Methanol Cas:67-56-1

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Product Description:

Product Name: Methanol CAS NO: 67-56-1

 

Synonyms:             

Columbian spirits;

Methyl hydroxide;

Pyroligneous spirit;

 

Chemical & Physical Properties:

Appearance: Clear, colorless liquid

Assay :≥99.0%

Density: 0.7918 g/cm3

Boiling Point: 64.7 ℃

Melting Point: -98 ℃

Flash Point: 12 ℃

Refractive Index: 1.328-1.330

Stability: May decompose on exposure to moist air or water.

Storage Condition: Store at RT.

Vapor Pressure: 97.66mmHg (13.02 kPa, 20℃ )

 

Safety Information:

RTECS: PC1400000

Hazard Class: 3

Safety Statements: S16-S36/37-S45-S7

HS Code: 2905110000

WGK Germany: 1

Packing Group: II

RIDADR: UN 1230

Risk Statements: R11; R23/24/25; R39/23/24/25

Hazard Code: F

Caution Statements: P210; P280; P302 + P352 + P312; P304 + P340 + P312; P370 + P378; P403 + P235

Symbols: GHS02, GHS06, GHS08

Hazard Declaration: H225; H301 + H311 + H331; H370

Signal Word: Danger

 

Methanol, also known as methyl alcohol, wood alcohol, wood naphtha, methyl hydrate, or wood spirits, is a chemical with the formula CH3OH (often abbreviated MeOH). Methanol acquired the name ”wood alcohol” because it was once produced chiefly as a byproduct of the destructive distillation of wood. Today, industrial methanol is produced in a catalytic process directly from carbon monoxide, carbon dioxide, and hydrogen.

Methanol is the simplest alcohol, being only a methyl group linked to a hydroxyl group. It is a light, volatile, colorless, flammable liquid with a distinctive odor very similar to that of ethanol (drinking alcohol). However, unlike ethanol, methanol is highly toxic and unfit for consumption. At room temperature, it is a polar liquid, and is used as an antifreeze, solvent, fuel, and as a denaturant for ethanol. It is also used for producing biodiesel via transesterification reaction.

Methanol is produced naturally in the anaerobic metabolism of many varieties of bacteria, and is commonly present in small amounts in the environment. As a result, the atmosphere contains a small amount of methanol vapor. But in only a few days, atmospheric methanol is oxidized by sunlight to produce carbon dioxide and water.Methanol is also found in abundant quantities in star forming regions of space, and is used in astronomy as a marker for such regions. It is detected through its spectral emission lines.Methanol burns in oxygen, including open air, forming carbon dioxide and water:2 CH3OH + 3 O2 → 2 CO2 + 4 H2O

Methanol ingested in large quantities is metabolized first to formaldehyde and then to formic acid[13] or formate salts, which are poisonous to the central nervous system and may cause blindness, coma, and death. Because of these toxic properties, methanol is frequently used as a denaturant additive for ethanol manufactured for industrial uses. This addition of methanol exempts industrial ethanol (commonly known as ”denatured alcohol” or ”methylated spirit”) from liquor excise taxation in the US and some other countries.

 

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Products under patent are offered for R & D purpose only. However, the final responsibility lies exclusively with the buyer.

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