Diisopropyl Adipate Production Cost Reports

The report provides detailed analysis essential for establishing a diisopropyl adipate production plant. It encompasses all critical aspects necessary for diisopropyl adipate production, including the cost of diisopropyl adipate production, diisopropyl adipate plant cost, diisopropyl adipate production costs, and the overall diisopropyl adipate production plant cost. Additionally, the study covers specific expenditures associated with setting up and operating a diisopropyl adipate production plant. These encompass production processes, raw material requirements, utility requirements, infrastructure needs, machinery and technology requirements, manpower requirements, packaging requirements, transportation requirements, and more.

Diisopropyl Adipate Market Analysis: Demand and Supply Analysis, and Sourcing

Diisopropyl adipate, often called DIPA, is the diester of adipic acid and isopropyl alcohol. It is a clear, lightweight liquid with a mild smell. In personal care products, it softens skin without leaving it feeling oily or sticky. It also helps dissolve oil-soluble ingredients, mix alcohol with oils, and keep certain materials flexible. Most of its demand comes from personal care products, while smaller quantities are used in fragrances, flavors, plastics, and household products.

Personal care brands are the main buyers of diisopropyl adipate. Sunscreen manufacturers use it to dissolve solid organic UV filters, while antiperspirant and deodorant producers use it for a dry, non-tacky feel. Fragrance houses use it as a carrier for perfume oils. Nail polish, hair spray, and styling aid manufacturers use it as a plasticizer for film formers. Demand follows sun care, deodorant, color cosmetics, and skin care launches around the world.

Diisopropyl adipate is supplied by specialty ester manufacturers in the United States, Europe, Japan, China, and India. Many of these companies use multipurpose plants to produce other esters as well, including isopropyl myristate, isopropyl palmitate, dibutyl adipate, and other cosmetic esters. A diisopropyl adipate demand and supply analysis must weigh personal care growth, adipic acid and isopropyl alcohol prices, nylon 6,6 demand for adipic acid, and trade duties. Buyers check assay, acid value, color, odor, refractive index, specific gravity, and saponification value on every lot.

Summary of the Product, Grades, and Uses

Diisopropyl adipate has the formula C12H22O4, a molar mass of about 230.30 g/mol, and the CAS number 6938-94-9. Its EINECS number is 230-072-0. It melts near -1 degree Celsius and boils at about 251 to 253 degree Celsius at normal pressure. Under vacuum, it boils at about 120 degree Celsius at 6.5 mmHg. Its specific gravity runs from 0.963 to 0.968 at 20 degree Celsius, and its refractive index from 1.423 to 1.427. Its closed-cup flash point is about 109 degree Celsius. Water solubility is very low, at about 56 mg per liter. It mixes freely with ethanol, isopropyl alcohol, mineral oil, isopropyl myristate, and propylene glycol.

Diisopropyl adipate has a viscosity of only about 4 cP at 25 degree Celsius. Typical cosmetic grades show an APHA color of about 15, an acid value near 0.5 mg KOH/g, and a saponification value near 485 mg KOH/g. Its required HLB is about 9. It can dissolve around 16% avobenzone, 30% oxybenzone, 10% enzacamene, 10% salicylic acid, and 3.5% bemotrizinol. This makes it useful in sunscreen formulations. Its low viscosity also makes it suitable for products such as bath oils, sprays, sticks, roll-ons, and wipes.

Diisopropyl adipate is available in several grades for different uses. Cosmetic grade has an assay of 98-100% and an acid value of 1 mg KOH/g or less, making it suitable for personal care products. Laboratory grades usually have a purity above 99% when tested by gas chromatography and are used for research and analysis. It is also available in a flavor grade listed under FEMA number 4474. The grades differ in purity, acid value, color, odor, moisture content, and residual alcohol levels. Recommended use levels run from 0.1% as a plasticizer to 25% as an emollient, sunscreen solvent, or bath oil base.

Main End-Uses of Diisopropyl Adipate

Skin care and sun care products account for most of the demand for diisopropyl adipate. Sunscreen manufacturers use it to dissolve solid UV filters and help keep them evenly mixed in the formulation. Its polarity may also help stabilize avobenzone. Facial creams, body lotions, hand creams, and eye care products use it to give the skin a light feel and help the product spread easily. It can also make heavier emollients feel lighter and reduce stickiness in creams, lotions, sprays, and sticks.

Deodorants, fragrances, and hydroalcoholic products are another important area of use. Antiperspirant sticks and roll-ons use diisopropyl adipate to provide a dry feel and reduce tackiness. Aftershaves, pre-shave lotions, colognes, and body sprays use it to help blend alcohol with oils. Fragrance manufacturers also use it as a carrier for aroma chemicals because it has little effect on the fragrance profile. It can be used as the main solvent for perfume oils in colognes, toilet waters, after-bath splashes, and aftershaves, at oil concentrations ranging from 0.5% to 60%.

Other uses include color cosmetics, nail care, and hair care products. In nail polish and hair sprays, it acts as a plasticizer, helping the dried film remain flexible. In lipsticks, blushes, and foundations, it helps spread pigments evenly and adds shine. It is also used as a plasticizer in PVC and cellulose esters, as well as a specialty solvent in household cleaning products. Its use in flavors is limited, with typical concentrations of around 200 ppm in baked goods.

Diisopropyl Adipate Market Risks

Diisopropyl adipate demand rises and falls with personal care spending. Sun care demand is seasonal and weather-driven. Changing UV filter rules can shift sunscreen formulas toward or away from solvents like diisopropyl adipate. Natural and bio-based ester trends add pressure, since standard grades are made from petrochemical feedstocks. Competing light esters include dibutyl adipate, isopropyl myristate, C12-15 alkyl benzoate, and dicaprylyl carbonate.

The cost of diisopropyl adipate mainly depends on the prices of adipic acid and isopropyl alcohol. Trade policies can also affect production costs. In May 2026, the European Commission introduced definitive anti-dumping duties of 29.1% to 42.3% on adipic acid imported from China. These duties may increase feedstock costs for European ester manufacturers that rely on Chinese supplies. Production risks are relatively limited compared with those of many other chemicals, although isopropyl alcohol is highly flammable. Quality problems usually arise from high acid value, residual monoester, unwanted color or odor, and leftover alcohol.

Diisopropyl Adipate Production Process and Main Cost Drivers

The diisopropyl adipate production process runs from adipic acid and isopropyl alcohol receipt through acid-catalyzed esterification, water removal, catalyst neutralization, washing, alcohol stripping, vacuum distillation, deodorization, and filtration.

1. By Esterification of Adipic Acid with Isopropyl Alcohol: The main inputs are adipic acid, isopropyl alcohol, an acid or metal catalyst, a neutralizing alkali, nitrogen, steam, cooling water, and power.

Diisopropyl adipate production starts with charging adipic acid, excess isopropyl alcohol, and a catalyst to a stirred reactor. Common catalysts are strong acids such as p-toluenesulfonic acid, methanesulfonic acid, or sulfuric acid, along with titanate or tin compounds. Each acid group reacts with one isopropyl alcohol molecule, forming monoisopropyl adipate first and then the diester. Water forms in both steps and must be removed to push the reaction to completion. Isopropyl alcohol is a secondary alcohol, so it reacts more slowly than primary alcohols. Strong acids at high temperatures can also turn some of it into propylene and diisopropyl ether. Key control points are temperature, catalyst level, alcohol excess, water removal rate, and final acid value.

Water removal is the main design challenge. Isopropyl alcohol and water form an azeotrope of about 87.7% alcohol that boils near 80 degree Celsius. Wet alcohol from the reactor overhead therefore needs drying before reuse. Plants remove moisture using methods such as azeotropic distillation with an entrainer, pervaporation membranes, or molecular sieves. Once the reaction reaches the required acid value, the catalyst is neutralized using sodium carbonate or another mild alkali. The crude ester is washed, excess alcohol is stripped, and the product is distilled under vacuum. Steam deodorization, carbon treatment, and polishing filtration give a low-color, low-odor cosmetic grade. On a stoichiometric basis, one ton of diisopropyl adipate needs about 0.63 tons of adipic acid and 0.52 tons of isopropyl alcohol, and it releases about 0.16 tons of water.

Main Factors Affecting Diisopropyl Adipate Production Cost

According to the diisopropyl adipate production plant report, diisopropyl adipate production cost depends on adipic acid. Adipic acid supplies about 55% of the stoichiometric feed mass, or about 0.63 tons per ton of product. Nylon 6,6 production accounts for most global adipic acid demand, so ester manufacturers have limited control over its price. The quality of the acid, including its purity, crystal size, and moisture content, along with freight charges, affects the final delivered cost.

Isopropyl alcohol is the second major raw material, with around 0.52 tons required per ton of diisopropyl adipate before accounting for losses. Actual consumption is higher because some alcohol is lost during dehydration, purging, and drying. Based on August prices, adipic acid accounts for the larger share of feedstock costs, although isopropyl alcohol costs are also high.

Production yield and energy consumption also influence the overall cost of diisopropyl adipate. Production costs depend partly on how much diester is obtained from each batch and how much monoester must be recycled or removed. Drying the alcohol uses most of the steam, while stripping and vacuum distillation add to energy costs. Other expenses include the catalyst, neutralizing alkali, filter aids, nitrogen, and packaging materials such as drums and intermediate bulk containers (IBCs). In multipurpose ester plants, the time taken to complete each batch also affects how much product the plant can make. Every batch must go through several steps, including charging, heating, reaction, neutralization, washing, stripping, and distillation. Plant utilization is also important, as manufacturers often use the same reactors to produce several types of esters.

Raw Materials for Diisopropyl Adipate Production Plant and its Procurement

According to the diisopropyl production plant project report, raw material sourcing for diisopropyl adipate centers on adipic acid and isopropyl alcohol. Adipic acid is made by oxidizing cyclohexane-based KA oil with nitric acid. It ships as a white crystalline powder in bags, big bags, or bulk. Isopropyl alcohol comes from propylene hydration or acetone hydrogenation. It ships in drums, ISO tanks, and road tankers. Catalysts, sodium carbonate, nitrogen, filter aids, and packaging complete the inputs.

Raw material quality directly affects the quality of diisopropyl adipate. Water in isopropyl alcohol can slow the reaction and increase drying costs. Impurities such as color-forming substances, nitric acid residues, and metals in adipic acid may darken the final product. Impurities in isopropyl alcohol can also affect its odor and carry through into the ester. Cosmetic customers require low color, low odor, low acid value, and consistent batch records. Brand owners may also request allergen statements, residual solvent data, origin declarations, and regulatory documents.

Manufacturers generally source adipic acid from major nylon intermediate producers or chemical traders. Isopropyl alcohol is purchased through long-term contracts with regional producers and distributors. Incoming raw materials are tested for purity, moisture, color, acidity, and metal content. Supply agreements usually specify quality requirements, volumes, pricing terms, and delivery schedules. Since the European duties on Chinese adipic acid, sourcing adipic acid from more than one supplier has become increasingly important.

Sustainability and Regulatory Requirements

Diisopropyl adipate production is a relatively clean ester process, but it still raises fire, emission, and wastewater concerns. Isopropyl alcohol vapors need closed transfer, vapor balancing, condensers, and vent treatment. Recycling dried alcohol cuts both cost and emissions. Wash water carries salts, catalyst residues, and traces of alcohol and needs treatment before discharge. Upstream, adipic acid production releases nitrous oxide, a strong greenhouse gas, unless plants run abatement units. Buyers with climate targets now ask about the carbon footprint of both feedstocks.

Diisopropyl adipate regulation depends on market and use. The Cosmetic Ingredient Review panel has found it safe in cosmetics as used, with reported use levels from 0.005 to 8%. Toxicology data show low oral toxicity, no sensitization, no phototoxicity, and minimal skin irritation. It holds cosmetic approvals in the US, the EU, China, Japan, Korea, Canada, Australia, and Taiwan. In flavors, it carries FEMA GRAS number 4474. In Europe, it also falls under REACH.

CAPEX and OPEX for a Diisopropyl Adipate Production Plant

A diisopropyl adipate plant usually operates as a batch or semi-batch esterification unit. The main investment includes adipic acid storage, a solids charging system, and isopropyl alcohol storage tanks. The core equipment is a stainless steel or glass-lined reactor fitted with a jacket and agitator, along with a packed column and condenser. For alcohol drying, the plant may use an azeotropic column, a pervaporation unit, or molecular sieve beds. Downstream equipment includes a vessel for neutralization and washing, a stripper, a vacuum distillation unit, a deodorizer, and filters. Product storage tanks, drum and intermediate bulk container (IBC) filling systems, and nitrogen supply complete the main setup. Safety equipment includes flammable gas detectors, grounding systems, flame arrestors, and emergency pressure relief. The quality control laboratory needs gas chromatography, tests for acid and saponification values, color measurement, refractometry, and odor assessment.

Adipic acid and isopropyl alcohol account for the largest share of diisopropyl adipate operating costs. Other expenses include steam, electricity, cooling water, catalyst, and nitrogen. Fixed costs mainly cover operator and quality control staff salaries, maintenance, insurance, and regulatory support. The diisopropyl adipate plant setup cost depends on capacity, batch or continuous design, alcohol drying method, distillation capability & site integration. Cost per ton comes down to feedstock prices, alcohol losses, cycle time, and utilization.

Plant Location and Investment Factors

A suitable site for a diisopropyl adipate plant should be close to isopropyl alcohol suppliers and cosmetic manufacturers. Chemical parks with access to steam, cooling water, storage tanks, and solvent recovery facilities are a good fit. The plant also needs reliable transport links for receiving adipic acid by road, rail, or sea. Ports, warehouses, facilities for storing flammable liquids, and access to fire services are important. Being near personal care industry hubs in the United States, Western Europe, Japan, China, and India can help the plant reach customers more easily. Other key factors include skilled operators, a reliable steam supply, good road access, and wastewater treatment facilities.

For a diisopropyl adipate project, one of the main investment decisions is whether to build a multipurpose or dedicated plant. A multipurpose ester plant can switch between diisopropyl adipate, dibutyl adipate, isopropyl myristate, and other esters as demand changes. A dedicated production line may operate more efficiently but carries a greater risk if demand falls. Another decision is how to dry the alcohol. Membrane systems and molecular sieves require higher initial investment but can reduce steam consumption. Requirements for cosmetic-grade certification, odor control, and customer audits also influence the overall investment.

Major Diisopropyl Adipate Producing Regions

North America and Western Europe are major production centers for cosmetic esters such as diisopropyl adipate. Manufacturers in these regions supply large personal care brands and meet demand from local sunscreen and deodorant markets. Japan also has established cosmetic ester producers that serve customers at home and across Asia. In China, large-scale production of adipic acid and isopropyl alcohol supports a growing ester manufacturing industry. India's expanding personal care sector is creating more demand for locally produced cosmetic esters. Brazil, Mexico, South Korea, and Southeast Asia also contribute to demand, supported by their sizeable sunscreen and deodorant markets.

Key Diisopropyl Adipate Producers

Croda

• Sells diisopropyl adipate as Crodamol DA, an exceptionally low-viscosity emollient.
• Markets it as a solvent for lipophilic actives, dyestuffs & chemical sunscreens.
• Positions it as a plasticizer in nail varnish, hair spray & styling aids.
• Competes on a broad emollient ester range & global personal care reach.

Ashland

• Sells diisopropyl adipate as Ceraphyl 230 ester within its Ceraphyl emollient range.
• Positions it as an emollient, plasticizer, de-tackifier & coupling agent for hydroalcoholic products.
• Targets antiperspirants, deodorants, color cosmetics, hair care & sun care.
• Competes on formulation support & a long-standing cosmetic ester portfolio.

Lubrizol

• Sells diisopropyl adipate as Schercemol DIA ester.
• Markets it as a solvent and non-volatile carrier for aroma chemicals.
• Targets aftershaves, dry oil sprays, sun care, deodorants, lipsticks & hand lotions.
• Competes on a wide Schercemol ester range & its life science beauty business.

Hallstar

• Sells HallStar DIPA as a multifunctional emollient, coupler, solvent & plasticizer.
• Recommends use levels of 0.1 to 25% across skin, sun, fragrance & nail products.
• Ships it in 40 lb pails, 440 lb drums & 2,100 lb IBCs.
• Lists regulatory approvals in the US, the EU, China, Japan, Korea & other markets.

Symrise

• Sells diisopropyl adipate as IsoAdipate for skin care and decorative cosmetics.
• Markets it as an emollient with strong solvency for oil-soluble UV filters.
• Positions it as a softener in nail polish & hair sprays.
• Competes on links to its fragrance, flavor & cosmetic ingredient businesses.

Alzo International

• Sells diisopropyl adipate under the Dermol DIA and Wickenol 116 names.
• Markets it as a light, fast-drying emollient for hydroalcoholic, antiperspirant & deodorant products.
• Competes on a broad catalog of specialty cosmetic esters.