2-Methyl-1-propanol 78-83-1

2-Methyl-1-propanol Basic information

Product Name:

2-Methyl-1-propanol

CAS:

78-83-1

MF:

C4H10O

MW:

74.12

EINECS:

201-148-0

Mol File:

78-83-1.mol

2-Methyl-1-propanol Chemical Properties

Melting point

-108 °C (lit.)

Boiling point

108 °C (lit.) 108 °C

density

0.803 g/mL at 25 °C (lit.)

vapor density

2.55 (vs air)

vapor pressure

8 mm Hg ( 20 °C)

refractive index

n20/D 1.396(lit.)

FEMA

2179 | ISOBUTYL ALCOHOL

Fp

82 °F

storage temp.

Store at +5°C to +30°C.

solubility

water: miscible70g/L at 20°C; miscible with alcohol and oils.

form

Solid

pka

>14 (Schwarzenbach et al., 1993)

color

APHA: ≤10

Relative polarity

0.552

PH

7 (80g/l, H2O, 20℃)

Odor

Slightly suffocating; nonresidual alcoholi

Odor Threshold

0.011ppm

Odor Type

ethereal

biological source

synthetic

explosive limit

1.5-12%(V)

Water Solubility

95 g/L (20 ºC)

Thermal Conductivity

0.134 W/(m·K)

λmax

λ: 260 nm Amax: 0.10

λ: 280 nm Amax: 0.06

Merck

145,131

JECFA Number

251

BRN

1730878

Henry's Law Constant

20.0 at 30.00 °C, 72.2 at 50.00 °C, 133 at 60.00 °C, 216 at 70.00 °C, 330 at 80.00 °C (headspace- GC, Hovorka et al., 2002)

Exposure limits

TWA 300 mg/m3 (100 ppm) NIOSH, 150 mg/m3 (50 ppm) (ACGIH); IDLH 8000 ppm.

Dielectric constant

31.7（-80℃）

Stability:

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

Cosmetics Ingredients Functions

PERFUMING

InChI

1S/C4H10O/c1-4(2)3-5/h4-5H,3H2,1-2H3

InChIKey

ZXEKIIBDNHEJCQ-UHFFFAOYSA-N

SMILES

CC(C)CO

LogP

1 at 25℃

Surface tension

22.92mN/m at 293.15K

CAS DataBase Reference

78-83-1(CAS DataBase Reference)

NIST Chemistry Reference

1-Propanol, 2-methyl-(78-83-1)

EPA Substance Registry System

Isobutanol (78-83-1)