ChemicalBook > CAS DataBase List > 1-Pentanol

1-Pentanol

Product Name
1-Pentanol
CAS No.
71-41-0
Chemical Name
1-Pentanol
Synonyms
AMYL ALCOHOL;PENTAN-1-OL;N-PENTANOL;FUSEL OIL;N-AMYL ALCOHOL;Amylol;PENTYL ALCOHOL;N-PENTYL ALCOHOL;1-Pentano1;Pentanol-1
CBNumber
CB7158872
Molecular Formula
C5H12O
Formula Weight
88.15
MOL File
71-41-0.mol
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1-Pentanol Property

Melting point:
-78 °C (lit.)
Boiling point:
136-138 °C (lit.)
Density 
0.811 g/mL at 25 °C (lit.)
vapor density 
3 (vs air)
vapor pressure 
1 mm Hg ( 13.6 °C)
refractive index 
n20/D 1.409(lit.)
FEMA 
2056 | AMYL ALCOHOL
Flash point:
120 °F
storage temp. 
Store below +30°C.
solubility 
water: soluble22.8g/L at 25°C
form 
Liquid
pka
15.24±0.10(Predicted)
color 
APHA: ≤30
Odor
Pleasant 0.1 ppm
PH Range
7
Relative polarity
0.568
explosive limit
10%, 100°F
Odor Type
fermented
Odor Threshold
0.1ppm
Water Solubility 
22 g/L (22 ºC)
JECFA Number
88
Merck 
14,7118
BRN 
1730975
Dielectric constant
15.8（20℃）
Stability:
Stable. Flammable. Incompatible with strong oxidizing agents.
LogP
1.51
CAS DataBase Reference
71-41-0(CAS DataBase Reference)
NIST Chemistry Reference
1-Pentanol(71-41-0)
EPA Substance Registry System
1-Pentanol (71-41-0)
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Safety

Hazard Codes 
Xn,F,Xi
Risk Statements 
10-20-37-66-37/38
Safety Statements 
46-36/37
RIDADR 
UN 1105 3/PG 3
OEB
A
OEL
TWA: 100.0 ppm; 360.0 mg/m3, STEL: 125.0 ppm; 450.0 mg/m3
WGK Germany 
1
RTECS 
SB9800000
Autoignition Temperature
572 °F
Hazard Note 
Irritant/Flammable
TSCA 
Yes
HS Code 
2905 19 00
HazardClass 
3
PackingGroup 
II
Hazardous Substances Data
71-41-0(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 3670 mg/kg LD50 dermal Rabbit 2306 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H226Flammable liquid and vapour

H315Causes skin irritation

H318Causes serious eye damage

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.07500
Product name
n-Amyl alcohol
Purity
for synthesis
Packaging
100mL
Price
$13.3
Updated
2024/03/01
Sigma-Aldrich
Product number
8.07500
Product name
n-Amyl alcohol
Purity
for synthesis
Packaging
1L
Price
$91.3
Updated
2024/03/01
Sigma-Aldrich
Product number
8.07500
Product name
n-Amyl alcohol
Purity
for synthesis
Packaging
2.5L
Price
$169
Updated
2024/03/01
Sigma-Aldrich
Product number
77597
Product name
1-Pentanol
Purity
analytical standard
Packaging
1mL
Price
$42.5
Updated
2024/03/01
Sigma-Aldrich
Product number
77597
Product name
1-Pentanol
Purity
analytical standard
Packaging
5ml
Price
$171
Updated
2024/03/01
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1-Pentanol Chemical Properties,Usage,Production

Description

1-Pentanol is a monohydroxy alcohol. It is a colorless liquid with a characteristic odor. Its combustion properties have been studied as it shows promising features to be an alternative to gasoline and diesel fuels. The conversion of 1-pentanol to di-n-pentyl ether (DNPE) in liquid phase at 423K in a batch reactor using ion exchange resins as catalysts.

Chemical Properties

1-Pentanol is a clear, colorless liquid at ambient temperatures, it has a characteristic fusel-like sweet and pleasant odor and burning taste. The air odor detection level (lowest perceptible level) was reported as 10 ppm for 1-pentanol.

Occurrence

Reported found in banana, sweet cherry, cranberry, bourbon, vanilla, rice bran and Brazil nut.

Uses

1-Pentanol may be used as a cosurfactant in the water-in-oil mixed surfactant microemulsions.

Uses

Raw material for pharmaceutical preparations;organic synthesis solvent.
1-Pentanol is used as a key starting material in the production of dichloro-acetic acid pentyl ester, 2-methyltetrahydrofuran, di-n-penyl ether (DNPE), pentyl butyrate and amyl acetate. As a solvent, it is used for coating CDs and DVDs. It has been considered to be a replacement for gasoline and diesel fuels due to its combustion properties. Further, it is used as a reagent to prepare derivatives of ferulic acid and caffeic acid, which shows anticancer properties.

Definition

ChEBI: An alkyl alcohol that is pentane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It has been isolated from Melicope ptelefolia.

Production Methods

1-Pentanol is made primarily by the oxo process, which involves the reaction of butenes with carbon monoxide and hydrogen in the presence of a catalyst, followed by hydrogenation. 1-Pentanol is used as a solvent, as a chemical intermediate for esters, and as a food additive and flavoring substance. The primary routes of industrial exposure are by dermal contact and inhalation.

Aroma threshold values

Detection at 1.6 to 70 ppm

Taste threshold values

Taste characteristics at 50 ppm: intense fusel, fermented, bready and cereal with a fruity undertone

Air & Water Reactions

1-Pentanol is highly flammable. Soluble in water.

Reactivity Profile

Moderately toxic, flammable if exposed to powerful oxidizers. Incompatible with oxidizing materials, hydrogen trisulfide [Sax, 9th ed., 1996, p. 224].

Hazard

Lower explosive level in air 1.2% by volume. Moderate fire risk.

Health Hazard

Irritation of skin, eyes, and respiratory tract; headache and vertigo; dyspnea and cough; nausea, vomiting, and diarrhea. Double vision, deafness, delirium, and occasionally fatal poisoning, preceded by severe nervous symptoms, have been reported. Coma, glycosuria, and methemoglobinemia can occur.

Fire Hazard

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Safety Profile

1-Pentanol is moderately toxic by ingestion and skin contact. An eye and upper respiratory irritant by inhalation. A severe skin and eye irritant. Ingestion can cause headache, nausea, vomiting, delirium, and methemoglobin formation. Mutation data reported. Extremely flammable if exposed to heat, flame, or powerful oxiduers. Moderately explosive when exposed to flame. Incompatible with oxidzing materials, hydrogen trisulfide. To fight fire, use alcohol foam, dry chemical.

Potential Exposure

(n-isomer); Suspected reprotoxic hazard, Primary irritant (w/o allergic reaction), (iso-, primary): Possible risk of forming tumors, Primary irritant (w/o allergic reaction), (sec-, active primary-, and other isomers) Primary irritant (w/o allergic reaction). Used as a solvent in organic synthesis and synthetic flavoring, pharmaceuticals, corrosion inhibitors; making plastics and other chemicals; as a flotation agent. The (n-isomer) is used in preparation of oil additives, plasticizers, synthetic lubricants, and as a solvent.

First aid

Skin contact contributes significantly to overallexposure. If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.

storage

Color Code—Red: Flammability Hazard: Store ina flammable liquid storage area or approved cabinet awayfrom ignition sources and corrosive and reactive materials.Prior to working with this chemical you should be trained onits proper handling and storage. Before entering confinedspace where amyl alcohols may be present, check to makesure that an explosive concentration does not exist. Store intightly closed containers in a cool, well-ventilated area awayfrom strong oxidizers; strong acids and hydrogen trifluoride;since violent reactions occur. Metal containers involving thetransfer of this chemical should be grounded and bonded.Where possible, automatically pump liquid from drums orother storage containers to process containers. Drums mustbe equipped with self-closing valves, pressure vacuumbungs; and flame arresters. Use only nonsparking tools andequipment, especially when opening and closing containersof this chemical. Sources of ignition, such as smoking andopen flames, are prohibited where this chemical is used,handled, or stored in a manner that could create a potentialfire or explosion hazard.

Shipping

UN2811 Pentanols, Hazard Class: 3; Labels: 3- Flammable liquid. UN1987 Alcohols, n.o.s., Hazard Class: 3; Labels: 3-Flammable liquid.

Purification Methods

Dry 1-pentanol with anhydrous K2CO3 or CaSO4, filter and fractionally distil it. It has also been treated with 1-2% of sodium and heated at reflux for 15hours to remove water and chlorides. Traces of water can be removed from the near-dry alcohol by refluxing it with a small amount of sodium in the presence of 2-3% n-amyl phthalate or succinate followed by distillation (see ethanol). Small amounts of amyl alcohol have been purified by esterifying with p-hydroxybenzoic acid, recrystallising the ester from CS2, saponifying with ethanolic-KOH, drying with CaSO4 and fractionally distilling [Olivier Recl Trav Chim Pays-Bas 55 1027 1936]. [Beilstein 1 IV 1640.]

Toxicity evaluation

Moderately toxic by ingestion. Vapors may irritate skin and eyes.

Incompatibilities

Forms an explosive mixture with air. Contact with strong oxidizers and hydrogen trisulfide may cause fire and explosions. Incompatible with strong acids. Violent reaction with alkaline earth metals forming hydrogen, a flammable gas.

Waste Disposal

Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.

1-Pentanol Preparation Products And Raw materials

Raw materials

Anhydrous hydrogen chloride Amalgam sodium dilute sulphuric acid Valeric acid VALERENIC ACID Carbon monoxide and hydrogen mixtures Pentane Sodium oleate Hydrogen Metal cobalt Valeraldehyde Cobalt carbonyl

Preparation Products

1-(2-PYRROLIDINOETHYL)PIPERAZINE Pentyl nitrite Benzoguanamine Valeric acid Vanillic acid 4-CHLORO-1,3-DIMETHYLPYRAZOLO[3,4-B]PYRIDINE-5-CARBOXYLIC ACID Maleic anhydride Butyric Acid 1,3-Dimethyl-1H-pyrazol-5-amine DI-N-PENTYL PHTHALATE-D4 AMYL FORMATE 1-Bromopentane 1-Iodopentane Amyl acetate 1-(2-PYRAZINYL)-PIPERAZINE PENTYL ETHER FEMA 2079 5-Bromo-1,3-dimethyl-1H-pyrazole 6-N-BUTOXYPURINE AMYL BUTYRATE 1H-Pyrazolo[3,4-b]pyridine-3-carboxylicacid(9CI) 3-Amino-5-methylpyrazole Valeraldehyde 5-ISOTHIOCYANATO-1,3-DIMETHYL-1H-PYRAZOLE Potassium Amylxanthate
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View Lastest Price from 1-Pentanol manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
Pentanol 71-41-0
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-01
Hebei Chuanghai Biotechnology Co,.LTD
Product
1-Pentanol 71-41-0
Price
US $9.50/KG
Min. Order
1KG
Purity
99%
Supply Ability
100ton
Release date
2024-08-23
Hebei Mojin Biotechnology Co., Ltd
Product
1-Pentanol 71-41-0
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-06-20

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