---
title: "Oxalic Acid — $1.2M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/oxalic-acid"
last_updated: "2026-08-12T02:59:51.528Z"
locale: en
meta:
description: "Niche score 70/100 · $1.2M/yr market · 450K searches/yr · $29.83 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 70/100 · $1.2M/yr market · 450K searches/yr · $29.83 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Oxalic Acid — $1.2M/yr Amazon US Niche (2026) - Flapen"
---
# **oxalic acid**
**Launch it**
A $1.2M/yr market growing +4.3% this quarter with returns at 0.4% — clears our launch bar.
Market size 82Growth 30Conversion 84Competition 52Returns 98Price range 62Avg price 95Brand share 64Review moat 64Quality gap 95
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Incredible****$29.83**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****9.2%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$1.2M**
$1.2M/yr · 450K searches
**Brand share**
**Good****66%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Good****940.07**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$9.73–$147.40**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+4.3%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
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 ~~](https://flapen.com/research/methodology)
## **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.
35K25KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr, May · busiest ÷ quietest = 6.3×
[**Open Trend **](https://flapen.com/research/us/health-household/oxalic-acid/trend)
## **Top oxalic acid search terms**
- **oxalic acid**249K/yr+6.7%7.0% conv. - **oxalic acid powder**87K/yr+1.9%7.4% conv. - **oxalic acid cleaner**49K/yr+3.4%5.6% conv. - **oxalic-acid**18K/yr-34.3%3.1% conv. - **oxalic acid wood bleach**17K/yr+4.3%9.9% conv. - **oxalic acid powder for cleaning**5K/yr+45.3%6.4% conv. - **wood bleach oxalic acid**3K/yr+833.0%8.8% conv. - **acido oxalico**4K/yr+11.9%2.9% conv. - **oxalic**4K/yr+60.1%3.8% conv. - **oxalic acid for wood**6K/yr-51.1%7.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/oxalic-acid/search-terms)
## **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.
0%5%$62K10%$124K15%$186K20%$248K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ECO LIVING SOLUTIONS Oxalic Acid 99.9% Deck Stain Remover & Wood Stain Remover | Metal Cleaning & Rust Stain Removal - 12 Oz**ECO LIVING SOLUTIONS**$9.73**4.0★272 rev](https://www.amazon.com/dp/B0DCYX2PJ7) [2**CrystalClearlab Chlorine Dioxide Oxalic Acid Powder - 99.6% Pure - Wood Bleach Industrial Grade Cleaner 2lb White (Bag of 1)**CrystalClearlab Chlorine Dioxide**$17.29**4.1★49 rev](https://www.amazon.com/dp/B0C5B6QQLB) [3**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**$19.20**4.4★1,153 rev](https://www.amazon.com/dp/B0CHWWNHJB) [4**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**$16.81**4.6★227 rev](https://www.amazon.com/dp/B0D698QCXP) [5**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**$19.89**4.4★1,153 rev](https://www.amazon.com/dp/B07DJX11YN)
**~~View all top sellers →~~**
### **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**$9.88**3 rev1mo ago](https://www.amazon.com/dp/B0H3F7ZGYM) [**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**$17.62**11 rev3mo ago](https://www.amazon.com/dp/B0GXW5WQ8F) [**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**$9.91**13 rev3mo ago](https://www.amazon.com/dp/B0GWLVFWBD) [**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**$15.30**41 rev3mo ago](https://www.amazon.com/dp/B0GWHG8DXJ) [**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**$15.10**21 rev3mo ago](https://www.amazon.com/dp/B0GWHQD4D6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$9.88**1.8★**▲ 157%**](https://www.amazon.com/dp/B0H3F7ZGYM) [**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**$17.62**2.6★**▲ 156%**](https://www.amazon.com/dp/B0GXW5WQ8F) [**2Pcs Powerful Oxalic Acid Cleaner Multipurpose Home Cleaning Spray for tiles toilets sinks bathtubs and other hard surfaces 120ml/4 fl.oz**Generic**$13.28**2.7★**▲ 155%**](https://www.amazon.com/dp/B0GWCH6R1R) [**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**$15.10**2.6★**▲ 154%**](https://www.amazon.com/dp/B0GWHQD4D6) [**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**$15.30**1.9★**▲ 153%**](https://www.amazon.com/dp/B0GWHG8DXJ)
**~~View all trending →~~**
## **What buyers say about oxalic acid**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Cleaning**25%
*“Cleaning with ease”*
**Quality-Overall**17%
*“Very effective product”*
**Advertised Vs Actual Product**10%
*“As advertised”*
**Efficiency**9%
*“Works good”*
**Ease Of Use**6%
*“Easy to use”*
**Value For Money**5%
*“Worth it”*
**Rusts/Corrodes**3%
*“Effective on rust stains”*
**Brightness/Shine/Glow**3%
*“added a nice shine”*
**Product Condition**1%
*“Shower looks brand new”*
**Stain Resistance**1%
*“It's so effective at stain removal”*
### **What buyers complain about **
**Functionality-Overall**19%
*“not effective”*
**Value For Money**10%
*“Not worth it”*
**Stain Resistance**10%
*“It did not work stain remain”*
**Size-Overall**10%
*“To small”*
**Rusts/Corrodes**7%
*“a candle jar lid rusted”*
**Ease Of Cleaning**7%
*“The cleaner is not very powerful”*
**Leak-Proof**4%
*“Arrive broken and leaked everywhere”*
**Advertised Vs Actual Product**3%
*“False advertising”*
**Quality-Overall**3%
*“Garbage pure garbage”*
**Ease Of Use**2%
*“Use gloves cause it is really hard on hands”*
### **Top return reasons **
**Leak-Proof**27%
**Value For Money**24%
**Functionality-Overall**12%
**Cleaning Modes**8%
**Advertised Vs Actual Product**7%
**Size-Overall**6%
**Ease Of Cleaning**3%
**Defective Material/Parts**2%
**Stain Resistance**2%
**Wet Cleaning**1%
## **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.
## **Related niches in Health & Household**
- 76 [**cedar oil**](https://flapen.com/research/us/health-household/cedar-oil)$1.2M/yr+214.4%**Launch it**- 77 [**nutrapure glp1 cutting mix**](https://flapen.com/research/us/health-household/nutrapure-glp1-cutting-mix)$149K/yr+940.2%**Worth a look**- 77 [**dexcom g7**](https://flapen.com/research/us/health-household/dexcom-g7)$2.0M/yr+39.9%**Launch it**- 77 [**purelia**](https://flapen.com/research/us/health-household/purelia)$635K/yr+359.7%**Worth a look**- 77 [**graduation napkins**](https://flapen.com/research/us/health-household/graduation-napkins)$302K/yr+385.7%**Worth a look**- 77 [**credit card wand**](https://flapen.com/research/us/health-household/credit-card-wand)$418K/yr+101.3%**Worth a look**[**All Health & Household niches **](https://flapen.com/research/us/health-household)