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CAS 78-83-1 Isobutyl Alcohol Isobutanol Iba Organic Synthetic Materia

  • 78-83-1

  • Industrial-grade

  • C4H10O

  • 74.07320

  • 2905141000

  • Isobutanol

  • 1-Propanol, 2-methyl-; 2-Methyl-1-propanol; 2-methylpropan-1-ol;


1. Introduction of Isobutanol

Chemical Name




Molecular Formula


Molecular Weight


2. Properties of Isobutanol

Appearance & Physical State

A colorless liquid with a characteristic odor

Melting Point

−108 °C(lit.)

Boiling point

108 °C(lit.)

Water soluble

95 g/L (20 ºC)

The vapor pressure

8 mm Hg ( 20 °C)


Stable. Flammable. Incompatible with strong oxidizing agents, aluminium.


0.803 g/mL at 25 °C(lit.)

Flash point

28 °C - closed cup

Upper/lower flammability or explosive limits

Upper explosion limit: 10,6 %(V) Lower explosion limit: 1,7 %(V)

Oxidizing properties

No data available

Security term

S7/9:Keep container tightly closed and in a well-ventilated place.

S13:Keep away from food, drink and animal feeding stuffs.

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

S37/39:Wear suitable gloves and eye/face protection.

S37/39:Wear suitable gloves and eye/face protection.

Risk term


R37/38:Irritating to respiratory system and skin.

R41:Risk of serious damage to eyes.

R41:Risk of serious damage to eyes.

Operational disposal and storage

Precautions for operation: airtight operation, comprehensive ventilation. Operators must be specially trained and strictly follow the operating procedures. It is recommended that operators wear a self-priming filter gas mask (half mask), safety protective glasses, and antistatic work clothes. Keep away from fire and heat. No smoking in the workplace. Use explosion-proof ventilation systems and equipment. Prevent leakage of vapors into the workplace air. Avoid contact with oxidants and acids. Charge to control the flow rate to prevent static accumulation. Handling should be light, to prevent damage to the packaging and containers. Equipped with corresponding varieties and quantities of fire equipment and leakage emergency treatment equipment. Empty containers may retain harmful substances.

Storage precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat source. The temperature should not exceed 30℃. Keep the container airtight. Should be separated from oxidants, acids, etc., do not mix storage. Explosion-proof lighting and ventilation facilities are adopted. Do not use mechanical equipment and tools that are prone to spark. The storage area shall be equipped with leakage emergency treatment equipment and appropriate holding materials.


Isobutanol is a kind of organic synthetic raw material, used in the manufacture of petroleum additives, antioxidant 2, 6-di-tert-butyl p-cresol, isobutyl acetate (coating solvent), plasticizer, synthetic rubber, artificial musk, fruit essential oil and synthetic drugs, can also be used to purify strontium, barium and lithium and other salt chemical reagents and used as a senior solvent, It is an edible spice permitted by GB 2760-2014.

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