ICUMSA 100 Sugar: Specifications, Applications & Who Buys It

ICUMSA 100 sugar is the middle tier of refined white sugar — less refined than ICUMSA 45, more refined than ICUMSA 150. It's a grade that many buyers have heard of but few fully understand, and that's often by design: ICUMSA 100 occupies a specific market niche for buyers who need food-grade refined sugar but don't require the absolute whiteness or maximum purity of ICUMSA 45. For industrial food manufacturers, ingredient processors, and cost-conscious buyers in markets with flexible grade specifications, ICUMSA 100 delivers meaningful savings without compromising food safety or product quality.

This guide explains what ICUMSA 100 sugar is, its exact specifications, who buys it, and when it's the right grade for your operation.

What Is ICUMSA 100 Sugar?

ICUMSA 100 sugar is a refined white sugar with a color rating of ≤ 100 IU (ICUMSA Units) and sucrose purity (Pol) of ≥ 99.5%. It sits between ICUMSA 45 (the premium refined standard at Pol ≥ 99.8%) and ICUMSA 150 (the economy refined grade at Pol ≥ 99.0%). ICUMSA 100 is fully refined — it has gone through complete purification and decolorization — but does not achieve the absolute whiteness or maximum sucrose concentration of ICUMSA 45. It's food-safe, widely accepted in food manufacturing, and typically costs $15–$35 per metric ton less than ICUMSA 45.

For full context on how ICUMSA 100 fits into the broader grading system, see our full ICUMSA sugar rating.

ICUMSA 100 Specifications — The Full Technical Profile

ICUMSA 100 is defined by a specific set of quality parameters that distinguish it from both higher and lower refined grades.

Color, Purity & Appearance

The defining specifications are:

• ICUMSA color: ≤ 100 IU (measured at 420nm wavelength)

• Polarization (Pol%): ≥ 99.5%

• Appearance: White to off-white; may show a slight cream tint compared to ICUMSA 45

The color difference between ICUMSA 100 and ICUMSA 45 is subtle but visible when placed side by side. ICUMSA 100 is not as brilliantly white as ICUMSA 45 — it may appear slightly warmer or creamier in tone — but it's still distinctly white and acceptable for most food applications where absolute color uniformity is not critical.

The polarization of ≥ 99.5% indicates high sucrose purity. This is 0.3 percentage points lower than ICUMSA 45 (≥ 99.8%) but 0.5 points higher than ICUMSA 150 (≥ 99.0%). For most industrial food manufacturing, 99.5% Pol is more than sufficient — the difference in sweetness intensity or product performance is negligible.

Moisture, Ash & Other Parameters

Beyond color and Pol, ICUMSA 100 specifications typically include:

• Moisture: ≤ 0.05% (slightly higher tolerance than ICUMSA 45 at ≤ 0.04%)

• Ash content: ≤ 0.05% (tighter than ICUMSA 150 at ≤ 0.07%)

• Reducing sugars: ≤ 0.05% (between ICUMSA 45 at ≤ 0.03% and ICUMSA 150 at ≤ 0.10%)

• SO₂ (sulfur dioxide): ≤ 20 ppm (for markets requiring sulfite limits)

These secondary parameters matter for food safety, shelf stability, and processing performance. Moisture above 0.05% increases caking risk during storage. Elevated ash or reducing sugars can affect fermentation, crystallization behavior, and syrup clarity in industrial applications.

[IMAGE: Side-by-side comparison of ICUMSA 45 (bright white), ICUMSA 100 (white/off-white), and ICUMSA 150 (cream) in clear containers]

ICUMSA 100 vs ICUMSA 45 vs ICUMSA 150 — Where It Sits

The table below shows how ICUMSA 100 compares to the grades immediately above and below it.

Parameter	ICUMSA 45	ICUMSA 100	ICUMSA 150
Color (IU)	≤ 45	≤ 100	≤ 150
Polarization (Pol%)	≥ 99.8%	≥ 99.5%	≥ 99.0%
Appearance	Bright white	White to off-white	Off-white/cream
Moisture	≤ 0.04%	≤ 0.05%	≤ 0.06%
Ash content	≤ 0.04%	≤ 0.05%	≤ 0.07%
Reducing sugars	≤ 0.03%	≤ 0.05%	≤ 0.10%
Food-safe?	Yes	Yes	Yes
Primary market	Beverages, pharma, retail	Industrial food manufacturing	Industrial food manufacturing
Relative price	Highest	Medium	Lower

ICUMSA 100 specifications reflect the middle ground — tighter than ICUMSA 150 on every parameter, but not as demanding as ICUMSA 45.

For a detailed comparison of the two most common refined grades and when to choose each, see ICUMSA 45 vs 150.

Why ICUMSA 100 Exists — The Middle-Tier Market Gap

ICUMSA 100 was not created by accident — it exists to fill a specific market need. Some buyers require food-grade refined sugar but don't need the premium characteristics of ICUMSA 45. Others find ICUMSA 150 acceptable but want slightly better color consistency or purity than 150 provides. ICUMSA 100 serves both groups.

The grade emerged as refineries recognized that not all food manufacturing requires pharmaceutical-grade purity. A bakery producing bread or cookies doesn't need Pol 99.8% when 99.5% performs identically. An ingredient supplier blending dry mixes doesn't need ICUMSA 45 color when the sugar dissolves into an opaque product. But these buyers still want refined, food-safe sugar — they just don't want to pay the ICUMSA 45 premium.

ICUMSA 100 gives refineries a way to sell sugar that's slightly below ICUMSA 45 standards without dropping all the way to ICUMSA 150. It captures buyers who are willing to pay more than the ICUMSA 150 price for better quality, but unwilling to pay the full ICUMSA 45 premium when their application doesn't require it.

From a production standpoint, ICUMSA 100 is refined sugar that didn't quite hit ICUMSA 45 specs — perhaps the color came in at 80 IU instead of 45, or Pol tested at 99.6% instead of 99.8%. Rather than blend it down or reprocess it, refineries sell it as ICUMSA 100 at a mid-tier price. It's economically rational for both seller and buyer.

Who Buys ICUMSA 100 Sugar?

Industrial Food Manufacturers

The core market for ICUMSA 100 is large-scale food manufacturers producing products where sugar is an ingredient rather than a visible component. This includes:

• Industrial bakeries — bread, rolls, pastries, cakes

• Sauce and condiment producers — ketchup, BBQ sauce, dressings, marinades

• Canned and preserved foods — fruit in syrup, jams, pickles

• Dry ingredient processors — cake mixes, seasoning blends, baking powders

In these applications, the sugar dissolves, bakes, or blends into an opaque or cooked product where color is irrelevant. ICUMSA 100's slight cream tint compared to ICUMSA 45 has zero impact on the finished goods, but the cost savings at industrial volumes add up quickly.

Ingredient Processors & Bulk Food Suppliers

Buyers who repackage or distribute sugar as an ingredient to downstream food manufacturers often specify ICUMSA 100 as a cost-effective alternative to ICUMSA 45. These include:

• Ingredient distributors supplying industrial customers

• Co-packers producing private-label food products

• Contract manufacturers with flexible grade specifications

For these buyers, ICUMSA 100 hits the sweet spot: it meets food safety standards, satisfies most customer specifications, and delivers better margins than sourcing ICUMSA 45.

Markets Where ICUMSA 45 Is Cost-Prohibitive

In some regional markets — particularly in Africa, parts of Asia, and Latin America — ICUMSA 45 trades at significant premiums due to import costs, limited supply, or tariff structures. In these markets, ICUMSA 100 and ICUMSA 150 capture demand from buyers who would prefer ICUMSA 45 but find the landed cost unaffordable.

ICUMSA 100 functions as the premium refined grade in these markets, selling at a premium to ICUMSA 150 while remaining substantially cheaper than imported ICUMSA 45.

Common Applications for ICUMSA 100

ICUMSA 100 is used in food manufacturing applications where:

• Sugar is cooked, baked, or processed into an opaque product (color doesn't matter)

• Formulations don't require Pol 99.8% for consistency (99.5% is sufficient)

• Food safety and refined grade classification are mandatory (raw sugar is not acceptable)

• Cost per tonne matters more than absolute premium quality

Specific use cases include:

• Baking and confectionery — cookies, brownies, cakes, pastries, hard candies

• Sauces and syrups — where sugar dissolves into dark or opaque liquids

• Processed foods — cereals, granola bars, snack foods with sugar coatings

• Ingredient blends — dry mixes where sugar is one component among many

ICUMSA 100 is not typically used in:

• Clear beverages (carbonated drinks, bottled water with sugar, clear syrups) — color variation would be visible

• Pharmaceutical manufacturing — requires Pol 99.8% minimum for formulation accuracy

• Retail consumer sugar — supermarket buyers in most markets specify ICUMSA 45

ICUMSA 100 Pricing — The Cost Advantage vs ICUMSA 45

ICUMSA 100 typically trades at a discount of $15–$35 per metric ton versus ICUMSA 45, depending on origin, market conditions, and contract terms. In percentage terms, this represents roughly a 2–4% cost reduction compared to ICUMSA 45 pricing.

For a buyer purchasing 1,000 tonnes per month, the savings are:

• At $20/MT discount: $20,000 per month ($240,000 annually)

• At $30/MT discount: $30,000 per month ($360,000 annually)

These savings scale linearly with volume. For large food manufacturers purchasing 5,000–10,000 MT per month, the annual savings from switching from ICUMSA 45 to ICUMSA 100 can reach $1–2 million — assuming the application supports the lower grade.

The discount exists because ICUMSA 100 requires slightly less refining than ICUMSA 45 (or represents sugar that didn't quite meet ICUMSA 45 specs), and because it serves a price-sensitive industrial market where buyers actively compare grade options. Refineries price ICUMSA 100 to be attractive versus ICUMSA 45 while maintaining a premium over ICUMSA 150.

From a buyer's perspective, the question is whether your application genuinely requires ICUMSA 45 or if ICUMSA 100 would perform identically. If the answer is the latter, the cost savings are real and immediate.

Is ICUMSA 100 the Right Grade for Your Business?

Use this framework to decide:

Choose ICUMSA 100 if:

• You're supplying industrial food manufacturers with flexible grade specifications

• Your product is cooked, baked, or blended into an opaque finished good where sugar color is invisible

• Your formulation works with Pol 99.5% (most do)

• You've confirmed your destination market permits ICUMSA 100 for food-grade imports

• Cost per tonne is a significant factor in your procurement decision

Stick with ICUMSA 45 if:

• Your product is a clear or light-colored beverage where sugar color would be visible

• You're supplying pharmaceutical or nutraceutical manufacturers

• Your buyer's contract explicitly specifies ICUMSA 45 and won't accept substitution

• Your destination market regulations require ICUMSA 45 for food-grade refined sugar imports

Consider ICUMSA 150 if:

• Your application is entirely industrial and you can accept Pol 99.0%

• You need the absolute lowest cost refined grade available

• Your market permits ICUMSA 150 for food use (verify regulatory requirements)

For a full comparison of all refined grades and raw grades across the entire scale, see all ICUMSA grades.

Source ICUMSA 100 Sugar

ICUMSA 100 delivers the quality of refined white sugar at a cost point that makes sense for industrial food manufacturing. It's food-safe, widely available, and offers meaningful savings for buyers whose applications don't require the absolute premium characteristics of ICUMSA 45.

Visit our sugar products page to see available grades, specifications, and origins. We supply ICUMSA 100 on FOB, CIF, and CFR terms with full SGS inspection and documentation.

Have specific volume or delivery requirements? Contact us to request a quote — we'll respond with pricing, available origins, and grade recommendations for your application within 24 hours.