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Benzyl Alcohol

Benzyl Alcohol

Basic Information

CAS No.: 100-51-6
Molecular Formula: C7H8O
Molecular Weight: 108.14

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Product Details

Benzyl alcohol is a colorless and transparent liquid at room temperature with a fragrant odor. Its density is 1.045g/mL (at 25℃), slightly thicker than water, with a melting point of -15.2 ℃ and a boiling point of 205℃. It is slightly soluble in water, with a solubility of 42900mg/L in water at 25℃. It is miscible with benzene, methanol, chloroform, ethanol, ether and acetone, etc.


Chemical Properties

PropertyValue

Melting point

-15 °C

Boiling point

205 °C

Density

1.045 g/mL at 25 °C(lit.)

Vapor density

3.7 (vs air)

Vapor pressure

13.3 mm Hg ( 100 °C)

Refractive index

n20/D 1.539(lit.)

FEMA

2137 | BENZYL ALCOHOL

Fp

201 °F

Storage temp.

Store at +2°C to +25°C.

Solubility

H2O: 33 mg/mL, clear, colorless

Form

Liquid

Pka

14.36±0.10(Predicted)

Color

APHA: ≤20

Relative polarity

0.608

Odor

Mild, pleasant.

Odor Type

floral

Biological source

synthetic

Explosive limit

1.3-13%(V)

Water Solubility

4.29 g/100 mL (20 ºC)

Merck

14,1124

JECFA Number

25

BRN

878307

Henry's Law Constant

<2.70 x 10-7 at 25 °C (thermodynamic method-GC/UV, Altschuh et al., 1999)

Exposure limits

No exposure limit is set. Because of its low vapor pressure and low toxicity, the health hazard to humans from occupational exposure should be very low.

Dielectric constant

13.1(20℃)

InChIKey

WVDDGKGOMKODPV-UHFFFAOYSA-N

LogP

1.05 at 20℃

Surface tension

39.2mN/m at 293.15K

CAS DataBase Reference

100-51-6(CAS DataBase Reference)

NIST Chemistry Reference

Benzyl alcohol(100-51-6)

EPA Substance Registry System

Benzyl alcohol (100-51-6)


Safety Information

PropertyValue
Hazard symbolsXn, T
Hazard class codes20/22-63-43-36/37/38-23/24/25-45-40
Safety descriptions26-36/37-24/25-23-53
UN dangerous goods numberUN 1593 6.1/PG 3
WGK Germany1
RTECS numberDN3150000
F8-10-23-35
Autoignition temperature817 °F
TSCATSCA listed
HS code29062100
Storage class10 - Combustible liquids
Hazard class (category)Acute toxicity, Category 4, Inhalation
Acute toxicity, Category 4, Oral
Eye irritation, Category 2
Hazardous substances data100-51-6 (Hazardous Substances Data)
ToxicityLD50 orally in rats: 3.1 g/kg (Smyth)


Product Usage

Benzyl alcohol is a versatile aromatic alcohol widely utilized for its solvent, preservative, and anesthetic properties. In the pharmaceutical industry, it is a common bacteriostatic preservative in injectable medications and a topical analgesic in over-the-counter creams for pain and itch relief. Its role in cosmetics and personal care is equally significant, acting as a fragrance component and a preservative in lotions, shampoos, and cleansers. In industrial applications, benzyl alcohol serves as a high-performance solvent for inks, paints, lacquers, and epoxy resin coatings due to its low volatility and low toxicity. Furthermore, it is a critical chemical intermediate in the synthesis of various esters used in the flavor and fragrance industry, as well as in the production of specialized precursors for soaps and detergents.

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