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2-Pentyl-3-methyl-2-cyclopenten-1-one

2-Pentyl-3-methyl-2-cyclopenten-1-one Suppliers list
Company Name: career henan chemical co
Tel: +86-371-86658258
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Products Intro: Product Name: 2-Pentyl-3-methyl-2-cyclopenten-1-one
CAS:1128-08-1
Purity:99% Package:1g;7USD
Company Name: Hubei Jusheng Technology Co.,Ltd.
Tel: 86-18871470254
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Products Intro: Product Name:2-Pentyl-3-methyl-2-cyclopenten-1-one
CAS:1128-08-1
Purity:0.99 Package:5KG;1KG
Company Name: HENAN BON INDUSTRIAL CO.,LTD
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Products Intro: CAS:1128-08-1
Purity:0.99 Package:25KG;5KG;1KG;500G
Company Name: CONIER CHEM AND PHARMA LIMITED
Tel: 86-18523575427
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Products Intro: Product Name:dihydrojasmone
CAS:1128-08-1
Purity:0.99 Package:1kg
Company Name: Shaanxi Dideu Medichem Co. Ltd
Tel: +86-15319487004
Email: 1015@dideu.com
Products Intro: Product Name:Dihydrojasmone
CAS:1128-08-1
Purity:99.0%+ Package:100g;USD|1KG;USD|20KG;USD|25KG;USD

Lastest Price from 2-Pentyl-3-methyl-2-cyclopenten-1-one manufacturers

  • Dihydrojasmone
  • US $0.00-0.00 / KG
  • 2020-02-26
  • CAS: 1128-08-1
  • Min. Order: 100g
  • Purity: 99.0%+
  • Supply Ability: 100 tons
2-Pentyl-3-methyl-2-cyclopenten-1-one Basic information
Product Name:2-Pentyl-3-methyl-2-cyclopenten-1-one
Synonyms:3-methyl-2-pentylcyclopent-2-enone;3-Methyl-2-(2-penten-1-yl)-2-cyclopentene;DIHYDROJASMONE 98+%;DIHYDROJASMONE, TERPENE STANDARD;3-methyl-2-n-pentylcyclopent-2-en-1-one;DIHYDROJASMONE(RG);3-METHYL-2-(N-PENTANYL)-2-CYCLOPENTENE-1-ONE;3-Methyl-2-pentylcyclopent-2-enon
CAS:1128-08-1
MF:C11H18O
MW:166.26
EINECS:214-434-5
Product Categories:
Mol File:1128-08-1.mol
2-Pentyl-3-methyl-2-cyclopenten-1-one Structure
2-Pentyl-3-methyl-2-cyclopenten-1-one Chemical Properties
Boiling point 120-121 °C12 mm Hg(lit.)
density 0.916 g/mL at 25 °C(lit.)
FEMA 3763 | 3-METHYL-2-(N-PENTANYL)-2-CYCLOPENTEN-1-ONE
refractive index n20/D 1.479(lit.)
Fp 230 °F
Specific Gravity0.914~0.916 (20/4℃)
color A colourless, slightly oily liquid with a floral-like odour
JECFA Number1406
BRN 1906471
CAS DataBase Reference1128-08-1(CAS DataBase Reference)
NIST Chemistry ReferenceDihydrojasmone(1128-08-1)
EPA Substance Registry System2-Cyclopenten-1-one, 3-methyl-2-pentyl- (1128-08-1)
Safety Information
WGK Germany 2
RTECS GY7302000
TSCA Yes
HS Code 29142990
toxicityThe acute oral LD50 in rats was reported as 2.5 g/kg (1.79-3.50 g/kg) (Keating, 1972). The acute dermal LD50 value in rabbits was reported as 5 g/kg (Keating, 1972).
MSDS Information
ProviderLanguage
2-Pentyl-3-methyl-2-cyclopenten-1-one English
SigmaAldrich English
ALFA English
2-Pentyl-3-methyl-2-cyclopenten-1-one Usage And Synthesis
Chemical Properties2-Pentyl-3-methyl-2-cyclopenten-1-one is a colorless, slightly viscous liquid with a typical jasmine odor, resembling that of the naturally occurring (Z)-jasmone. Dihydrojasmone is produced by an acid-catalyzed rearrangement of 4-methyl-??-decalactone, which is readily obtained by radical addition of 2-octanol to acrylic acid.
Dihydrojasmone is used in perfumery in jasmine bases and, more generally, in floral and fruity fragrances.
Chemical Properties3-Methyl-2-(n-pentanyl)-2-cyclopenten-1-one has a fresh, fruity, jasmine odor with woody and herbal nuances.
OccurrenceHas apparently not been reported to occur in nature.
PreparationHexyl bromide plus levulinic ester yields a lactone, which is reacted with polyphosphoric acid or phosphorus pentoxide to produce hydrojasmone.
Taste threshold valuesTaste characteristics at 10 ppm: sweet, floral, green, herbal with a citrus nuance.
2-Pentyl-3-methyl-2-cyclopenten-1-one Preparation Products And Raw materials
Raw materials6-Benzylaminopurine-->Jasmone-->n-Hendecane
Tag:2-Pentyl-3-methyl-2-cyclopenten-1-one(1128-08-1) Related Product Information
DIHYDROJASMONE LACTONE DIHYDROJASMONE Methyl dihydrojasmonate 2-BUTYL-3-METHYLCYCLOPENT-2-EN-1-ONE 2-METHYL-2-CYCLOPENTEN-1-ONE 2-Pentyl-3-methyl-2-cyclopenten-1-one 2-Cyclopentenone 2,3-DIMETHYL-2-HEPTENE 2,3-DIMETHYL-2-OCTENE 2,3-DIMETHYL-2-CYCLOPENTEN-1-ONE di-Calciphor 1,2-DIMETHYLCYCLOPENTENE 1-ETHYL-1-CYCLOPENTENE 1-ETHYL-2-METHYLCYCLOPENTENE 1-Methylcyclopentene 1-BUTYLCYCLOPENTENE 3-Methyl-2-cyclopenten-1-one PROSTAGLANDIN B1