Zhishang Chemical

Welcome to Zhishang Chemical      +86-176 5311 3209     Simon@sdzschem.com

Zhishang Chemical
Close this search box.

Sodium Dodecyl Sulfate CAS 151-21-3

Molecular Formula: C12H25NaO4S

Formula Weight: 288.38

ZSpharmac: Sodium Dodecyl Sulfate Supplier

Product Name: Sodium Dodecyl Sulfate
CAS No: 151-21-3
Purity: 99%

Navigation Bar

Basic Info

Product Name:Sodium Dodecyl Sulfate
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:White to Pale Yellow Powder or Crystals
EINECS No.:205-788-1
Provide:Sodium Dodecyl Sulfate MSDS;
Sodium Dodecyl Sulfate COA

What is Sodium Dodecyl Sulfate?

Salt dodecyl sulfate is an anionic surfactant, which is a regular agent of sulfate ester surfactants, referred to as SDS, furthermore called AS, K12, salt cocoyl sulfate, sodium lauryl sulfate, lathering representative, the industry Products sold on the Internet are generally white to a little yellow crystalline powder, safe, rather soluble in alcohol, insoluble in chloroform and also ether, conveniently soluble in water, excellent compatibility with anions and additionally non-ions, great emulsification, lathering Sex, lathering, infiltration, purification as well as spreading efficiency, abundant foam, quick biodegradation, yet water solubility is substandard to fatty alcohol polyoxyethylene ether salt sulfate (shortened as AES). It is not aware antacids and likewise challenging water, yet its safety under acidic troubles is substandard to that of basic sulfonates as well as also near AES. Lasting home heating requires to not exceed 95 ° C. The irritation goes to a moderate level among surfactants. The inflammation index of 10% service is 3.3. More than AES, less than salt dodecylbenzenesulfonate (LAS for brief). Poisoning LD50 is 1300mg/kg. Currently, there is no evidence to verify that this item is cancer cells creating, as well as high dosages may absolutely aggravate the skin, but the focus is restricted when used as a frothing representative as a whole bathroom products, as well as it is in line with the guidelines of various nations on earth, so you do not require to stress. Salt lauryl sulfate is the keystone in dish soap. It is commonly utilized in the DNA elimination treatment to separate the protein from the DNA after denaturation. Regularly mispronounced as Salt Lauryl Sulfate. As a lathering agent, it is commonly utilized in tooth paste, soap, body laundry, hair shampoo, cleaning powder, in addition to cosmetics. Salt Lauryl Sulfate is found in 95% of individual skin care in addition to home cleansing items.

Sodium Dodecyl Sulfate Property

Melting point 

204-207 °C (lit.)


1.03 g/mL at 20 °C



storage temp. 



H2O: 0.1 M, clear to nearly clear, colorless to slightly yellow


Powder or Crystals


White to pale yellow


6-9 (10g/l, H2O, 20℃)


Slight fatty odour

PH Range


Water Solubility 

ca. 150 g/L (20 ºC)


Sodium Dodecyl Sulfate Uses

  1. Salt lauryl sulfate has superb detergency, emulsification as well as lathering power, it can be made use of as cleaning agent and fabric accessories, additionally made use of as anionic surfactant, toothpaste foaming agent, mine fire snuffing out agent, lathering of fire extinguisher Representatives, emulsion polymerization emulsifiers, emulsifying dispersants for medication, cosmetic products such as hair shampoos, woollen cleaning agents, and detergents for fine silk as well as wool fabrics. Flotation representative for metal beneficiation.
  2. Salt lauryl sulfate is defined in GB 2760-96 as a handling aid for the food sector. Foaming agent; Emulsifier; Anionic surfactant. Used in cakes, drinks, egg whites, fresh fruits, juice drinks, edible oils, and so on.
  3. Salt lauryl sulfate is used for 1. Surfactants, decontamination, lathering, wetting agents, etc 2. Reasonably low-level ion-pair reagents. When the requirements are low, the price is greater than that of heptane and also sodium pentane sulfonate Cheap 3. As a raw material, material alteration 4, capillary electrophoresis analysis, ingredients, typically made use of as a molar remedy 5, other analytical techniques will certainly also be utilized, such as flow column analysis.

Sodium Dodecyl Sulfate Application and Precautions

Salt lauryl sulfate is a white or light yellow somewhat sticky compound, which is frequently made use of in cleaning agent and also fabric market. It is an anionic surfactant. It is quickly soluble in water, has excellent compatibility with anions and non-ions, as well as additionally has great emulsification, frothing, infiltration, purification as well as diffusion homes. It is typically made use of in toothpaste, hair shampoo, hair shampoo, hair shampoo, cleaning powder, fluid Laundering, cosmetics in addition to pharmaceutical, paper, building products, chemical and also other markets.

Salt dodecylbenzosulfate (code AS) is an essential fatty alcohol sulfuric acid complex anionic surfactant. Sodium fatty alcohol sulfate is white to fade yellow strong, swiftly soluble in water. Rich foam, outstanding detergency as well as emulsification, exceptional biodegradability, hard water resistance, ideal for lowered temperature degree cleansing, really easy to rinse, as well as less frustrating to the skin. Sodium lauryl sulfate is a normal associate of sulfate ester anionic surfactants. Melting point 180-185 ° C, decomposes at 185 ° C. Soluble in water, with a special scent, safe. Its foam performance, detergency, as well as also emulsification are reasonably outstanding. Can be naturally degradable. It is unsusceptible to antacids along with tough water, but it is prone to hydrolysis in strong acid service, as well as its stability is even worse than that of sulfonate. It can be taken advantage of as mine fire extinguishing representative, tooth paste frothing agent, cleaning agent, emulsifier for polymer synthesis, textile auxiliary agent and numerous other business complementary representatives.

Health hazard: Bothersome to mucous membrane layers along with top respiratory system system, aggravating to eyes as well as also skin. May create an allergic reaction in the breathing system. Rise threat: This product is flammable, annoying in addition to sensitizing. Flammable in case of open fire and also high cozy. Disintegrated by high warm launches unsafe gas. Dangerous burning products: carbon monoxide gas, carbon dioxide, sulfide, salt oxide. Contact procedures Skin contact: Get rid of contaminated clothing, rinse with a lot of running water. Eye connect with: Lift the eyelids and additionally wash with running water or saline. Look for medical interest. Breathing: Escape the scene to fresh air. If breathing is difficult, offer oxygen. Search for medical focus. Consumption: Eat a great deal of cozy water, create vomiting. Seek clinical emphasis. Fire extinguishing strategy: Firefighters have to place on gas masks and additionally full-body fire matches, and put out the fire in the upwind direction. Snuffing out agent: haze water, foam, totally dry powder, co2, sand. Drip first aid Emergency treatment: separate the dripped infected area along with limit get to. Cut off the fire resource. It is encouraged that emergency situation workers put on dirt masks (complete face masks) along with safety and security clothing. Stop raising dirt, sweep it up thoroughly, positioned it in a bag as well as also move it to a refuge. If a huge amount of leakage happens, cover it with plastic sheet or canvas. Collect and also recycle or provide to garbage disposal site for disposal.

Preparation of Sodium Lauryl Sulfate

Synthesis principle: It is prepared by neutralizing lauryl alcohol with chlorosulfonic acid or sulfamic acid. Main instruments and medicines: electric stirrer, electric heating mantle, mortar, tray balance, hydrogen chloride absorption device, Roche foam apparatus, four flask (250mL), dropping funnel (60mL), beaker (50mL, 250mL, 500m1), thermometer (0-100°C, 0-150°C), measuring instrument (10mL, 100mL). Cinnamyl alcohol, sodium hydroxide, urea, chlorosulfonic acid, sulfamic acid, sodium hydroxide solution (5%, 30% by mass), chloroform, methanol, sulfuric acid silica gel G, extensive pH test paper.

Add 62g of lauryl alcohol into a 250mL four-necked flask equipped with a hydrogen chloride absorption device, a thermometer, an electric stirrer and a dropping funnel, control the temperature at 25°C, and slowly add 24mL of chlorosulfonic acid dropwise in 30 minutes with a dropping funnel under full stirring , The temperature should not exceed 30°C when adding drops, pay attention to foaming, and do not let the material overflow. After adding chlorosulfonic acid, react at (30+2)°C for 2 hours, and absorb hydrogen chloride gas generated during the reaction with 5% sodium hydroxide solution. After the sulfation is over, slowly pour the sulfate into a 250mL beaker filled with a mixture of 100g of ice and water (ice: water = 2:1), while fully stirring, and cooling the outside with an ice-water bath. Finally, all the reactants in the four-necked flask were washed out with a small amount of water. After uniform dilution, 30% mass fraction of sodium hydroxide solution is added dropwise under stirring to neutralize to pH 7-8.5. Samples were taken for thin layer chromatography. Use a 50mL beaker to take a 2g sample to measure the solid content and foam performance. 2. For thin-layer chromatography, take a small amount of sample with a glass holder and put it into a test tube, make a solution with a mass fraction of about 2%, and apply the sample with a capillary tube. Adsorbent: silica gel G Developing agent: chloroform: formazan (mass fraction 5% 0.05mol*L-1) = 80: 20 Expanding height: 12cm This product is white or light yellow solid, soluble in water, showing translucent solution.

About Products:
If you need Sodium Lauryl Sulfate as a cosmetic raw material, please contact our service staff directly, and we will provide you with high-quality products at the best price.
As an experienced Sodium Lauryl Sulfate manufacturer and supplier, ZSpharmac will provide Sodium Lauryl Sulfate 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 Sodium Dodecyl Sulfate Quotation