Is sodium hydroxide profitable to sell on Amazon United States?

The niche generates $1.0M/yr across 9 tracked products. 90-day search growth is -12.2%. Flapen's verdict: Skip it (46/100).

How competitive is the sodium hydroxide niche?

6 brands and 12 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in sodium hydroxide?

Top complaints mined from reviews: Functionality-Overall, Jamming/Clogging, Drainage. The return rate is 0.1%.

When does demand for sodium hydroxide peak?

Demand peaks in Jan–Sep–Oct–Nov; the busiest month runs 2.3× the quietest.

What does it cost to enter the sodium hydroxide niche?

Listings span $4.61–$151.55; the average listing price is $36.17 (sweet spot $15–$100). The average incumbent carries 2,194 reviews — the moat a new listing must climb.

sodium hydroxide

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Incredible$36.17

avg listing price — sweet spot $15–$100

Market size

Great$1.0M

$1.0M/yr · 406K searches

Conversion

Great7.0%

search→purchase rate — share of searches ending in a sale

Price range

Good$4.61–$151.55

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Okay2,193.78

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-12.2%

90-day search growth — must beat 0% to launch

Competition

Bad87%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, sodium hydroxide is a $1.0M/yr Amazon United States market (406K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Sep–Oct–Nov. Verdict: Skip it — 46/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

sodium hydroxide market data

Units sold / yr: 30K–40K; avg 3,000–4,000/product
Revenue / yr: $1.1M–$1.4M; units × avg price
Conversion rate: 7.0%
Avg BSR: #61
Page quality: 0%
Prime: 89%
Sponsored: 56%
Out of stock: 0.0%
Avg brand age: 60 months
Avg seller age: 157 days

Competition & brand share

The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

Belle Chemical55%
Miilex13%
BRJR11%
Duda Energy8%
ALDON6%
Instant Power6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.2% search growth over the last 90 days.

Peak months: Jan, Sep, Oct, Nov · busiest ÷ quietest = 2.3×

Open Trend

Top sodium hydroxide search terms

sodium hydroxide216K/yr -5.6%5.6% conv.
food grade lye43K/yr -11.4%6.8% conv.
sodium hydroxide for soap making49K/yr -39.8%5.4% conv.
food grade lye for pretzels8K/yr +90.1%6.9% conv.
lye food grade17K/yr -22.7%6.9% conv.
sodium hydroxide food grade15K/yr -9.8%7.4% conv.
naoh9K/yr -8.7%3.3% conv.
sodium hydroxide lye7K/yr +19.3%5.3% conv.
food grade sodium hydroxide8K/yr -8.7%6.3% conv.
hidrxido de sodio5K/yr -25.4%1.5% conv.

All search terms

Top sodium hydroxide products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Sodium Hydroxide - Pure - Food Grade (Caustic Soda Lye) (2 Pound Jar)

Belle Chemical$16.264.8★8,247 rev

The Boyer Corporation Lye for Soap Making Sodium Hydroxide Pure High Test Lye Food Grade Caustic Soda Drain Cleaner and Clog Remover 2.2 lbs.

BRJR$22.124.8★1,768 rev

Food Grade Lye Sodium Hydroxide - 100% Pure 100% Caustic Soda Food Grade Lye for Soap Making Kosher Certified | Soap Making Drain Cleaning and Culinary Use (2lbs or 907g)

Miilex$23.824.5★301 rev

Sodium Hydroxide - Pure - Food Grade (Lye Caustic Soda) (10 Pounds)

Belle Chemical$49.954.8★1,317 rev

Sodium Hydroxide Solution 0.1M 1L - The Curated Chemical Collection

ALDON$19.794.0★96 rev

Newest

by launch date

Food Grade Lye Sodium Hydroxide - (1lbs or 453g) 100% Pure Caustic Soda Drain Cleaning Soap Making Culinary Use Pretzels Textiles Granules

Miilex$14.98212 rev

1y ago

Food Grade Lye Sodium Hydroxide - 100% Pure 100% Caustic Soda Food Grade Lye for Soap Making Kosher Certified | Soap Making Drain Cleaning and Culinary Use (2lbs or 907g)

Miilex$23.82301 rev

2y ago

The Boyer Corporation Lye for Soap Making Sodium Hydroxide Pure High Test Lye Food Grade Caustic Soda Drain Cleaner and Clog Remover 2.2 lbs.

BRJR$22.121,768 rev

5y ago

Sodium Hydroxide - Pure - Food Grade (Lye Caustic Soda) (10 Pounds)

Belle Chemical$49.951,317 rev

6y ago

50 lb Pail Red Hot Devil Lye Sodium Hydroxide Import Material High Grade Caustic Soda Beads

Duda Energy$151.552,729 rev

6y ago

What buyers say about sodium hydroxide

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall24%

“Better than other similar items”

Value For Money16%

“good value”

Efficiency12%

“works great for soap”

Ease Of Use10%

“Easy to use”

Advertised Vs Actual Product9%

“As Advertised”

Ease Of Cleaning5%

“this cleaned it”

Jamming/Clogging4%

“Best clog remover ever”

Size-Overall3%

“Perfect fit”

Strength1%

“It is powerful”

Gifting Purpose1%

“Gift wrapped please”

What buyers complain about

Functionality-Overall33%

“Did not work”

Jamming/Clogging14%

“Burns through tough clogs”

Drainage8%

“Had a slow drain”

Value For Money7%

“Cheap Product Expensive Plumber”

Ease Of Cleaning5%

“Poor cleaning performance”

Quality-Overall4%

“Cheap, Horrible product”

Advertised Vs Actual Product3%

“misleading”

Size-Overall3%

“Not good for smaller hands”

Smell2%

“Upon checking thee toilet which is filled with rotting poop, pee and toilet paper that look and smell like sewer”

Spray/Flow2%

“the line still is not responding with full flow”

Top return reasons

Functionality-Overall43%

Advertised Vs Actual Product23%

Value For Money15%

Strength10%

Leak-Proof10%

Common questions

Is sodium hydroxide profitable to sell on Amazon United States?: The niche generates $1.0M/yr across 9 tracked products. 90-day search growth is -12.2%. Flapen's verdict: Skip it (46/100).
How competitive is the sodium hydroxide niche?: 6 brands and 12 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in sodium hydroxide?: Top complaints mined from reviews: Functionality-Overall, Jamming/Clogging, Drainage. The return rate is 0.1%.
When does demand for sodium hydroxide peak?: Demand peaks in Jan–Sep–Oct–Nov; the busiest month runs 2.3× the quietest.
What does it cost to enter the sodium hydroxide niche?: Listings span $4.61–$151.55; the average listing price is $36.17 (sweet spot $15–$100). The average incumbent carries 2,194 reviews — the moat a new listing must climb.