English
English French German Portuguese Spanish Russian Japanese Korean Arabic Irish Greek Turkish Italian Danish Romanian Indonesian Czech Afrikaans Swedish Polish Basque Catalan Esperanto Hindi Lao Albanian Amharic Armenian Azerbaijani Belarusian Bengali Bosnian Bulgarian Cebuano Chichewa Corsican Croatian Dutch Estonian Filipino Finnish Frisian Galician Georgian Gujarati Haitian Hausa Hawaiian Hebrew Hmong Hungarian Icelandic Igbo Javanese Kannada Kazakh Khmer Kurdish Kyrgyz Latin Latvian Lithuanian Luxembou.. Macedonian Malagasy Malay Malayalam Maltese Maori Marathi Mongolian Burmese Nepali Norwegian Pashto Persian Punjabi Serbian Sesotho Sinhala Slovak Slovenian Somali Samoan Scots Gaelic Shona Sindhi Sundanese Swahili Tajik Tamil Telugu Thai Ukrainian Urdu Uzbek Vietnamese Welsh Xhosa Yiddish Yoruba Zulu Kinyarwanda Tatar Oriya Turkmen Uyghur
contact

CONTACT
Leave Your Message
Online Inuiry
4WeChat
6503fd048f54d46697
food and medicine
specializing in the production
slihalal kosher and fda certificate
010203

about us

653b29091n

Who we are?

Founded in 2004, Tengzhou Runlong Fragrance Co., Ltd. is a manufacturers specializing in the production of synthetic and nature flavors and fragrances in China. Located in Shandong Province.
Tengzhou Runlong Fragrance Co., Ltd. relocated to Biomedicine Industrial Park of Dawu Town in Tengzhou City in 2016, with an area of approximately 66600 square meters and a total investment of 36 million U.S.dollors. There are 5 standardized production plants and more than 300 sets of various production equipment. 

Our Advantage

  • 653b28ey4d

    Our Team

    We have a perfect organizational structure to ensure the service from the source to the terminal, to bring customers a good purchasing experience.

  • 653b28ezil

    Our Product

    The company has 200 kinds of products, products are sold to nearly 70 countries and regions around the world, in order to better serve customers.

  • 653b28ewhw

    Honor and qualification

    We have won the National Outstanding Contribution Award for Energy Conservation and other honorary titles.

Product classification

The beginning of success comes from a good business partner, choose “Runlong”, is the beginning of your success.

Flavor and Fragrance
Fine chemical intermediates
Organic synthesis flavouring agent 2-Heptanone CAS NO.110-43-0 Organic synthesis flavouring agent 2-Heptanone CAS NO.110-43-0-product
01

Organic synthesis flavouring agent 2-...

2024-09-30

Density: 0.8±0.1 g/cm3

Boiling Point :151.2±3.0 °C at 760 mmHg

Melting Point: -35 °C

Molecular Formula: C7H14O

Molecular Weight: 114.186

Flash Point: 47.2±0.0 °C

Exact Mass: 114.104462

Index of Refraction: 1.404

Stability Stable: Flammable. Incompatible with strong oxidizing agents, strong reducing agents, strong bases.

Water Solubility: 4.3 g/L (20 ºC)

view detail
Compound mushroom essence 1-octen-3-yl butyrate CAS NO.16491-54-6 FEMA 3612 Compound mushroom essence 1-octen-3-yl butyrate CAS NO.16491-54-6 FEMA 3612-product
02

Compound mushroom essence 1-octen-3-y...

2024-09-30

Product Code:RL 9028

CAS No.: 16491-54-6

FEMA：3612

Structural formula: 

7.png

view detail
Edible spice ethyl 2-mercaptopropionate CAS NO.19788-49-9 Edible spice ethyl 2-mercaptopropionate CAS NO.19788-49-9-product
03

Edible spice ethyl 2-mercaptopropiona...

2024-09-30

Product Code:RL 7089

CAS No.: 19788-49-9

FEMA：3279

Application: Used in candy, jelly, drinks, cold drinks, baked goods

Structural formula: 

6.png

view detail
Coffee flavoring agent 2-methylthio-3-methylpyrazine CAS NO.2882-20-4 and CAS NO.67952-65-2 Coffee flavoring agent 2-methylthio-3-methylpyrazine CAS NO.2882-20-4 and CAS NO.67952-65-2-product
04

Coffee flavoring agent 2-methylthio-3...

2024-09-30

Product Code:RL 1043

CAS No.: 2882-20-4

FEMA：3208

Aroma: It has the aroma of fried almonds, fried hazelnuts, and has the smell of sea shells

Application: Used in ice food, baked goods, nuts, seafood, condiments, etc

Structural formula: 

5.png

view detail
Essence and fragrance 3,4-Dimethoxybenzaldehyde CAS NO.120-14-9 Essence and fragrance 3,4-Dimethoxybenzaldehyde CAS NO.120-14-9-product
05

Essence and fragrance 3,4-Dimethoxybe...

2024-09-30

Product Code: RL31014

CAS No.: 120-14-9

FEMA：3109

Aroma: Creamy and olive aromas

Structural formula: 

4.png

view detail
Food grade essence and fragrance methyl propyl sulphide CAS NO.3877-15-4 Food grade essence and fragrance methyl propyl sulphide CAS NO.3877-15-4-product
06

Food grade essence and fragrance meth...

2024-09-30

Product Name:methyl propyl sulphide

CAS NO.:3877-15-4

EINECS: 223-403-5

Molecular Weight:90.1872

Molecular Formula:C4H10S

Density: 0.831g/cm3

Boiling Point(℃): 94.1°C at 760 mmHg

Flash Point(℃):0°C

Refractive_index: 1.439

Structural formula: 

33.png

view detail
Food grade and Pharmaceutical intermediate Ethyl thioacetate CAS NO.625-60-5 FEMA NO.3282 Food grade and Pharmaceutical intermediate Ethyl thioacetate CAS NO.625-60-5 FEMA NO.3282-product
07

Food grade and Pharmaceutical interme...

2024-09-30

Product Code: RL7037

Aroma: Onion, coffee aroma

Applicable Scope: Fruits, meat products, seasonings, spices, etc.

Suggested Dosage (PPm): 0.5-5

FEMA: 3282

National Standard Code: S0758

CAS Number: 625-60-5;59094-77-8

Structural formula: 

2.png

view detail
Food grade S-Methyl thioacetate CAS NO.1534-08-3 FEMA NO.3876 Food grade S-Methyl thioacetate CAS NO.1534-08-3 FEMA NO.3876-product
08

Food grade S-Methyl thioacetate CAS N...

2024-09-30

Product Code: RL7036

Aroma: Onion, coffee aroma

Applicable Scope: Baked foods, beverages, dairy products, meat products, seasonings, etc.

Suggested Dosage (PPm): 0.1-5

FEMA: 3876

National Standard Code: S0827

CAS Number: 1534-08-3

Structural formula: 

11.png

view detail
4-furfuryl thio-2-pentanone CAS NO.180031-78-1 FEMA 3840 4-furfuryl thio-2-pentanone CAS NO.180031-78-1 FEMA 3840-product
09

4-furfuryl thio-2-pentanone CAS NO.18...

2024-09-21

Product Code: RL7046

Aroma : Meaty , aromatic

Applicable Scope: Baked foods, meat products

Suggested Dosage (PPm): 1-8

FEMA: 3840

National Standard Code: S1130

CAS Number: 180031-78-1

Structural formula: 

1.png

view detail
5-ethyl-4-hydroxy-2-methylfuran-3(2H)-one [27538-10-9] FEMA 3623 5-ethyl-4-hydroxy-2-methylfuran-3(2H)-one [27538-10-9] FEMA 3623-product
010

5-ethyl-4-hydroxy-2-methylfuran-3(2H)...

2024-09-21

Product Code: RL3011

Aroma: Sweet fruity, caramel, English toffee-like aroma

Applicable Scope: Fruits, caramel, meat products

Suggested Dosage (PPm): 5-10

FEMA: 3623

National Standard Code: S0240

CAS Number: 27538-09-6;27538-10-9

Structural formula: 

1.png

view detail
010203
Intermediate of medicine, pesticide and fragrance 2-Ethoxyphenol CAS NO.94-71-3 Intermediate of medicine, pesticide and fragrance 2-Ethoxyphenol CAS NO.94-71-3-product
01

Intermediate of medicine, pesticide a...

2024-11-11

Product name: 2-Ethoxyphenol

Chemical name: 2-ethoxyphenol | catechol monoethyl ether | 2-hydroxyphenetole

English name: 2-Ethoxyphenol; Guaethol

Molecular formula: C8H10O2

Molecular weight：138.16

CAS No.: 94-71-3

Appearance: Colorless transparent liquid or crystalline (colorless transparent crystalline below 30 degrees Celsius).

Melting point: 20-25℃

Molecular structure.：

图片11.png

view detail
Water treatment products and Surfactant Didecyl dimethyl ammonium chloride CAS NO. 7173-51-5 Water treatment products and Surfactant Didecyl dimethyl ammonium chloride CAS NO. 7173-51-5-product
02

Water treatment products and Surfacta...

2024-10-24

Chemical Name:Didecyl dimethyl ammonium chloride/ DDAC

CAS No.: 7173-51-5

Molecular Formula: C22H48ClN

Molecular Weight:362.08

Molecular structure :

1.png

view detail
Lauryl Dimethyl Amine Oxide 30 % CAS 1643-20-5 Lauryl Dimethyl Amine Oxide 30 % CAS 1643-20-5-product
03

Lauryl Dimethyl Amine Oxide 30 % CAS ...

2024-10-24

Chemical Name: LDAO

CAS No.: 1643-20-5

Molecular Fomula: C14H31NO

Molecular weight: 229.4

Appearance:light yellow liquid

Assay: 30%min

Molecular structure :     

1.png

view detail
organic intermediate n-amyl sulfide CAS NO.872-10-6 organic intermediate n-amyl sulfide CAS NO.872-10-6-product
04

organic intermediate n-amyl sulfide C...

2024-10-24

Synonyms : Di-n-amyl Sulfide

CAS No : 872-10-6

Formula : C10H22S

Molecular Weight: 174.347

Molecular structure :                

1.png

Melting point: －51℃

Density : 0.84 g/cm3 at 25℃

Boiling point : 228-230°C at 760 mmHg

Flash point : 85℃

view detail
Food grade used in food spices and medicines Methyl allyl trisulfide CAS NO.34135-85-8 FEMA No. 3253 Food grade used in food spices and medicines Methyl allyl trisulfide CAS NO.34135-85-8 FEMA No. 3253-product
05

Food grade used in food spices and me...

2024-10-24

Synonyms: Methyl allyl trisulfide
CAS No : 34135-85-8
Formula : C4H8S3
Molecular Weight:152.301
Molecular structure :                

1.png

Melting point: < 25ºC

Density :1.2±0.1 g/cm3

Boiling point :212.7±33.0 °C at 760 mmHg

view detail
Organic Intermediate di-n-decyl sulfide CAS NO.693-83-4 Organic Intermediate di-n-decyl sulfide CAS NO.693-83-4-product
06

Organic Intermediate di-n-decyl sulfi...

2024-10-24

Synonyms: Didecyl sulfide

CAS No : 693-83-4

Formula : C20H42S

Molecular Weight: 314.6

Molecular structure :  

1.png

Melting point: 25~28℃

Density : 0.882 g/cm3 at 25℃

Boiling point : 392.2°C 

view detail
Organic Intermediate Diheptyl sulfide CAS NO.629-65-2 Organic Intermediate Diheptyl sulfide CAS NO.629-65-2-product
07

Organic Intermediate Diheptyl sulfide...

2024-10-24

Synonyms : Diheptyl sulfide

CAS No : 629-65-2

Formula : C14H30S

Molecular Weight: 230.45

Molecular structure :  

1.png

Melting point: －11℃

Density : 0.84 g/cm3 at 25℃

Boiling point : 298°C at 760 mmHg

Flash point : 148.9℃

view detail
Organic Intermediate N-Butyl Disulfide CAS 629-45-8 Dibutyl Disulfide Organic Intermediate N-Butyl Disulfide CAS 629-45-8 Dibutyl Disulfide-product
08

Organic Intermediate N-Butyl Disulfid...

2024-10-24

Synonyms :Butyl disulfide

CASNo :629-45-8

Formula : C8H18S2

Molecular Weight:178.36

Molecular structure :

1.png

Density : 0.938 g/cm3

Boiling point : 226°Cat 760 mmHg

Flash point  :93.3℃

view detail
Food Grade daily essence and edible essence Di-Sec-Butyl Sufide CAS 626-26-6 Food Grade daily essence and edible essence Di-Sec-Butyl Sufide CAS 626-26-6-product
09

Food Grade daily essence and edible e...

2024-10-24

Synonyms : sec-Butyl sulfide

CAS No : 626-26-6

Formula : C8H18S

Molecular Weight:146.29

Molecular structure :

1.png

Density : 0.839 g/cm3 at 25℃

Boiling point : 165°C at 760 mmHg

Flash point : 39℃

view detail
Synthetic Organic Materials Isoamyl Sulfide/Diisoamyl sulfide CAS 544-02-5 Synthetic Organic Materials Isoamyl Sulfide/Diisoamyl sulfide CAS 544-02-5-product
010

Synthetic Organic Materials Isoamyl S...

2024-10-24

Synonyms : 3-methyl-1-(3-methylbutylsulfanyl)butane;Diisopentyl sulfide; Isoamyl sulfide; Diisopentyl sulfide; 2,8-dimethyl-5-thianonane; 1-(Isopentylsulfanyl)-3-methylbutane; 1,1'-thiobis[3-methyl-butan; 1,1'-Thiobis(3-methyl-butane);

CAS No : 544-02-5

Formula : C10H22S

Molecular Weight : 174.34

Molecular structure :

1.png

Density: 0.834 g/mL

Melting point:－74.8 °C

Boiling point :49 °C　

view detail
010203

Hot selling products

Tengzhou Runlong Fragrance Co., Ltd. is mainly committed to the production and customization of food-grade flavors and fragrances, at present, the company has 200 kinds of products, products are sold to nearly 70 countries and regions around the world, in order to better serve customers, the company in 2023, in Jinan, capital of Shandong Province founded a branch.

Furan series

f4ba5c9a-1cb9-40fe-a638-ddda307628b9
gummies_s
Click view

Sulfides series

4783ee0c-a40b-4684-9813-4136b587cdca
softgel_ico
Click view

Thiazole series

730a781a-d9af-4c01-a26d-3c8f2a16f8c0
caosules_s
Click view
  • 15
    +
    Import and export
    The product has been exported to over 70 countries and regions overseas

    Years

  • 20
    +
    Manufacturing Experience
    Founded in 2004,Currently, more than 30 invention patents have been obtained.

    Years

  • 150
    +
    Employee
    Perfect organizational structure and each department performs its own duties.
  • 200
    +
    Products
    Widely used in food flavors,feed flavors, medicine, tobacco, etc.
  • 66600
    +
    Factory area
    Existing area is about 66600 square meters,33300 square meters under construction.

Industry applications

4hk7

Our products are widely used in the pharmaceutical intermediates industry.

CERTIFICATION

Tengzhou Runlong Fragrance Co., Ltd. has successively passed ISO9001 quality system certification, ISO22000 food safety management certification, ISO14000 environmental management system certification and HACCP certification, meanwhile, Runlong have"food production license", “HALAL” certificate, "KOSHER" Jewish certification and FDA.  Moreover, we have won the National Outstanding Contribution Award for Energy Conservation and other honorary titles.

bgfhjggb3
30mt
4394
7f1i
849c
6ds2
5e4w
1-2r83
0102

NEWS AND BLOG

Liquor Flavorings: A Key Ingredient in Alcoholic Beverages Liquor Flavorings: A Key Ingredient in Alcoholic Beverages
01
2024-11-29

Liquor Flavorings: A Key Ingredient in Alcoholic Beverages

Liquor flavorings are essential in shaping the taste and aroma profiles of alcoholic drinks. They enhance the sensory experience and ensure consistency across batches, making them crucial for the production of a variety of alcoholic beverages.
Food Flavor Makers: Food-Grade Flavors and Fragrances Food Flavor Makers: Food-Grade Flavors and Fragrances
02
2024-11-29

Food Flavor Makers: Food-Grade Flavors and Fragrances

Food-grade flavors and fragrances are essential components in the food industry, playing a significant role in enhancing the sensory experience of food and beverages.  
The Importance of Measuring Refractive Index in Flavor and Fragrance Intermediates The Importance of Measuring Refractive Index in Flavor and Fragrance Intermediates
03
2024-11-28

The Importance of Measuring Refractive Index in Flavor and Fragrance Intermediates

Measuring the refractive index (RI) of flavor and fragrance intermediates is a critical step in quality control and product characterization. The refractive index provides insight into the purity, composition, and identity of a substance, ensuring that the materials meet required specifications for further processing or end use.