Isopropyl Alcohol- IPA

isopropyl alcohol

IUPAC name

propan-2-ol

Other names

2-propanol, isopropanol, isopropyl alcohol

Identifiers

CAS number

67-63-0 Y

PubChem

3776

RTECS number

NT8050000

ChemSpider ID

3644

Properties

Molecular formula

C₃H₇OH

Molar mass

60.10 g/mol

Appearance

Colorless liquid

Density

(at 20 C) 0.786 g/cm³, liquid

Melting point

-89 ^oC , 184 K, -128 ^oF

Boiling point

82.4 ^oC , 356 K, 180 ^oF

Solubility in water

miscible

Solubility

miscible in benzene, chloroform, ethanol, ether, glycerin
soluble in acetone
insoluble in salt solutions

Acidity (pK_a)

16.5

Refractive index (n_D)

1.3776

Viscosity

2.86 cP at 15 ^oC
1.96 cP at 25 ^oC^[1]
1.77 cP at 30 ^oC
For 187K-500K, viscosity (cP) =10^(-0.7009+(8.4150E+02/T)+(-8.6068E-03*T)+(8.2964E-06*(T^2))) (Temp in K)^[1]

Dipole moment

1.66 D (gas)

Hazards

MSDS

External MSDS

R-phrases

R11 R36 R67

S-phrases

S7 S16 S24 S25 S26

Flash point

11.7 ^oC  (open cup)
13 ^oC  (closed cup)

Autoignition
temperature

399 ^oC

LD₅₀

5005 mg/kg (rat, oral)