBA) is an organic peroxide. m-CPBA is a white crystalline solid with a pungent odor at room temperature.The most important use of m-CPBA is as an oxidant in organic synthesis. It can oxidize unsaturated compounds to their corresponding carbonyl compounds. m-CPBA can also be used in the synthesis of heterocyclic compounds and oxidation reactions in other organic reactions.The preparation of m-CPBA can be obtained by chlorination of benzoic acid peroxide. The general reaction conditions are at room temperature, benzoic acid peroxide and chlorine are added to the acetic acid solution for reaction, and the crystallization of m-CPBA is obtained.m-CPBA is a highly oxidizing compound that can cause fire and explosion, and its contact and mixing with combustible substances should be strictly controlled. m-CPBA is also irritating and should be avoided in contact with skin and eyes, and be sure to operate in a well-ventilated environment. Read the relevant safety instructions carefully and wear appropriate personal protective equipment before use. Proper operating procedures and safety standards should be followed when using m-CPBA in chemical laboratories.


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