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527-83-3

o-1,5-Menthadiene, also known as 1,5-menthadiene, is a bicyclic monoterpene hydrocarbon found in essential oils, particularly in peppermint oil. It is a colorless liquid with a strong, pungent odor and is characterized by its molecular formula C10H16. This organic compound consists of two fused cyclohexane rings with double bonds at positions 1 and 5, which contribute to its unique chemical properties. o-1,5-Menthadiene is an important intermediate in the synthesis of various menthol derivatives and other fragrance compounds, and it plays a significant role in the flavor and aroma of peppermint products.

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  • 527-83-3 Structure

  • Basic information

    1. Product Name: o-1,5-menthadiene
    2. Synonyms: o-1,5-menthadiene
    3. CAS NO:527-83-3
    4. Molecular Formula:
    5. Molecular Weight: 136.237
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 527-83-3.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: o-1,5-menthadiene(CAS DataBase Reference)
    10. NIST Chemistry Reference: o-1,5-menthadiene(527-83-3)
    11. EPA Substance Registry System: o-1,5-menthadiene(527-83-3)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 527-83-3(Hazardous Substances Data)

527-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 527-83-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,2 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 527-83:
(5*5)+(4*2)+(3*7)+(2*8)+(1*3)=73
73 % 10 = 3
So 527-83-3 is a valid CAS Registry Number.

527-83-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name o-1,5-menthadiene

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:527-83-3 SDS

527-83-3Downstream Products

527-83-3Relevant articles and documents

STUDIES OF COMPOUNDS IN THE MENTHANE SERIES. XIX. SYNTHESIS AND PROPERTIES OF TRANS-o-4-MENTHEN-8-OL AND STEREOISOMERIC o-5-METHEN-8-OLS

Bazyl'chik, V. V.,Fedorov, P. I.,Klyuev, N. A.,Dank, E. Kh.

, p. 1320 - 1327 (2007/10/02)

Trans-o-4-Menthen-8-ol and cis- and trans-o-5-menthen-8-ols have been prepared via the Diels-Alder reactions of 1,3-butadiene with crotonaldehyde in the presence of boron trifluoride etherate, and piperylene with methyl acrylate, respectively.The dehydration reactions of these alcohols have been studied in the presence of acetic anhydride and potassium bisulfate; the latter reagent demonstrates a high reaction selectivity.

STUDIES OF COMPOUNDS IN THE MENTHANE SERIES. XVIII. VAPOR PHASE ISOMERIZATION OF o-1,4-MENTHADIENE IN THE PRESENCE OF DIATOMACEOUS EARTH

Bazyl'chik, V.V.,Fedorov, P.I.,Skakovskii, E.D.,Klyuev, N.A.

, p. 1316 - 1319 (2007/10/02)

Vapor phase isomerization of o-1,4-menthadiene in the presence of diatomaceous earth results in deprotonation of the 1,2 and 4,5 positions to give an equilibrium mixture of o-menthadienes containing both endo- and exocyclic double bonds; the skeletal rearrangement products, 2-isopropyl-3-ethylidene-1-cyclopentene and 4-isopropyl-3-ethylidene-1-cyclopentene, are also formed. o-Menthadienes also undergo dehydrogenation to give o-cumene, and disproportionation to give a mixture of o-cumene and o-menthenes.The dehydrogenation process predominates as the temperature is increased.

INVESTIGATION OF COMPOUNDS IN THE o-MENTHANE SERIES XI. ISOMERIZATION TRANSFORMATIONS OF o-1,4-MENTHADIENES

Bazyl'chik, V. V.,Fedorov, P. I.

, p. 1221 - 1227 (2007/10/02)

Under the conditions of base catalysis under the influence of potassium tert-butoxide in dimethyl sulfoxide and lithium and calcium amides o-1,4-menthadiene forms equilibrium mixtures of o-1,3-menthadiene, o-1,5-menthadiene, and the skeletal rearrangement product 1-isopropyl-5-ethylidenecyclopentene.In the presence of NaX and KX zeolites competing dehydrogenation and disproportionation of the hydrogen occur in o-1,4-menthadiene with the formation of a mixture of o-menthenes and o-cymene.With increase in temperature the dehydration process becomes determining.With acid catalysis the transformation of o-1,4-menthadiene into 1-isopropyl-5-ethylidenecyclopentene and dehydration to o-cymene are the mainpaths.

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