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Isopropyl Alcohol basic information

Views: 2     Author: Site Editor     Publish Time: 2022-07-04      Origin: Site

Isopropyl Alcohol (IPA), also known as 2-propanol, is an organic compound with the chemical formula C3H8O. It is an isomer of n-propanol. It is a colorless transparent liquid with the smell of a mixture of ethanol and acetone. It is soluble in water and most organic solvents such as alcohol, ether, benzene, chloroform, etc.

Isopropyl Alcohol is an important chemical product and raw material, which is mainly used in pharmaceuticals, cosmetics, plastics, spices, coatings, etc.

On October 27, 2017, the list of carcinogens released by the international agency for research on cancer of the World Health Organization was preliminarily sorted out for reference. The production of Isopropyl Alcohol with strong acid was on the list of class I carcinogens and Isopropyl Alcohol was on the list of class III carcinogens.

Isopropyl Alcohol basic information

Chemical formula: C3H8O

Molecular weight: 60.095

CAS No.: 67-63-0

EINECS No.: 200-661-7

Physical and chemical properties of Isopropyl Alcohol

Density: 0.7855g/cm3

Melting point: -89.5 ℃alkohol isopropil suppliers - YuanfarChemicals

Boiling point: 82.5 ℃

Flash point: 11.7 ℃ (CC)

Critical temperature: 235 ℃

Critical pressure: 4.76mpa

Ignition temperature: 456 ℃

Upper explosion limit (v/v): 12.7%

Lower explosive limit (v/v): 2.0%

Appearance: colorless transparent liquid

Solubility: soluble in most organic solvents such as water, ethanol, ether, benzene, chloroform, etc

Molecular structure data of Isopropyl Alcohol

Molar refractive index: 17.44

Molar volume (cm3/mol): 75.9

Isotonic specific volume (90.2k): 165.6

Surface tension (dyne/cm): 22.6

Polarizability (10-24cm3): 6.91

Calculated chemical data of Isopropyl Alcohol

Reference value of hydrophobic parameter calculation (xlogp): 0.3

Number of hydrogen bond donors: 1

Number of hydrogen bond receptors: 1

Number of rotatable chemical bonds: 0

Number of tautomers: 0

Topological molecular polarity surface area: 20.2

Number of heavy atoms: 4

Surface charge: 0

Complexity: 10.8

Number of isotope atoms: 0

Determine the number of atomic structure centers: 0

Number of atomic stereocenters of uncertainty: 0

Determine the number of chemical bond conformation centers: 0

Number of indeterminate chemical bond conformation centers: 0

Number of covalent bond units: 1

Toxicological data of Isopropyl Alcohol

1. Acute toxicity

Ld50:5000mg/kg (rat oral); 3600mg/kg (orally in mice); 6410mg/kg (rabbit oral); 12800mg/kg (rabbit percutaneous).

2. Irritant

Rabbit percutaneous: 500mg, mild irritation.

Rabbit eye: 100mg (24h), moderate irritation.

3. Subacute and chronic toxicity

Rats inhaled 0.27ppm, 24h a day, for 3 consecutive months, and no abnormality was found; 1.0ppm, 24h a day, 3 months, abnormal renal and liver functions; 8.4ppm, 24h a day, 3 months, serious kidney and liver damage.

4. Mutagenicity

Cytogenetic analysis: Saccharomyces cerevisiae 200mmol/ tube

5. Teratogenicity

Rats inhaled the lowest toxic dose (tclo) of 7000ppm (7h) 1~19 days after pregnancy, causing musculoskeletal system development deformity.

6. Other ldlo: human 3570mg/kg; Tdlo: human 223mg/kg.

Isopropyl Alcohol ecological data

1. Ecotoxicity

Lc50:750~1650mg/l (96h) (round bellied brown shrimp); 11130mg/l (48h) (blackhead, static)

2. Biodegradability

Aerobic biodegradation: 24~168h

Anaerobic biodegradation: 96~672h

3. Non biodegradable

Photooxidation half-life in water: 4726~1.90 × 105h

Half life of photooxidation in air: 6.2~72h

Main uses of Isopropyl Alcohol

1. As chemical raw materials, it can produce acetone, hydrogen peroxide, methyl isobutyl ketone, diisobutyl ketone, isopropylamine, isopropyl ether, isopropyl chloride, fatty acid isopropyl ester and chlorinated fatty acid isopropyl ester, etc. In fine chemicals, it can be used to produce isopropyl nitrate, isopropyl xanthate, triisopropyl phosphite, aluminum isopropoxide, medicine and pesticides, as well as diisopropyl acetate, isopropyl acetate, thymol and gasoline additives.

2. As a solvent, it is a relatively cheap solvent in industry. It has a wide range of uses and can be freely mixed with water. Its solubility in lipophilic substances is stronger than that of ethanol. It can be used as a solvent for nitrocellulose, rubber, coatings, shellac, alkaloids, etc. it can be used in the production of coatings, inks, extractants, aerosols, etc. it can also be used as antifreeze, detergent, additive for blended gasoline, dispersant for pigment production, fixative for printing and dyeing industry Antifogging agent of glass and transparent plastic, used as thinner of adhesive, antifreeze, dehydrating agent, etc.

3. As a standard for chromatographic analysis, barium, calcium, copper, magnesium, nickel, potassium, sodium, strontium, nitrite, cobalt, etc. are determined.

4. In the electronic industry, it can be used as a cleaning and degreasing agent.

5. In the oil industry, the extractant of cotton seed oil can also be used for degreasing of animal derived tissue membranes.

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