Zhishang Chemical

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Sunset Yellow CAS 2783-94-0

Molecular Formula: C16H13N2NaO7S2

Formula Weight: 432.4

ZSpharmac: Sunset Yellow Supplier

Product Name: Sunset Yellow
CAS No: 2783-94-0
Purity: 99%

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Basic Info

Product Name:Sunset Yellow
Other Names:Diethanolamine
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:White Crystal or Colorless Liquid
EINECS No.:203-868-0
Provide:Sunset Yellow MSDS;
Sunset Yellow COA

What is Sunset Yellow?

Sundown yellow is likewise known as orange, sunset yellow, and sundown yellow. Edible synthetic coloring, orange-red powder or granules, odorless, insoluble in oil, slightly soluble in ethanol, easily soluble in water, glycerin, propylene glycol, orange in aqueous service, good in light resistance, warm resistance and acid resistance, in citric acid and also tartaric acid Steady, the color transforms darker when it encounters alkali, with red brown, discolors when restored, and has high security in use. Used as a food tinting representative, it can be utilized for pastry coloring, and the usage restriction is 0.1 g/kg. It is acquired by diazotizing p-aminobenzenesulfonic acid and 2-naphthol-6-sodium sulfonate, salting out the item with sodium chloride, and also refining.

Sunset Yellow Property

Melting point 390°C (dec.)
Boiling point 162.4°C
density 0.474-0.588[at 20℃]
storage temp. Amber Vial, Refrigerator
solubility Soluble in water, ethanol
pka0[at 20 ℃]
Colour Index 15985
form crystals
color Orange-red
Water Solubility 5-10 g/100 mL at 24 ºC


Sunset Yellow Uses

Sunset yellow can be used in high-sugar fruit juice drinks, carbonated drinks, concentrated fruit juices, ready a glass of wine, candies, pastries, tinned watermelon sauce, green plums, shrimp chips, veggie protein drinks and lactic acid germs beverages, with an optimum usage of 0.10 g/kg;

The maximum quantity utilized for gelato is 0.09 g/kg;

For candy layer and also red as well as eco-friendly silk, the optimum dose is 0.20 g/kg;

For flavored yogurt, flavored compressed milk, ultra-high temperature seasoned milk, the maximum permitted dosage is 0.05 g/kg;

For ice cream, popsicles, and gelato, the optimum dosage is 0.09 g/kg;

When used in solid drinks, puffed foods, fried treats, biscuit sandwiches, plums, apricots as well as other foods, the maximum allowed dose is 0.1 g/kg;

For jam, fruit flavored syrup, mayonnaise, salad dressing, the optimum allowed use is 0.5 g/kg;

For solid compound flavorings as well as solid immediate soups, the optimum allowed dose is 0.3 g/kg;

For jelly, the maximum dose is 0.025 g/kg.

On top of that, the high quality of sunset yellow utilized in food production as well as processing need to satisfy appropriate criteria. According to regulations, prepared meat items such as beef, sauced pork, and dried fish are not permitted to add sundown yellow.

Guanyu Instruments Food Pigment Multifunctional Detector can quickly discover Sudan Red, Indigo, Brilliant Blue, Tartrazine, Sundown Yellow, Carmine, Amaranth, Allura Red, Rhodamine B, etc.

Production Method of Sunset Yellow

1) Preparation of sunset yellow. Include p-aminobenzenesulfonic acid to 11-12, after that slowly add sodium carbonate to dissolve completely, filter; cool to 0-5 ° C, then include 1.5-1.8 times (mass) hydrochloric acid of p-aminobenzenesulfonic acid, mix Let it stand uniformly, as well as great 1-naphthylamine-4-sulfonic acid crystals are precipitated, and cooled down to below 5 ° C. Gradually include 1:2 (mass) sodium nitrite option at 3-5 ° C for diazotization to obtain diazonium remedy. After the reaction is completed, the feed solution is strongly acidic (blue) to the Congo red test paper.
Mix as well as dissolve 2-naphthol-6-sodium sulfonate in 20 times the amount (mass) of water at 75-80 ° C, after that include part of sodium carbonate (1/5 of the complete quantity), dissolve and filter. Put the filtrate right into the response kettle, after that include the rest of sodium carbonate, stir as well as cool down to 5-8 ° C; then gradually include diazonium solution at 10-15 ° C as well as pH8-9 to carry out combining response for several hrs.
After the response is completed (2-naphthol-6,8-sodium disulfonate is a little extreme), warm it up to 50-60 ° C, include fine-tuned sodium chloride, stir, cool it to room temperature level naturally, as well as allow it stand to precipitate crystals; Mix as well as dissolve the crystals in 15 times the quantity (mass) of clean water at 70 ° C, add an appropriate quantity of sodium carbonate to make the solution somewhat alkaline, add improved salt after purification, mix and also adjust the pH to 6.5-7.0 with hydrochloric acid. Stand still, take shape, different and also dry to obtain the finished product.
( 2) Preparation of sundown yellow light weight aluminum lake. Aluminum hydroxide is prepared from aluminum salts such as aluminum chloride and also light weight aluminum sulfate as well as alkalis such as sodium carbonate, and then contributed to sunset yellow liquid solution to speed up to get the item.

Addition Standard of Sunset Yellow

According to the “National Food Safety Criteria – Specifications for making use of Food Additives” (GB 2760-2014), sunset yellow is not enabled to be included in meat products.

The requirements of “National Food Safety Requirements – Specifications for making use of Food Additives” (GB 2760-2014) are executed, which specifies that lemon yellow, sunset yellow as well as carmine are not permitted to be utilized in tea.

Lemon yellow and also sunset yellow were found in tea tree mushroom. It may be that the company made use of such artificial additive beyond the range in order to improve the sensory high quality in the manufacturing as well as processing procedure.

The detection of lemon yellow, sunset yellow as well as carmine in tea might be because of the too much use of such food additives in order to enhance the sensory quality of tea during the manufacturing and also handling process.

About Products:
If you need Sunset Yellow this cosmetic raw material, please contact our service personnel directly, we will provide you with high-quality products at the best price.
As an experienced Sunset Yellow manufacturer and supplier, ZSpharmac will provide Sunset Yellow 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.

Get Sunset Yellow Quotation