Your Professional Aroma Chemicals Supplier

 

Zhongda is a subsidiary of Henan Kangyuan Flavours Group Co., Ltd. It mainly deals in food additives, aroma chemicals, flavours, and pharmaceutical intermediates. Our products have got ISO, KOSHER, HALAL, FDA certificates, and are exported to more than 30 countries and regions including the United States, Italy, Spain, Singapore, Canada, Indonesia, South America, and Africa. The product quality is stable and the service is excellent, which has been recognized and satisfied by our customers.

 

Why Choose Us

Excellent Quality

Our for each process, we have strict inspection standards, and we always insist that quality is life.

Global Sales

North America, South America, Europe, Africa, Southeast Asia etc.
Our products have been exported to more than 30 countries. Our stable quality and good service get good reputation from our clients.

Efficient and Convenient

The company has established marketing networks around the world to provide high-quality services to customers in an efficient and convenient manner.

Our Certificates

Our products have got ISO, KOSHER, HALAL, FDA certificates.

 

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Acetaldehyde Parameter

 

 

Item

Specification

Melting point

-123°C

Boiling point

-190.3° F (NTP, 1992)

Density

0.788

Vapor pressure

52 mm Hg ( 37 °C)

Refractive index

1.331-1.333

Flash point

-40° F (NTP, 1992)

PSA

17.07000

logP

0.20520

Solubility

Alcohols: Soluble

 

 

Acetaldehyde Properties

 

 

Biological source

Synthetic

Quality Level


400

Grade


Kosher

Agency


Meets purity specifications of JECFA

Reg. compliance


Meets FCC analytical specification

Vapor density


1.52 (vs air)

Vapor pressure


14.63 psi ( 20 °C)

Assay


≥99%

Form


Liquid

Autoignition temp.


365 °F

Expl. lim.


60 %

Refractive index


N20/D 1.332 (lit.)

PH


5 (20 °C)

Bp


21 °C (lit.)

Mp


−125 °C (lit.)

Density

0.785 g/mL at 25 °C (lit.)

Application(s)


Flavors and fragrances

Documentation

See Safety & Documentation for available documents

Food allergen


No known allergens

Organoleptic


Fruity; pungent; ethereal

Storage temp.


2-8°C

SMILES string


CC=O

InChI


1S/C2H4O/c1-2-3/h2H,1H3

InChI key


IKHGUXGNUITLKF-UHFFFAOYSA-N

 

 

Parameter

 

 

Density

0.785g/mL

Melting point

-89.5ºC

Boiling point

81-83ºC

Refractive index

1.376-1.378

Flash point

12ºC

Vapour pressure

KPa at 20°C: 4.4

PSA

20.23000

logP

0.38710

Solubility

Water: Soluble (completely)

Maximum Λ

λ: 260 nm Amax: 0.02 λ: 280 nm Amax: 0.01

Viscosity

2.038 mPa s at 25 °C

Vapor density

2.1 (vs air)

Appearance

Colorless transparent liquid

 

 

Physical Properties of Isopropyl Alcohol

 

 

Physical description

Colorless liquid with the odor of rubbing alcohol.

Boiling point

181°F

Molecular weight

60.1

Freezing point/melting point

-127°F

Vapor pressure

33 mmHg

Flash point

53°F

Vapor density

2.07

Specific gravity

0.79

Ionization potential

10.10 eV

Lower explosive limit (LEL)

2.0%

Upper explosive limit (UEL)

12.7% at 200°F

NFPA health rating

1

NFPA fire rating

3

NFPA reactivity rating

0

NFPA special instruction

 

Vapor hazard ratio (VHR)

 

Historical exceedance percentage

 

Target organs

     

 

High Quality 99% Acetic Acid Octyl Ester CAS112-14-1

 

Applications of Acetaldehyde

* Chemical industry: Acetaldehyde is one of the important raw materials for many chemical and organic synthesis. It is widely used in the production of chemicals such as acetic acid, vinyl acetate, and cellulose acetate. These chemicals have important applications in plastics, textiles, coatings, inks, etc.1 In addition, Acetaldehyde can be used in the manufacture of polyacetal and synthetic rubber.

 

* Pharmaceutical industry: Acetaldehyde also has important applications in the pharmaceutical field. It can be reacted with Grignard and organolithium reagents to form alcohols, which are further used in the manufacture of hydrates of the pesticide DDT and the sleeping drug trichloroacetaldehyde.

 

* Food industry: Although acetaldehyde is harmful to humans, it is mainly used in the food industry for the manufacture of food additives and flavourings. However, it should be noted that Acetaldehyde is irritating and toxic and can be hazardous to human health, so special attention needs to be paid to safety measures when using and handling it.

 

* Other applications: Acetaldehyde is also used in the manufacture of dyes, fragrances and other fine chemicals. It is used as an important intermediate in organic synthesis, participating in a variety of chemical reactions to produce a variety of useful compounds.

 

 

Synthesis of Acetaldehyde

* Ethylene oxidation: Crude acetaldehyde is synthesised by one-step direct oxidation of ethylene and oxygen over a catalyst containing palladium chloride, copper chloride, hydrochloric acid and water, and then distilled to a finished product. This method, also known as the Wacker method, was the first process in the world to be industrialised using a homogeneous coordination catalyst.


* Ethanol oxidation: Ethanol vapour is oxidised and dehydrogenated by air at 300-480°C using silver, copper or silver-copper alloy nets or pellets as catalysts to produce acetaldehyde. This method is widely used in industry.


* Acetylene hydration: Acetylene and water are hydrated directly under the action of mercury catalyst or non-mercury catalyst to obtain acetaldehyde. Due to the environmental pollution problems of mercury catalyst, this method has been gradually replaced by other methods.


* Ethanol dehydrogenation: Acetaldehyde is produced by dehydrogenating ethanol over a copper catalyst to which cobalt, chromium, zinc or other compounds are added. This method is also known as the Dewar method.

High Quality 99% Acetic Acid Octyl Ester CAS112-14-1

 

Uses of Isopropyl Alcohol
 

To clean surfaces, both alone and as a component of a general-purpose cleaner, or as a solvent. 99% isopropyl alcohol has the benefit of being non-corrosive to metals or plastics, so it can be used widely, on all surfaces, and won’t leave smears, even on glass or screens.

 

As an industrial cleaner because it does not leave a residue that may cause complications in manufacturing. Water is a necessary component in most cleaning products, but some electronics and other components cannot come into contact with water. 99% isopropyl alcohol not only cleans these surfaces but evaporates incredibly quickly, leaving the component residue-free.

 

To prevent infection from relatively minor surface wounds, such as cuts and scrapes, and is extensively used in the tattoo and piercing industry.

 

For disinfecting in pharmaceutical labs, hospitals, and other medical locations. Alcohol is well known for its disinfectant properties, but solutions under 50% significantly lose their effectiveness. 99% isopropyl alcohol is so effective it is suitable for medical and lab-grade applications.

 

In paint thinners and inks as it is an effective thinner and can be used in paint strippers.

 

In windshield thawing agents, since it “defrosts” frozen liquid.

 

To clean clients’ nails in the beauty industry prior to fake nail application or a manicure. When the nail is completely clean, any nail varnishes, polishes, or other accessories adhere much more easily.

 

 

Different Types of Isopropyl Alcohol

 
 
Industrial / tech grade ipa

This type of IPA is commonly used as an industrial/technical solvent and cleaner and as a raw material for derivatives. It’s used for a variety of non-medical applications, including general purpose wiping and cleaning, as a cleaner for printed circuit boards (PCBs), surface coatings, inks, and various household/commercial cleaners.
Since Industrial or Tech-Grade IPA is held to lower purity standards, it is not approved for medical, food, or drug use.

 
Usp / medical / pharmaceutical grade ipa

This IPA covers a wide range of applications, including drug manufacturing, medical wipes, as well as cosmetic use and personal care products (toiletries). Its purity is expected to be slightly higher than the industrial grade.

 
Acs (spectrophotometric grade)

ACS IPA is held to a higher purity standard compared to USP grade. It’s common in applications including cosmetic and personal care products (toiletries) and rubbing alcohol.

 

 

 

Sales Market

 

 

Our has a complete sales network which covers all major cities in China and are exported to Our products are exported to more than 30 countries and regions including the United States, Italy, Spain, Singapore, Canada, Indonesia, South America, Africa, etc. Our products have stable quality and excellent service, which has won the recognition and satisfaction of customers.

 

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Packing and Shipment

 

 

Packaging method: Steel cylinders; Ampoules outside ordinary wooden crates; Glass bottles with threaded mouths, Glass bottles with iron lids and crimped mouths, Plastic bottles or metal drums (cans) outside ordinary wooden crates; Tanker trucks (filling factor of 0.626 tonnes/cubic metre).

 

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High Quality 99% Acetic Acid Octyl Ester CAS112-14-1

 

Our services

We usually supply standard samples or pre-shipment samples to customers before shipment.
We will do our best to deliver cargo to customers as soon as possible after order confirmed.
If there is any problem with the goods received by customers, we can provide exchange or return services.

 

 

FAQ

 
 

Q: What precautions should be taken with acetaldehyde?

A: Prevent formation of gases and vapours in flammable or explosive concentrations. The product should be used only in the areas where it is not in contact with open fire and other ignition sources. Use non-sparking tools. Use of antistatic clothes and footwear is recommended.

Q: What is the demand for acetaldehyde?

A: The global acetaldehyde market size was estimated to be USD 2.23 billion in 2024, and is expected to expand at a CAGR of 5.4% from 2025 to 2030. Acetaldehyde is widely used as an intermediate in the production of flavoring agents, preservatives, and food additives.

Q: How do you control the quality?

A: We have own quality control system, also do any other Third-party test. Our lab do the inspection for 27 years.

Q: What are the industrial applications of acetaldehyde?

A: Acetaldehyde is also used in the manufacture of disinfectants, drugs, perfumes, explosives, lacquers and varnishes, photographic chemicals, phenolic and urea resins, rubber accelerators and antioxidants, and room air deodourisers.

Q: What happens when acetaldehyde is reduced?

A: According to this question, when acetaldehyde with chemical formula $ C{H_3}CHO $ is reduced with hydrogen in the presence of nickel, we get ethanol with chemical formula $ C{H_3} - C{H_2} - OH $ . The aldehyde functional group is reduced to the alcohol functional group.

Q: Do you accept small orders ?

A: Yes. If you are a small retailer or starting up business,We are definitely willing to grow up with you.
And we are looking forward to co-work with you for a long term relationship.

Q: Do you provide sample?

A: Sure, we provide 100g free sample.

Q: What is the antidote for acetaldehyde?

A: The antidote, which is taken orally, is a hydrogel formed by fibrils of a milk protein to which iron atoms are added and which metabolize alcohol directly to acetic acid (without generating acetaldehyde) in the digestive tract.

Q: What does acetaldehyde turn into?

A: Acetate. Acetate, produced from the oxidation of acetaldehyde, is oxidized to carbon dioxide (CO2). Most of the acetate resulting from alcohol metabolism escapes the liver to the blood and is eventually metabolized to CO2 in heart, skeletal muscle, and brain cells.

Q: How about the price? Can you make it cheaper ?

A: We always take the customer's benefit as the top priority. Price is negotiable under different conditions, we are assuring you to get the most competitive price.

Q: Are you able to deliver on time?

A: Of course! we specialised in this line for many years,many customer make a deal with me because we can deliver the goods on time and keep the goods top quality!

Q: How do you handle acetaldehyde?

A: Avoid contact with skin, eyes, and clothing. Wash hands before breaks and immediately after handling the product. Engineering Controls: All operations involving acetaldehyde and dilutions should be carried out in a certified chemical fume hood.

Q: Can I visit your company and factory in China?

A: Sure. You are very welcomed to visit our company in Kaifeng, China,we will personally take you to visit the factory and explain your doubts in detail.

Q: How Can I place an order?

A: You could just send us inquiry to any of our sales representatives to get detailed order information, and we will explain the detail process.

Q: When will i get your reply?

A: We ensure the fastest response, fastest service, E-mails will be replied with in 12 hours.

Q: What precautions should be taken when using isopropyl alcohol?

A: Keep container tightly closed. Use only outdoors or in a well-ventilated area. Avoid breathing vapor. Wash hands thoroughly after handling.

Q: How long is isopropyl alcohol effective?

A: The bottom line. Rubbing alcohol does have an expiration date, which is usually printed on the bottle or on the label. Rubbing alcohol has a shelf life of 2 to 3 years. After that, the alcohol starts to evaporate, and it may not be as effective at killing germs and bacteria.

Q: What are the benefits of isopropyl alcohol?

A: Isopropyl alcohol kills or prevents the growth of bacteria on the skin. Isopropyl alcohol topical (for use on skin) is used to help prevent bacterial skin infections from minor cuts or scrapes. Isopropyl alcohol is used in healthcare settings to prevent infection that may be caused by needle punctures.

Q: What are the guidelines in using isopropyl alcohol?

A: How to properly dilute and use IPA. Solutions of 70% IPA in water should be left on surfaces for 30 seconds to ensure disinfection. Pure (100%) IPA evaporates too quickly for such use and is less effective. To clean surfaces with soap and water before cleaning with IPA.

Q: How effective is isopropyl alcohol at cleaning?

A: IPA, especially in solutions between 60% to 90% alcohol with 10-40% water, is a potent antimicrobial against various bacterias, fungi, and viruses. Once alcohol concentrations drop below 50%, its effectiveness for disinfection also drops significantly.

As one of the leading aroma chemicals manufacturers and suppliers in China, we warmly welcome you to to buy high-grade aroma chemicals from our factory. All chemicals are with high quality and competitive price.

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