China 2019 Latest Design Acetic Anhydride Sigma - Methyl acetate – Debon factory and manufacturers

2019 Latest Design Acetic Anhydride Sigma - Methyl acetate – Debon

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2019 Latest Design Acetic Anhydride Sigma - Methyl acetate – Debon Detail:

Table of physical and chemical properties and dangerous properties of methyl acetate

Substance name

Methyl acetate

Molecular formula

C₃H₆O₂

Dangerous Goods Number

33627

Classification and Marking

Flash point flammable liquid in category 3.2

Physicochemical properties

Boiling point (°C)

57.8

Relative density (water = 1)

0.92

Saturated vapor pressure (kPa)

13.33(9.4℃)

Melting point (°C)

-98.7

Vapor density (air = 1)

2.55

Solubility

Slightly soluble in water, soluble in most organic solvents such as ethanol and ether.

Appearance and traits

A colorless, transparent liquid with a fragrance.

The main purpose

Used as a solvent, flavor, artificial leather, reagents, etc.

Fire and explosion hazard data

This product is flammable and irritating.

Flash point (°C)

-10

Explosion limit %

3.1～16.0

Ignition temperature (°C)

454

Extinguishing agent

Mist water, anti-solvent foam, dry powder, carbon dioxide, sand.

Fire fighting methods

Move the container from the fire to the open space as much as possible. Spray water to keep the fire container cool until the end of the fire.

Dangerous characteristics

It is flammable, and its vapor and air can form an explosive mixture. In case of fire, high heat, it will cause fire and explosion. Contact with oxidant reacts violently. Its vapor is heavier than air and can spread to a relatively distant place at a lower place. It will ignite and ignite in case of fire.

Reactive data

stability

stable

√

Unstable

Avoid conditions

Polymerization risk

That may exist

does not exist

√

Avoid conditions

Incompatibility

Incompatibility Strong oxidants, bases, acids.

Combustion (decomposition) products

Carbon monoxide, carbon dioxide.

Health hazard data

Route of invasion

Inhalation

√

skin

口

√

Acute toxicity

LD50

5450 mg/kg(Rat oral)；3700 mg/kg(Rabbit oral)

LC50

No data

Health hazard: anesthetic and irritating effects. Contact with this product vapor causes eye burning, tearing, progressive dyspnea, headache, dizziness, palpitations, depression, central nervous system depression. Methanol produced by its decomposition can cause vision loss, optic atrophy and the like.

Emergency handling of spills: Rapid evacuation of personnel to safe areas and isolation. Cut off the fire source. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and wear anti-static overalls. Cut off the source of the leak as much as possible. Prevent entry into restricted spaces such as sewers and flood drains. Small amount of leakage: absorbed with activated carbon or other inert materials. A large number of leaks: building a dike or digging a pit. Cover with foam to reduce steam hazards. Transfer to a tank truck or special collector with an explosion-proof pump, recycle or transport to a waste disposal site for disposal.

Storage and transportation precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat. The temperature of the reservoir should not exceed 30 °C. Keep the container sealed. It should be stored separately from oxidants, acids and alkalis, and should not be mixed. Explosion-proof lighting and ventilation facilities are used. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.

Protective measures：

Occupation exposure limit

MAC(mg/m3)： Not formulatedPC-TWA (mg/m3)： 200PC-STEL(mg/m3)： 500

engineering control

The production process is closed and fully ventilated. Safety showers and eyewash equipment are provided.。

Respiratory protection

Wear self-priming filter respirators when in contact with vapors. Wear an air respirator when you are rescued or evacuated.

Body protection

Wear anti-static overalls.

Hand protection

Smoking is strictly prohibited at the job site. After work, take a shower. Pay attention to personal hygiene.

Eye protection