oxalic acid
Launch itA $1.2M/yr market growing +4.3% this quarter with returns at 0.4% — clears our launch bar.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Avg price
Incredible$29.83avg listing price — sweet spot $15–$100
Conversion
Great9.2%search→purchase rate — share of searches ending in a sale
Market size
Great$1.2M$1.2M/yr · 450K searches
Brand share
Good66%top-5 brand share — brands hold most of the demand
Review moat
Good940.07avg incumbent reviews — the moat a new listing must climb
Price range
Good$9.73–$147.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Growth
Okay+4.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, oxalic acid is a $1.2M/yr Amazon United States market (450K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Mar–Apr–May. Verdict: Launch it — 70/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
oxalic acid market data
- Units sold / yr
- 30K–40K
- avg 1,250–1,500/product
- Revenue / yr
- $895K–$1.2M
- units × avg price
- Conversion rate
- 9.2%
- Avg BSR
- #1,760
- Page quality
- 0%
- Prime
- 76%
- Sponsored
- 90%
- Out of stock
- 15.9%
- Avg brand age
- 70 months
- Avg seller age
- 157 days
Competition & brand share
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
50
Top-5 brand share
66%
Top 20: 100%
Top-5 click share
54%
Top 20: 91%
Open market
29%
- Ecoxall19%
- ECO LIVING SOLUTIONS17%
- CrystalClearlab Chlorine Dioxide13%
- PuraMinz9%
- MAXTITE8%
- Chemwell5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +4.3% search growth over the last 90 days.Peak months: Mar, Apr, May · busiest ÷ quietest = 6.3×
Top oxalic acid search terms
- oxalic acid249K/yr
- oxalic acid powder87K/yr
- oxalic acid cleaner49K/yr
- oxalic-acid18K/yr
- oxalic acid wood bleach17K/yr
- oxalic acid powder for cleaning5K/yr
- wood bleach oxalic acid3K/yr
- acido oxalico4K/yr
- oxalic4K/yr
- oxalic acid for wood6K/yr
Top oxalic acid 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ECO LIVING SOLUTIONS Oxalic Acid 99.9% Deck Stain Remover & Wood Stain Remover | Metal Cleaning & Rust Stain Removal - 12 Oz
ECO LIVING SOLUTIONS$9.734.0★272 rev
CrystalClearlab Chlorine Dioxide Oxalic Acid Powder - 99.6% Pure - Wood Bleach Industrial Grade Cleaner 2lb White (Bag of 1)
CrystalClearlab Chlorine Dioxide$17.294.1★49 rev
Ecoxall Oxalic Acid for Wood Bleach - 1 lbs 99.9% Pure Fine Powder - Highly Effective Multipurpose Cleaner - Used as a Wood Stain Remover and Rust Remover - Industrial Grade Strength
Ecoxall$19.204.4★1,153 rev
Oxalic Acid (2 lbs) 99.6% Pure - Multipurpose Cleaner and Stain Remover for Wood | Metal | Stone | Concrete - Rust Remover - Wood Restorer - Deck Cleaner - (C2H2O4) - Durable Resealable Packaging.
PuraMinz$16.814.6★227 rev
Ecoxall Oxalic Acid for Wood Bleach - 99.9% Pure Fine Powder - 2 lbs - Highly Effective Multipurpose Cleaner - Used as a Wood Stain Remover and Rust Remover - Industrial Grade Strength
Ecoxall$19.894.4★1,153 rev
Newest
by launch date
Jiexily Oxalic Acid Cleaner Spray 2026 New Powerful Stain Remover Multipurpose Stain Remover Spray for Bathroom Porcelain and Ceramic Tiles 100ml/3.38fl.oz (1 Pcs)
Jiexily$9.883 rev
2026 Upgraded Oxalic Acid Cleaner Spray Oxalic Acid Powerful Stain Cleaner Multipurpose Stain Remover Spray for Bathroom Multi-surface Rust Remover for Bathtub Porcelain Tiles (2PC)
Generic$17.6211 rev
ZLverdeza 2026 Upgraded Oxalic Acid Cleaner Spray Oxalic Acid Powerful Stain Cleaner Powerful Stain Removal Spray for Bathroom Multi-surface Rust Remover for Bathtub Porcelain Tiles (1PC)
ZLverdeza$9.9113 rev
Yicengy 2 Bottle Oxalic Acid Cleaner Powerful Stain Removal Spray for Bathroom Oxalic Acid Cleaner Spray Multipurpose Stain Remover Spray for Bathroom-100ml/3.38fl.oz
Yicengy$15.3041 rev
Eaton Kang 2 Bottle Oxalic Acid Cleaner 2026 Upgraded Oxalic Acid Cleaner Spray Oxalic Acid Powerful Stain Cleaner Multipurpose Stain Remover Spray For Bathtub Porcelain Tiles
Eaton Kang$15.1021 rev
Trending
90-day click momentumJiexily Oxalic Acid Cleaner Spray 2026 New Powerful Stain Remover Multipurpose Stain Remover Spray for Bathroom Porcelain and Ceramic Tiles 100ml/3.38fl.oz (1 Pcs)
Jiexily$9.881.8★
2026 Upgraded Oxalic Acid Cleaner Spray Oxalic Acid Powerful Stain Cleaner Multipurpose Stain Remover Spray for Bathroom Multi-surface Rust Remover for Bathtub Porcelain Tiles (2PC)
Generic$17.622.6★
2Pcs Powerful Oxalic Acid Cleaner Multipurpose Home Cleaning Spray for tiles toilets sinks bathtubs and other hard surfaces 120ml/4 fl.oz
Generic$13.282.7★
Eaton Kang 2 Bottle Oxalic Acid Cleaner 2026 Upgraded Oxalic Acid Cleaner Spray Oxalic Acid Powerful Stain Cleaner Multipurpose Stain Remover Spray For Bathtub Porcelain Tiles
Eaton Kang$15.102.6★
Yicengy 2 Bottle Oxalic Acid Cleaner Powerful Stain Removal Spray for Bathroom Oxalic Acid Cleaner Spray Multipurpose Stain Remover Spray for Bathroom-100ml/3.38fl.oz
Yicengy$15.301.9★
What buyers say about oxalic acid
What buyers praise and complain about, mined from review topics.What buyers love
“Cleaning with ease”
“Very effective product”
“As advertised”
“Works good”
“Easy to use”
“Worth it”
“Effective on rust stains”
“added a nice shine”
“Shower looks brand new”
“It's so effective at stain removal”
What buyers complain about
“not effective”
“Not worth it”
“It did not work stain remain”
“To small”
“a candle jar lid rusted”
“The cleaner is not very powerful”
“Arrive broken and leaked everywhere”
“False advertising”
“Garbage pure garbage”
“Use gloves cause it is really hard on hands”
Top return reasons
Common questions
- Is oxalic acid profitable to sell on Amazon United States?
- The niche generates $1.2M/yr across 29 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +4.3%. Flapen's verdict: Launch it (70/100).
- How competitive is the oxalic acid niche?
- 17 brands and 50 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in oxalic acid?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Stain Resistance. The return rate is 0.4%.
- When does demand for oxalic acid peak?
- Demand peaks in Mar–Apr–May; the busiest month runs 6.3× the quietest.
- What does it cost to enter the oxalic acid niche?
- Listings span $9.73–$147.40; the average listing price is $29.83 (sweet spot $15–$100). The average incumbent carries 940 reviews — the moat a new listing must climb.