Valeraldehyde

Product Name: Valeraldehyde
CAS No.: 110-62-3
Chemical Name: Valeraldehyde
Synonyms: PENTANAL;N-VALERALDEHYDE;1-pentanal;N-PENTANAL;AMYLALDEHYDE;Valeraldehyd;Valerianic aldehyde;Pentanal (valeraldehyde);Valeral;n-C4H9CHO
CBNumber: CB9210837
Molecular Formula: C5H10O
Formula Weight: 86.13
MOL File: 110-62-3.mol

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Valeraldehyde Property

Melting point:: -92 °C
Boiling point:: 103 °C
Density: 0.81 g/mL at 25 °C(lit.)
vapor pressure: 36 hPa (20 °C)
refractive index: n20/D 1.394(lit.)
FEMA: 3098 | VALERALDEHYDE
Flash point:: 54 °F
storage temp.: Store at +2°C to +8°C.
solubility: soluble in ethyl alcohol, ethyl ether, and other common organic solvents.
color: Colorless to Light yellow
Odor: at 1.00 % in dipropylene glycol. fermented bready fruity nutty berry
Odor Type: fermented
Odor Threshold: 0.00041ppm
explosive limit: 1.7-6.8%(V)
Water Solubility: 14 g/L (20 ºC)
Sensitive: Air Sensitive
Merck: 14,9902
JECFA Number: 89
BRN: 1616304
Exposure limits: TLV-TWA 175 mg/m³ (50 ppm) (ACGIH and OSHA).
Dielectric constant: 10.1
Dielectric constant: 13.9（Ambient）
Stability:: Stable. Highly flammable. Incompatible with strong oxidizing agents, acids, strong alkalies, strong reducing agents.
LogP: 1.5 at 25℃ and pH7
CAS DataBase Reference: 110-62-3(CAS DataBase Reference)
NIST Chemistry Reference: Pentanal(110-62-3)
EPA Substance Registry System: Pentanal (110-62-3)

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Safety

Hazard Codes: F,Xi
Risk Statements: 11-38-41-36/37/38
Safety Statements: 16-26-33-39-37/39
OEB: A
OEL: TWA: 50 ppm (175 mg/m3) (Aldehydes)
RIDADR: UN 2058 3/PG 2
WGK Germany: 1
RTECS: YV3600000
F: 10-23
Autoignition Temperature: 428 °F
Hazard Note: Irritant/Flammable/Air Sensitive
TSCA: Yes
HazardClass: 3
PackingGroup: II
HS Code: 29121900
Hazardous Substances Data: 110-62-3(Hazardous Substances Data)
Toxicity: LD50 orally in rats: 5.66 ml/kg (Smyth)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H317May cause an allergic skin reaction

H319Causes serious eye irritation

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: W309818
Product name: Valeraldehyde
Purity: ≥97%, FG
Packaging: 1kg
Price: $78.7
Updated: 2024/03/01

Sigma-Aldrich

Product number: W309818
Product name: Valeraldehyde
Purity: ≥97%, FG
Packaging: 4kg
Price: $299
Updated: 2024/03/01

Sigma-Aldrich

Product number: W309818
Product name: Valeraldehyde
Purity: ≥97%, FG
Packaging: 8kg
Price: $463
Updated: 2024/03/01

Sigma-Aldrich

Product number: W309818
Product name: Valeraldehyde
Purity: ≥97%, FG
Packaging: 20kg
Price: $1050
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.08504
Product name: Pentanal
Purity: for synthesis
Packaging: 100mL
Price: $38.7
Updated: 2024/03/01

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Valeraldehyde Chemical Properties,Usage,Production

Description

Valeraldehyde is one of the key volatile flavor compounds identified in cooked rice, beef fish meat and uncured ham. Its smell is described as fermented, bready, fruity, nutty, berry.It is an alkyl aldehyde used in flavoring Compounds, resin chemistry, rubber accelerators.

Chemical Properties

Valeraldehyde is a colorless flammable liquid with a strong acrid, pungent odor. At low levels, the taste is warm, slightly fruity and nut-like.The odor threshold is 0.028 ppm. Slightly soluble in water; soluble in alcohol and ether.

Occurrence

Valeraldehyde is naturally occurring (e.g., plant volatile). Reported found among the constituents of several essential oils: Brazilian sassafras, Bulgarian rose, Bulgarian clary sage and others. Also in the distillates from leaves of various Eucalyptus species: E. cinereea, E. globulus, E. dives, E. maideni and E. hemilampra. Also reported found in fresh apple, banana, sweet cherry, black currant berries, fresh blackberry, Bantu beer, plum brandy, cardamom, coriander leaf, unprocessed rice, Bourbon vanilla, cooked shrimp, scallop, hog plum and clary sage.

Uses

Valeraldehyde is mainly used for hydrogenation to Isoamyl alcohol and oxidation to valeric acid. It can also be used as a raw material for fragrances, resin chemistry, and rubber accelerators.

Application

Valeraldehyde is used as a gaseous standard in the study of the sorptive loss pattern for volatile compounds.
Valeraldehyde has been used to study its time-weighted average sampling using solid-phase microextraction (SPME) device.
Valeraldehyde is used in flavoring compounds and as a rubber accelerator.
Valeraldehyde is also used extensively as a natural and synthetic flavoring agent. It is used as a top note for flavor to give identity (fruity, nutty) on first impression and is a component of rose oil used to flavor foods, beverages and chewing tobacco (Furia, 1972; Rogers, 1981; NLM, 1996).
Valeraldehyde is mainly used as a chemical intermediate. As a starting material in industrial organic synthesis, it is hydrogenated to 1-pentanol, oxidized to valeric acid, and aminated to 1-aminopentane (Falbe et al., 1985; NLM, 1996).

Preparation

Valeraldehyde can be prepared by oxidation of the corresponding alcohol, 1-pentanol or by reduction of n-valeric acid (Opdyke, 1979; Lewis, 1993). Valeraldehyde is one of a number of aliphatic aldehydes industrially prepared by the oxo process, which involves the reaction of olefins with carbon monoxide and hydrogen in the presence of a catalyst. Use of a cobalt carbonyl complex as catalyst required high pressure in an older process, which has been largely replaced by a low-pressure process based on rhodium complex catalysts, such as a tris (alkyldiarylphosphine) rhodium carbonyl hydride.

Definition

ChEBI: Valeraldehyde is a saturated fatty aldehyde composed from five carbons in a straight chain. It has a role as a plant metabolite.

Aroma threshold values

Detection: 12 to 100 ppb

Taste threshold values

Taste characteristics at 25 ppm: winey, fermented, bready and cocoa chocolate notes.

General Description

A colorless liquid. Slightly soluble in water and less dense than water. Flash point 54°F. Vapors heavier than air. Used to make artificial flavorings and rubber.

Air & Water Reactions

Highly flammable. Slightly soluble in water. Valeraldehyde may be sensitive to prolonged exposure to air.

Reactivity Profile

Valeraldehyde is an aldehyde. Aldehydes are frequently involved in self-condensation or polymerization reactions. These reactions are exothermic; they are often catalyzed by acid. Aldehydes are readily oxidized to give carboxylic acids. Flammable and/or toxic gases are generated by the combination of aldehydes with azo, diazo compounds, dithiocarbamates, nitrides, and strong reducing agents. Aldehydes can react with air to give first peroxo acids, and ultimately carboxylic acids. These autoxidation reactions are activated by light, catalyzed by salts of transition metals, and are autocatalytic (catalyzed by the products of the reaction). The addition of stabilizers (antioxidants) to shipments of aldehydes retards autoxidation. Valeraldehyde is incompatible with oxidizing agents, strong bases and strong reducing agents.

Health Hazard

n-Valeraldehyde is a moderate skin andeye irritant. At a high concentration theirritation may be severe; 100 mg/day wasseverely irritating on rabbits’ eyes. Pure liquidcaused severe irritation to guinea pigskin. The systemic toxicity of valeraldehydeis very low.
LD50 value, skin (rabbits): 4857 mg/kg
LD50 value, oral (rats): 3200 mg/kg
Inhalation toxicity is very low. Exposure to4000 ppm for air was lethal to rats.

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

Moderately toxic by ingestion. Mddly toxic by inhalation and s h contact. A severe eye and skin irritant. A very dangerous fire hazard when exposed to heat or flame. %%en heated to decomposition it emits acrid smoke and irritating fumes. See also ALDEHYDES.

Potential Exposure

Valeraldehyde is used in food flavorings; in resin chemistry. It is also used in the acceleration of rubber vulcanization.

Carcinogenicity

n-Valeraldehyde caused chromosomal and DNA effects in mammalian cells in culture but was not mutagenic in an Ames bacterial test.

Shipping

UN2058 Valeraldehyde, Hazard Class: 3; Labels: 3-Flammable liquid.

Purification Methods

Purify pentanal via the bisulfite derivative (see 2-butanone above for the preparation and decomposition of the bisulfite derivative). [Birrell & Trotman-Dickinson J Chem Soc 2059 1960, Beilstein 1 H 676, 1 IV 3268.] The 2,4-dinitrophenylhydrazone [2057-84-3] M 266.3 has m 103-105o (from EtOH). [Beilstein 15 III/IV 429.]

Incompatibilities

Vapor may form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, caustics, amines.

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.

Valeraldehyde Preparation Products And Raw materials

Raw materials

Valeric acid 1-Pentanol

Preparation Products

(2-BUTYL-5-CHLORO-1H-IMIDAZOL-4-YL)METHANOL 2-Butyl-5-hydroxymethylimidazole 1-Pentanol PENTYL ETHER Methyl dihydrojasmonate

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View Lastest Price from Valeraldehyde manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: Valeraldehyde 110-62-3
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-11-19

Hebei Chuanghai Biotechnology Co,.LTD

Product: Valeraldehyde 110-62-3
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99.%
Supply Ability: 10 ton
Release date: 2024-08-05

Wuhan Boyuan Import & Export Co., LTD

Product: Valeraldehyde CAS NO. 110-62-3 110-62-3
Price: US $1.00/G
Min. Order: 100G
Purity: 99.9%
Supply Ability: 50000 tons
Release date: 2018-11-02

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110-62-3

C5H10O1