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Phenethyl alcohol

CAS No.
60-12-8
Chemical Name:
Phenethyl alcohol
Synonyms
2-PHENYLETHANOL;PHENYL ETHYL ALCOHOL;BENZENEETHANOL;2-PHENYLETHYL ALCOHOL;PHENYL ETHANOL;2-Phenethanol;2-Phenethyl Alcohol;Phenethanol;BENZYL CARBINOL;2-PEA
CBNumber:
CB5145283
Molecular Formula:
C8H10O
Molecular Weight:
122.16
MDL Number:
MFCD00002886
MOL File:
60-12-8.mol
MSDS File:
SDS
Last updated:2023-12-06 17:20:55

Phenethyl alcohol Properties

Melting point -27 °C (lit.)
Boiling point 219-221 °C/750 mmHg (lit.)
Density 1.020 g/mL at 20 °C (lit.)
vapor density 4.21 (vs air)
vapor pressure 1 mm Hg ( 58 °C)
refractive index n20/D 1.5317(lit.)
FEMA 2858 | PHENETHYL ALCOHOL
Flash point 216 °F
storage temp. Store below +30°C.
solubility Miscible with chloroform.
pka 15.17±0.10(Predicted)
form Liquid
color Clear colorless
Odor floral odor of roses
PH 6-7 (20g/l, H2O, 20℃)
explosive limit 1.4-11.9%(V)
Odor Type floral
Water Solubility 20 g/L (20 ºC)
Merck 14,7224
JECFA Number 987
BRN 1905732
Dielectric constant 13.0(20℃)
Stability Stable. Substances to be avoided include strong acids and strong oxidizing agents. Combustible.
InChIKey WRMNZCZEMHIOCP-UHFFFAOYSA-N
LogP 1.50
Substances Added to Food (formerly EAFUS) PHENETHYL ALCOHOL
CAS DataBase Reference 60-12-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII ML9LGA7468
NIST Chemistry Reference Benzeneethanol(60-12-8)
EPA Substance Registry System Benzeneethanol (60-12-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H319
Precautionary statements  P264-P270-P280-P301+P312-P305+P351+P338-P337+P313
Hazard Codes  Xn
Risk Statements  21/22-36/38-36-22
Safety Statements  26-28-36/37-36/37/39
RIDADR  2810
WGK Germany  1
RTECS  SG7175000
Autoignition Temperature 410 °C
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29062990
Toxicity LD50 orally in rats: 1790 mg/kg (Jenner)
NFPA 704
1
0

Phenethyl alcohol price More Price(62)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich W285811 Phenethyl alcohol natural, ≥99%, FCC, FG 60-12-8 25g $88.7 2024-03-01 Buy
Sigma-Aldrich W285811 Phenethyl alcohol natural, ≥99%, FCC, FG 60-12-8 100g $258 2024-03-01 Buy
Sigma-Aldrich W285811 Phenethyl alcohol natural, ≥99%, FCC, FG 60-12-8 1kg $1550 2024-03-01 Buy
Sigma-Aldrich W285803 Phenethyl alcohol ≥99%, FCC, FG 60-12-8 1kg $76.5 2024-03-01 Buy
Sigma-Aldrich W285803 Phenethyl alcohol ≥99%, FCC, FG 60-12-8 10Kg $277 2024-03-01 Buy
Product number Packaging Price Buy
W285811 25g $88.7 Buy
W285811 100g $258 Buy
W285811 1kg $1550 Buy
W285803 1kg $76.5 Buy
W285803 10Kg $277 Buy

Phenethyl alcohol Chemical Properties,Uses,Production

Edible spices

Phenethyl alcohol is a kind of edible spices, and naturally exists in neroli, rose oil, geranium oil and other oils, because it has a soft, pleasant and persistent rose fragrance and is widely used in various kinds of flavors and cigarette flavor. It is dispensing rose scent, food additives, the main raw material for rose scent flavor, stable on alkali, which are widely used in soap fragrance, is essence blending all rose scent series of spices, because it does not dissolve in water, it is often used in the making up water, soap and orange flower, purple, etc. It is also used in the blending of flavor. Because the Phenethyl alcohol has a good antibacterial efficiency, it can be used in the ophthalmic solution. At present there are main three synthesis methods as following:
1, by styrene via halogenation, saponification, hydrogenation, distillation.
2, and microorganism fermentation in yeast by bioconversion.
3, calcium carbide, benzene as raw material preparation of benzyl ethanol, reaction equations are as follows:
1)CaC2+2H2O=Ca(OH)2+C2H2
2)C6H6+C2H2=C6H6CHCH2(Styrene)
3)C6H6CHCH2+H2O=C6H6CH2CH2OH(Phenylethyl alcohol)

Chemical Properties

Phenethyl alcohol is a clear, colorless liquid with an odor of rose oil. It has a burning taste that irritates and then anesthetizes mucous membranes.
Phenylethyl alcohol
Phenethyl Alcohol (PEA) is an aromatic alcohol that is used as a fragrance and an antimicrobial preservative in cosmetic formulations. It is active at pH 6 or less and is inactivated by nonionic detergents including polysorbate-80. PEA is also a widely used fragrance material that imparts a rose character to perfume compositions. Almost all rose fragrances and other floral-type perfumes contain PEA, and PEA is used extensively for many other fragrance applications because it blends ell.
PEA is metabolized to phenylacetic acid in mammals. In humans, it is excreted in urine as the conjugate phenylacetylglutamine.

Uses

Phenylethyl alcohol is qualitatively and quantitatively one of the most important fragrance substances that belongs to the class of araliphatic alcohols.
Phenylethyl alcohol is used frequently and in large amounts as a fragrance material. It is a popular component in rose-type compositions, but it is also used in other blossom notes. It is stable to alkali and, therefore, ideally suited for use in soap perfumes.

Production

Many syntheticmethods are known for preparing phenylethyl alcohol; the following are currently of industrial importance:
1) Friedel–Crafts reaction of benzene and ethylene oxide: In the presence of molar quantities of aluminum chloride, ethylene oxide reacts with benzene to give an addition product, which is hydrolyzed to phenylethyl alcohol:
Friedel–Crafts reaction of benzene and ethylene oxide
Formation of by-products, such as 1,2-diphenylethane, is largely avoided by using an excess of benzene at low temperature. Special purification procedures are required to obtain a pure product that is free of chlorine and suitable for use in perfumery.
2) Hydrogenation of styrene oxide: Excellent yields of phenylethyl alcohol are obtainedwhen styrene oxide is hydrogenated at low temperature, using Raney nickel as a catalyst and a small amount of sodium hydroxide.
Hydrogenation of styrene oxide

Chemical Properties

Phenethyl alcohol has a characteristic rose-like odor and an initially slightly bitter taste, then sweet and reminiscent of peach.

Chemical Properties

Phenethyl alcohol is the main component of rose oils obtained from rose blossoms. It occurs in smaller quantities in neroli oil, ylang-ylang oil, carnation oil, and geranium oils. Since the alcohol is rather soluble in water, losses occur when essential oils are produced by steam distillation.
Phenylethyl alcohol is a colorless liquid with a mild rose odor. It can be dehydrogenated catalytically to phenylacetaldehyde and oxidized to phenylacetic acid (e.g.,with chromic acid). Its fatty acid esterswith lowermolecularmass, as well as some alkyl ethers, are valuable fragrance and flavor substances.

Occurrence

Reported found (as is or esterified) in several natural products: rose concentrate, rose absolute (60% or more) and rose distillation waters; also found in the essential oils of neroli, ylang-ylang, narcissus, hyacinth, lily, tea leaves, Michelia champaca, Pandamus odoratissimus, Congo and Réunion geranium, tobacco and other oils. It has been identified in wines. It has also been reported found in over 200 foods and beverages including apple, apricot, orange juice, orange peel, many berries, bilberry, cherry, grapefruit, peach, raisin, blackberry, guava, grapes, melon, papaya, asparagus, cabbage, leek, potato, rutabaga, tomato, Mentha oils, cinnamon, ginger, breads, butter, saffron, mustard, mango, many cheeses, butter, milk, cooked chicken, cognac, hop oil, beer, rum, whiskies, cider, sherry, cocoa, coffee, tea, nuts, oats, honey, soybean, coconut meat, avocado, olive, passion fruit, plum, beans, mushroom, starfruit, mango, tamarind, fruit brandies, fig, gin, rice, quince, radish, litchi, sukiyaki, calamus, licorice, buckwheat, watercress, elderberry fruit, kiwifruit, loquat, Tahiti and Bourbon vanilla, mountain papaya, endive, lemon balm, clary sage, shrimps, crab, Chinese quince, lamb’s lettuce, truffle and maté.

Uses

phenethyl alcohol is used to mask odor and also as a preservative.

Uses

In fragrance; antimicrobial agent; in organic synthesis; preservative, food additive

Uses

Pharmaceutic aid (antimicrobial). In flavors and perfumery (esp rose perfumes).

Definition

ChEBI: 2-phenylethanol is a primary alcohol that is ethanol substituted by a phenyl group at position 2. It has a role as a fragrance, a Saccharomyces cerevisiae metabolite, a plant metabolite, an Aspergillus metabolite and a plant growth retardant. It is a primary alcohol and a member of benzenes.

Preparation

From toluene, benzene or styrene.

Production Methods

Phenylethyl alcohol is prepared by reduction of ethyl phenylacetate with sodium in absolute alcohol; by hydrogenation of phenylacetaldehyde in the presence of a nickel catalyst; or by addition of ethylene oxide or ethylene chlorohydrin to phenylmagnesium bromide, followed by hydrolysis. Phenylethyl alcohol also occurs naturally in a number of essential oils, especially rose oil.

Aroma threshold values

Detection: 0.015 ppb to 3.5 ppm; recognition: 1.2 ppm. Aroma characteristics at 1.0%: floral honey, yeasty bready, musty fresh and sweet.

Taste threshold values

Taste characteristics at 20 ppm: mushroom-like, rose floral, sweet, rosy, bready with honey nuances.

Synthesis Reference(s)

Chemistry Letters, 18, p. 619, 1989
Journal of the American Chemical Society, 100, p. 4888, 1978 DOI: 10.1021/ja00483a042
Tetrahedron Letters, 18, p. 3263, 1977 DOI: 10.1016/S0040-4039(01)83213-5

General Description

Phenylethyl alcohol, is a primary aromatic alcohol of high boiling point, having a characteristic rose-like odor. It presents organoleptic properties and impacts the quality of the wine, distilled beverages, and fermented foods. It shows its presence in fresh beer and is responsible for the rose-like odor of well-ripened cheese. It is commercially and industrially an important flavor and is a component of a variety of foodstuffs such as ice cream, gelatin, candy, pudding, chewing gum, and non-alcoholic beverages. It is formed by yeasts during fermentation of alcohols either by decomposition of L-phenylalanine or metabolism of sugar substrates.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Health Hazard

Phenylethanol is an irritant of the eyes and a teratogen in rats.

Pharmaceutical Applications

Phenylethyl alcohol is used as an antimicrobial preservative in nasal, ophthalmic, and otic formulations at 0.25–0.5% v/v concentration; it is generally used in combination with other preservatives.Phenylethyl alcohol has also been used on its own as an antimicrobial preservative at concentrations up to 1% v/v in topical preparations. At this concentration, mycoplasmas are inactivated within 20 minutes, although enveloped viruses are resistant.Phenylethyl alcohol is also used in flavors and as a perfumery component, especially in rose perfumes.

Safety Profile

Moderately toxic by ingestion and skin contact. A skin and eye irritant. Experimental teratogenic effects. Other experimental reproductive effects. Causes severe central nervous system injury to experimental animals. Mutation data reported. Combustible when exposed to heat or flame; can react with oxidzing materials. To fight fEe, use CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes

Safety

Phenylethyl alcohol is generally regarded as a nontoxic and nonirritant material. However, at the concentration used to preserve eye-drops (about 0.5% v/v) or above, eye irritation may occur.
LD50 (rabbit, skin): 0.79 g/kg
LD50 (rat, oral): 1.79 g/kg

Carcinogenicity

Phenylethanol was not mutagenic in bacterial assays, nor did it increase the number of sister chromatid exchanges in human lymphocytes.

Metabolism

Phenylethyl alcohol is oxidized almost entirely to the corresponding acid (Williams. 1959).

storage

Phenylethyl alcohol is stable in bulk, but is volatile and sensitive to light and oxidizing agents. It is reasonably stable in both acidic and alkaline solutions. Aqueous solutions may be sterilized by autoclaving. If stored in low-density polyethylene containers, phenylethyl alcohol may be absorbed by the containers. Losses to polypropylene containers have been reported to be insignificant over 12 weeks at 30°C. Sorption to rubber closures is generally small.
The bulk material should be stored in a well-closed container, protected from light, in a cool, dry place.

Purification Methods

Purify the ethanol by shaking it with a solution of ferrous sulfate, and the alcohol layer is washed with distilled water and fractionally distilled. [Beilstein 6 IV 3067.]

Incompatibilities

Incompatible with oxidizing agents and protein, e.g. serum. Phenylethyl alcohol is partially inactivated by polysorbates, although this is not as great as the reduction in antimicrobial activity that occurs with parabens and polysorbates.

Regulatory Status

Included in the FDA Inactive Ingredients Database (nasal, ophthalmic, and otic preparations). Included in nonparenteral medicines licensed in the UK. Included in the Canadian List of Acceptable Non-medicinal Ingredients.

98-86-2
60-12-8
Synthesis of Phenethyl alcohol from Acetophenone
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View Lastest Price from Phenethyl alcohol manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Phenethyl alcohol pictures 2024-03-19 Phenethyl alcohol
60-12-8
US $62.00 / kg 50kg 99% 100Tons Hebei Dangtong Import and export Co LTD
Phenethyl Alcohol pictures 2024-03-19 Phenethyl Alcohol
60-12-8
US $15.00 / KG 100KG 99 1000kg Hebei Yime New Material Technology Co., Ltd.
Phenethyl alcohol pictures 2023-12-06 Phenethyl alcohol
60-12-8
US $5.28 / kg 1kg 99% 10000kg Wuhan Han Sheng New Material Technology Co.,Ltd
  • Phenethyl Alcohol pictures
  • Phenethyl Alcohol
    60-12-8
  • US $15.00 / KG
  • 99
  • Hebei Yime New Material Technology Co., Ltd.
  • Phenethyl alcohol pictures
  • Phenethyl alcohol
    60-12-8
  • US $5.28 / kg
  • 99%
  • Wuhan Han Sheng New Material Technology Co.,Ltd
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