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Crotonic acid(CAS#3724-65-0)

Chemical Property:

Molecular Formula C4H6O2
Molar Mass 86.09
Density 1.027g/mLat 25°C(lit.)
Melting Point 70-72°C(lit.)
Boling Point 180-181°C(lit.)
Flash Point 190°F
Water Solubility soluble
Vapor Presure 0.19 mm Hg ( 20 °C)
Vapor Density 2.97 (vs air)
pKa 4.80±0.10(Predicted)
Storage Condition 2-8℃
Refractive Index 1.4210 (estimate)
MDL MFCD00181389
Physical and Chemical Properties Monoclinic needle-like or prismatic crystals.
Use Trans-butenoic acid is mainly used for the preparation of synthetic resins, plasticizers, drugs, but also for other organic synthesis

Product Detail

Product Tags

Hazard Symbols C – Corrosive
Risk Codes R21/22 – Harmful in contact with skin and if swallowed.
R34 – Causes burns
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection.
S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs UN 2823 8/PG 3
WGK Germany 3
RTECS GQ2900000

 

Introduction

Crotonic acid is an unsaturated fatty acid. It is a colorless to pale yellow oily liquid with a peculiar odor.Crotonic acid is commonly used in the production of refrigerants, plastics, rubber, resins, and dyes. It can also be used as a preservative, surfactant, and insect repellent.Crotonic acid can be prepared by steps such as hydrolysis, decolorization, esterification of croton oil (the oil extracted from the seeds of croton). Croton oil contains a lot of crotonic acid.Exposure to crotonic acid can irritate the skin and eyes and may cause rashes, allergic reactions, and other adverse reactions. When using crotonic acid, safety protocols should be strictly followed to prevent it from coming into contact with the skin, eyes, and inhalation. During storage and transportation, care should be taken to prevent the leakage of crotonic acid and avoid contact with oxidants and strong acids to avoid causing fire or explosion.Please read the product leaflet carefully before using crotonic acid and follow the relevant safety handling guidelines.


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