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Methallyl alcohol

Methallyl alcohol Basic information
Product Name:Methallyl alcohol
Synonyms:beta-methylallylalcohol;CH2=C(CH3)CH2OH;METHALLYL ALCOHOL;ISOPROPENYLCARBINOL;'ISOBUTENOL';2-METHALLYLALCOHOL;2-METHYL-2-PROPEN-1-OL 98+%;Methally Alcohol
CAS:513-42-8
MF:C4H8O
MW:72.11
EINECS:208-161-0
Product Categories:Acyclic;Alkenes;Building Blocks;Chemical Synthesis;Organic Building Blocks;Industrial/Fine Chemicals;CONSTRUCTION
Mol File:513-42-8.mol
Methallyl alcohol Structure
Methallyl alcohol Chemical Properties
Melting point -50 °C
Boiling point 113-115 °C(lit.)
density 0.857 g/mL at 25 °C(lit.)
refractive index n20/D 1.426(lit.)
Fp 92 °F
storage temp. Flammables area
solubility Chloroform (Slightly), Methanol (Slightly)
form clear liquid
pka14.49±0.10(Predicted)
Specific Gravity0.8515
color Colorless to Almost colorless
Water Solubility 11 g/100 mL
BRN 969226
Stability:Light Sensitive
CAS DataBase Reference513-42-8(CAS DataBase Reference)
NIST Chemistry Reference2-Propen-1-ol, 2-methyl-(513-42-8)
EPA Substance Registry SystemMethallyl alcohol (513-42-8)
Safety Information
Hazard Codes Xi
Risk Statements 10-36/37/38
Safety Statements 26-36-37/39-16
RIDADR UN 2614 3/PG 3
WGK Germany 3
RTECS UD5250000
TSCA Yes
HazardClass 3.2
PackingGroup III
HS Code 29052900
MSDS Information
ProviderLanguage
Methallyl alcohol English
SigmaAldrich English
ACROS English
Methallyl alcohol Usage And Synthesis
DescriptionMethallyl alcohol is a colorless liquid with a pungent odor. Molecular weight= 72.12;Boiling point=114℃; Flash point=33℃. Hazard Identification (based on NFPA-704 M Rating System): Health 2, Flammability 3, Reactivity 0. Slightly soluble in water.
Chemical PropertiesCLEAR COLOURLESS LIQUID
Uses2-Methyl-2-propen-1-ol (MePro) attaches to hemicellulose acetylated galactoglucomannan (AcGGM) backbone providing it with pendant sites that allow subsequent cross-linking and hydrogel formation.
Production MethodsMethallyl alcohol is prepared by hydrolysis of methallyl chloride in a 10 wt% aqueous sodium hydroxide solution. Pure methallyl alcohol can be obtained by methanolysis of methallyl acetate in the presence of catalytic amounts of bases. Methallyl alcohol is used in the preparation of polymerizable esters.
General DescriptionA colorless liquid with a sharp pungent odor. Soluble in water and floats on water. Moderately toxic by ingestion and is an irritant to eyes and skin. Used in the chemical process industry.
Air & Water ReactionsHighly flammable and soluble in water.
Reactivity ProfileMethallyl alcohol may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas.
Health HazardExposure can cause irritation of eyes, nose and throat.
Potential ExposureUsed as an intermediate in organic synthesis
First aidIf this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
storageColor Code—Red: Flammability Hazard: Store in a flammable liquid storage area or approved cabinet away from ignition sources and corrosive and reactive materials. Prior to working with this chemical you should be trained on its proper handling and storage. Store in tightly closed containers in a cool, well-ventilated area away from oxidizers and other incompatible materials. Metal containers involving the transfer of this chemical should be grounded and bonded. Drums must be equipped with self-closing valves. Sources of ignition, such as smoking and open flames, are prohibited where this chemical is used, handled, or stored in a manner that could create a potential fire or explosion hazard.
ShippingThis compound requires a shipping label of “FLAMMABLE LIQUID.” It falls in Hazard Class 3 and Packing Group II.
IncompatibilitiesForms explosive mixture with air. Incompatible with strong acids, caustics, aliphatic amines, isocyanates, DMSO, oxidizers.
Methallyl alcohol Preparation Products And Raw materials
Raw materials3-Chloro-2-methylpropene-->Sodium hydroxide
Preparation ProductsDE-6-->Methallyl acetate
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