How Ethanol Is Made From Sugarcane?

TL;DR: India produced 6,610 million litres of ethanol in FY25, up from just 380 million litres a decade earlier, and sugarcane now supplies just over a third of that volume. Grain has overtaken sugarcane as the country’s leading ethanol feedstock, largely on faster distillery capacity growth. Buyers sourcing industrial ethanol should check purity grade and lab documentation, not just the price per litre.

Ethanol from sugarcane powers India’s fuel-blending programme and supplies chemical, pharma, and cosmetics manufacturers as an industrial solvent. The provided information is meant for chemical processors and industrial buyers evaluating ethanol as a feedstock or input material. India’s ethanol production grew from 380 million litres in 2014 to 6,610 million litres by June 2025 (Indian Sugar & Bio-energy Manufacturers Association). Understanding the production route and purity grade behind your supply matters before you place an order.

What Is Ethanol? Definition, Meaning, and Industrial Uses

Ethanol, also called ethyl alcohol (CAS No. 64-17-5), is a colourless, flammable liquid produced by fermenting sugars from plant sources such as sugarcane, molasses, or grain. Yes, ethanol is a form of alcohol, specifically the type used in beverages, fuel, and industrial solvents, distinct from methanol or isopropyl alcohol. It is one of the most widely traded industrial chemicals in India.

Ethanol serves three broad industrial uses. As a fuel, it blends with petrol under India’s Ethanol Blended Petrol (EBP) programme. As a solvent, it goes into paints, coatings, adhesives, and cosmetics formulations. As a pharmaceutical input, it is used in sanitizers, tinctures, and drug formulations under IP, BP, or USP purity grades. A paint manufacturer sourcing solvent-grade ethanol, for instance, needs a different purity specification than a fuel distributor sourcing anhydrous ethanol for blending.

Read about: 8 Products Extracted from Sugarcane

Types of Ethanol and Their Industrial Grades

Ethanol is graded by purity and end use, and each grade follows a different specification. The table below sets out the four commercially significant grades traded in India.

Denatured ethanol carries a bittering or toxic additive that makes it unfit for consumption. This exemption is what allows industrial buyers to source it without excise duty on potable alcohol. Always confirm the denaturant used, since some downstream chemical processes are sensitive to specific additives.

How Is Ethanol Produced From Sugarcane? 

Ethanol is made from sugarcane through five steps: harvesting, juice extraction, fermentation, distillation, and dehydration. This is the same sequence whether you describe it as how ethanol is produced, made, or extracted from sugarcane. Sugarcane is harvested and crushed to release a sugar-rich juice, which yeast ferments into a dilute alcohol solution. Distillation then concentrates this into rectified spirit, and dehydration removes the remaining water to produce anhydrous, fuel-grade ethanol.

1. Harvesting: Sugarcane stalks are cut and transported to the mill. In India, only about 4% of cane is harvested mechanically, with the rest relying on manual labour.
2. Juice extraction: Mills crush the harvested cane to extract a sugar-rich juice, separating it from the fibrous bagasse left behind.
3. Fermentation: Yeast converts the sugars in the juice into ethanol and carbon dioxide. Distilleries run this step as batch, fed-batch, or continuous fermentation, depending on their scale.
4. Distillation: The fermented broth is distilled to concentrate the ethanol, typically yielding rectified spirit at around 94–96% purity.
5. Dehydration: For fuel-blending use, rectified spirit undergoes further dehydration to remove residual water. This produces anhydrous ethanol at 99.5%+ purity, matching IS 15464:2004.

This five-step sequence is the ethanol making process from sugarcane used across Indian distilleries, whether the output feeds fuel blending or industrial solvent demand.

Fermentation methods, in more detail: Batch fermentation processes a fixed volume of juice in a closed tank until ethanol concentration peaks. Fed-batch fermentation adds substrate gradually during the run to sustain output. Continuous fermentation runs a constant inflow of juice and outflow of fermented broth, which suits large, steady-state distilleries.

When molasses or grain is the feedstock instead of fresh cane juice, an added hydrolysis step comes first. This breaks down starch or residual sucrose into fermentable sugars. Lignin, a fibrous by-product of grain-based feedstock, is often recovered and burned to power the distillery itself.

Sugarcane vs Grain: India’s Two Ethanol Feedstock Routes

India produces ethanol through two feedstock routes: sugarcane-based (juice and molasses) and grain-based (mainly maize). In the first half of ESY 2025–26, grain supplied roughly 65% of India’s ethanol, with maize alone contributing 182 crore litres. Sugarcane-based sources, including cane juice and B-heavy and C-heavy molasses, supplied the remaining 35% (AIDA industry data).

This is a meaningful shift from the programme’s early years, when sugarcane and molasses were the dominant feedstock. Grain-based ethanol draws on starch fermentation rather than direct sugar fermentation, and mills have scaled it faster due to more flexible sourcing. Buyers evaluating long-term ethanol supply contracts should ask which feedstock route their supplier uses, since it affects both pricing and seasonal availability.

Learn About: How Sugar is Manufactured?

How to Verify Ethanol Quality Before Purchase?

Verify ethanol quality by checking the Certificate of Analysis (COA) for purity percentage, moisture content, and denaturant type. Ask for a valid Material Safety Data Sheet (MSDS) alongside it. A supplier who cannot produce both documents for a specific batch is a quality risk for any industrial buyer.

Checks to run before accepting a bulk ethanol shipment:

• Purity percentage (v/v): Confirm the grade matches your process requirement; solvent use typically needs 94–96%, while fuel blending needs 99.5%+ anhydrous ethanol.
• MSDS availability: Mandatory supplier criterion for any industrial chemical shipment, per standard procurement practice.
• Denaturant declaration:  For denatured ethanol, confirm which denaturant was used and its concentration.
• CAS number and batch COA: Cross-check CAS 64-17-5 and batch-specific purity data against the supplier’s documentation.
• Storage and handling compliance: Ethanol is flammable; confirm the supplier follows CPCB and fire-safety norms for storage and transport.

How to Buy Industrial Ethanol: A Procurement Checklist?

Buying industrial ethanol in bulk follows five steps: confirm the grade, evaluate suppliers, verify documentation, negotiate pricing, and confirm logistics.

1. Confirm the grade: Match purity (rectified spirit, ENA, anhydrous, or denatured) to your process requirement before contacting suppliers.
2. Evaluate suppliers: Check feedstock route (sugarcane or grain), production capacity, and consistency of past batch quality.
3. Verify documentation: Request a Certificate of Analysis and MSDS for every batch, not just at the start of the relationship.
4. Negotiate pricing: Confirm the price basis (ex-distillery or ex-warehouse), and clarify GST and transport costs separately.
5. Confirm logistics: Ethanol is a hazardous liquid for transport purposes, so confirm the supplier’s compliance with relevant transport and storage norms.

What Determines Ethanol Prices in India?

Ethanol prices in India move differently depending on the buyer. Fuel-grade ethanol supplied to oil marketing companies (OMCs) follows a government-fixed ex-mill price by feedstock, revised annually. Industrial-grade ethanol for chemical, pharma, and solvent use trades in a separate, unregulated open market.

Price drivers for industrial-grade ethanol:

• Feedstock cost: Sugarcane, molasses, and grain prices set the base cost for any distillery.
• Purity grade: Anhydrous and pharma-grade ethanol carry a premium over rectified spirit due to additional distillation and dehydration steps.
• Regulatory demand: Rising blending targets under the EBP programme pull supply toward fuel-grade ethanol, tightening availability for industrial buyers.
• Seasonal cane crushing: Sugarcane-based ethanol supply peaks during the October–April crushing season and tapers in the off-season.

Government-fixed ex-mill price by feedstock (ESY 2025–26, effective through October 2026):

These prices are indicative as of the ESY 2025–26 cycle, announced in July 2026, and exclude GST and transportation. They apply specifically to ethanol procured by OMCs under the EBP programme. Industrial-grade ethanol for chemical and pharma use is priced separately in the open market and is not bound by this schedule.

All prices are indicative as of July 2026, on an ex-mill basis, and subject to market fluctuations and government revision. OFB does not currently list ethanol as a product; contact OFB for current methanol and bulk chemical pricing.

Ethanol Blending in India: E20 and the New E22–E30 Standards

E20 refers to petrol blended with 20% ethanol. India reached this target in July 2025, five years ahead of its original 2030 deadline (Indian Sugar & Bio-energy Manufacturers Association). The number after the “E” states the ethanol share in the fuel blend, so E20 means 20% ethanol and 80% petrol by volume.

Anhydrous ethanol used in this blend must meet IS 15464:2004, and the finished E20 fuel mixture is specified under IS 17021:2018. In May 2026, the Bureau of Indian Standards notified specifications for four higher blends: E22, E25, E27, and E30. This lays the technical groundwork for blend ratios beyond E20, and each standard defines fuel composition and vehicle compatibility requirements.

The blending programme has scaled quickly since starting at 1.5% in 2014. Industry data attributes roughly 69.8 million tonnes of avoided carbon dioxide emissions to the programme’s growth through mid-2025. It also credits the programme with over ₹1,36,000 crore in foreign exchange savings over the same period (ISMA, via IBEF). This demand growth is also why grain has overtaken sugarcane as India’s leading feedstock. Distilleries have simply scaled grain-based capacity faster to meet rising blending targets.

How OFB Support Industrial Alcohol and Solvent Buyers?

OFB does not currently list ethanol as a tradable product on its platform. Buyers sourcing industrial alcohols more broadly can access methanol through OFB’s Bulk Chemicals category, alongside other bulk chemicals such as acetic acid and phenol.

Methanol and ethanol are chemically distinct and are not interchangeable. Methanol (CAS 67-56-1) is produced from syngas rather than fermentation, and it is toxic if ingested, unlike ethanol. The two share a few industrial solvent applications, such as certain paint and coatings formulations. Methanol cannot substitute for ethanol in pharmaceutical, beverage, or fuel-blending uses. Always confirm the correct chemical for your process before ordering either one.

OFB’s supplier network for methanol undergoes quality and compliance verification, and buyers can request MSDS and batch-specific documentation at the point of order. Large bulk chemical orders can also be procured on OFB’s integrated procurement credit facility through Oxyzo Financial Services, an RBI-registered NBFC. This lets buyers preserve working capital against a live production schedule.

Conclusion

Match the ethanol grade to your process before you order. Verify the Certificate of Analysis and MSDS for every batch, rather than relying on price alone. For methanol and other bulk industrial chemicals, explore OFB’s Bulk Chemicals category. Apply for procurement credit through Oxyzo to secure supply without straining working capital.