Zhishang Chemical

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Zhishang Chemical

(+)-Dipentene CAS 5989-27-5

Molecular Formula: C10H16

Formula Weight: 136.23

ZSpharmac: (+)-Dipentene Supplier

Product Name: (+)-Dipentene
CAS No: 5989-27-5
Purity: 99%

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Basic Info

Product Name:D-Dipentene
Other Names:Diethanolamine
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Colorless to Almost Colorless Neat
EINECS No.:227-813-5
Storage:Store Below +30°C.
Provide:(+)-Dipentene MSDS;
(+)-Dipentene COA

What is (+)-Dipentene?

(+)-Dipentene is a monoterpenoid compound, an anemic oily fluid with a lemon-like scent. With great antitussive, expectorant, as well as antibacterial impacts, compound limonene can be made use of medically to advertise choleresis, liquify stones, advertise secretion of digestive system juice, as well as get rid of digestive gas. In addition, it widely exists in all-natural plant vital oils. Including L-body with pepper mint oil and even more. Consisting of racemates are neroli oil, cedar oil and also camphor white oil, and so on.

Under the influence of air and moisture, (+)-Dipentene can be oxidized into carverine ketone and carverine terpene alcohol by itself, resulting in deterioration. The boiling point is 177°C, and the flash point is 46°C.

(+)-Dipentene Property

Melting point 


Boiling point 

176-177 °C(lit.)


112o (10% IN ETHANOL)


0.842 g/mL at 20 °C(lit.)

vapor density 

4.7 (vs air)

vapor pressure 

1 mm Hg ( 20 °C)

refractive index 

n20/D 1.473(lit.)


119 °F

storage temp. 

Store below +30°C.


water: insoluble



Specific Gravity

0.842 (20/4℃)


Colorless to Almost colorless

explosive limit


optical activity

[α]20/D +120°, neat

Water Solubility 

Miscible with alcohol,chloroform,ether and carbondisulfide.Immiscible with water.



(+)-Dipentene Uses

(+)-Dipentene can be taken advantage of as a resources for the prep work of synthetic orange bloom, sweet bloom, lemon, as well as also bergamot oils. It can also be made use of as a fresh leading fragrance for cosmetics, soaps and also day-to-day chemical significances, in scent kind, jasmine enter flower scent, lavender kind in addition to pains, aldehyde, woody, fruity or scent kind Both are suitable.

(+)-Dipentene Synthesis

图1 (+)-柠檬烯的合成路线[2]。

Add an option of 1M SnCl4 in hexane (0.5 mL) to (R)-2-acryloyloxy-(1,1′-biphenyldicarboxylate)-2′-p-toluenesulfonate (0.5 mmol) in a mix in 1-chloropropane (2.5 mL). The service was distilled dropwise at -78 ° C. The reaction mixture was stirred at -78 ° C for 4-12 hrs. The reaction mix was quenched with saturated NaHCO3 option. The response blend was heated to area temperature level. The resulting mix was drawn out two times with pentane. The mixed natural layers were dried over magnesium sulfate. Filter the mixed organic layers. The consolidated natural layers were focused in vacuo. Chromatography of the unrefined product on silica gel (eluting with pentane) paid for the title substance (+)-Dipentene. The artificial path is shown in Number 1.

图2 (+)-柠檬烯的合成路线。

Number 2 The artificial path of (+)-limonene.

Tosyl chloride (190 mg) was included in (R)-2-formyloxy-2 ′-hydroxy-1,1 ′-binaphthyl (423 mg) and also triethylamine (420 mL, 3 mmol) in a stirred solution in ether. The response mix was heated to area temperature. The response mixture was stirred for 5 hrs. The response blend was poured into saturated NaHCO3 option. The reaction mixture was drawn out with ether. The reaction mix was dried out over MgSO4. The response combination was focused. The unrefined product was purified by silica gel column chromatography using hexane-ethyl acetate (15:1) to manage the title substance (+)-Dipentene. The synthetic route is received Figure 2.

(+)-Dipentene Ecological Information

The manufacturing and also use (+)-Dipentene as a flavoring, fragrance as well as fragrance item, solvent, wetting agent, in addition to product production could result in its launch right into the setup via countless waste streams. Its use as a pesticide, insect repellent as well as likewise animal (canine as well as also pet feline) repellent cause its straight launch into the setting. d-limonene exists in a wide range of plants and likewise launched as volatiles. If released to air, the vapor tension of 1.98 mmHg at 25 ° C shows that d-limonene will only exist in the feel as a vapor. Vapor-phase d-limonene will break down absolutely free radicals in the environment by reacting with photochemically created hydroxyl radicals, ozone, as well as additionally nitrate; the half-lives of these feedbacks in air are approximated to be 156, 37, in addition to 9 mins, especially. (+)-Dipentene does not include chromophores that absorb at wavelengths > 290 nm as well as is consequently prepared for to be a lot less vulnerable to photolysis by straight sunshine. If launched into dirt, d-limonene is expected to have in fact reduced versatility based upon an estimated Koc of 1120. Volatilization from wet dust surface areas is anticipated to be a substantial fate procedure based upon Henry’s law constant of 0.0281 atm-cu m/mole. Based upon its vapor pressure, (+)-Dipentene is not expected to volatilize from completely dry dirt surface areas. However, adsorption to dust is anticipated to undermine volatilization. Utilizing the Japanese MITI test, it got to 73% of the scholastic number within 2 weeks, showing that biodegradation is a vital environmental destiny process in dirt in addition to water. If launched right into water, d-limonene is expected to adsorb to postpone solids in addition to debris based upon the approximated Koc. Volatilization from water to surface is expected to be a vital fate procedure based on the substance’s Henry’s regulations constant. The approximated volatilization half-lives were 3.5 hrs along with 4.6 days for the style river as well as also style lake, particularly. An approximated BCF of 480 reveals a high bioconcentration capability in water organisms. Hydrolysis is not anticipated to be an important eco-friendly destiny treatment due to the truth that the substance does not have useful teams that hydrolyze under ambient problems (pH 5 to 9). Occupational direct exposure to d-limonene may develop from inhalation as well as dermal direct exposure to this substance in workplaces where d-limonene is produced or utilized. Protection information show that the general population may be subjected to d-limonene by means of breathing of ambient air, intake of food and additionally alcohol intake water as well as additionally face exposure to consumer things containing (+)-Dipentene. d-limonene is an energetic part in a variety of registered shampoos, dips as well as spray items intended for usage on livestock for flea as well as tick control, the basic people or vets as well as animal pet grooming experts that use these items might Exposure to (+)-Dipentene.

About Products:
If you need (+)-Dipentene as a cosmetic raw material, please contact our service staff directly, we will provide you with high-quality products at the best price.
As an experienced (+)-Dipentene manufacturer and supplier, ZSpharmac will provide (+)-Dipentene raw materials to customers all over the world for a long time.
Over the years, the company has been adhering to the spirit of “integrity management, strict quality control, customer first”, and has won unanimous praise from domestic and foreign customers.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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