---
title: "Sodium Hydroxide — $1.0M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/sodium-hydroxide"
last_updated: "2026-08-11T05:50:01.907Z"
locale: en
meta:
  description: "Niche score 46/100 · $1.0M/yr market · 406K searches/yr · $36.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · $1.0M/yr market · 406K searches/yr · $36.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Sodium Hydroxide — $1.0M/yr Amazon US Niche (2026) - Flapen"
---

# **sodium hydroxide**

**Skip it**

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

Market size 78Growth 19Conversion 75Competition 11Returns 100Price range 58Avg price 95Brand share 0Review moat 43Quality gap 27

**Returns**

**Incredible****0.1%**

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**

**Great****7.0%**

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**

**Okay****2,193.78**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-12.2%**

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

**Competition**

**Bad****87%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

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 ~~](https://flapen.com/research/methodology)

## **sodium hydroxide market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**30K–40K**</dd><dd>avg 3,000–4,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$1.1M–$1.4M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**7.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#61**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**89%**</dd>

<dt>**Sponsored**</dt><dd>**56%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**60 months**</dd>

<dt>**Avg seller age**</dt><dd>**157 days**</dd>

</dl>

## **Competition & brand share**

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

**Brands**

**6 **▼falling

**Sellers**

**12**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**87%**

Top 20: 100%

**Open market**

**0%**

- 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.

20K15KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

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

[**Open Trend **](https://flapen.com/research/us/health-household/sodium-hydroxide/trend)

## **Top sodium hydroxide search terms**

- **sodium hydroxide**216K/yr-5.6%5.6% conv. - **food grade lye**43K/yr-11.4%6.8% conv. - **sodium hydroxide for soap making**49K/yr-39.8%5.4% conv. - **food grade lye for pretzels**8K/yr+90.1%6.9% conv. - **lye food grade**17K/yr-22.7%6.9% conv. - **sodium hydroxide food grade**15K/yr-9.8%7.4% conv. - **naoh**9K/yr-8.7%3.3% conv. - **sodium hydroxide lye**7K/yr+19.3%5.3% conv. - **food grade sodium hydroxide**8K/yr-8.7%6.3% conv. - **hidrxido de sodio**5K/yr-25.4%1.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/sodium-hydroxide/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.

0%15%$155K30%$311K45%$466K60%$622K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

[1![Sodium Hydroxide - Pure - Food Grade (Caustic Soda Lye) (2 Pound Jar)](https://m.media-amazon.com/images/I/41mGPS-WNVL.jpg)**Sodium Hydroxide - Pure - Food Grade (Caustic Soda Lye) (2 Pound Jar)**Belle Chemical**$16.26**4.8★8,247 rev](https://www.amazon.com/dp/B07KNR9SVF) [2![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.](https://m.media-amazon.com/images/I/41XulAAFJsL.jpg)**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**$22.12**4.8★1,768 rev](https://www.amazon.com/dp/B09LZ7SN9T) [3![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)](https://m.media-amazon.com/images/I/31HNYCzOE5L.jpg)**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**$23.82**4.5★301 rev](https://www.amazon.com/dp/B0CWL155PV) [4![Sodium Hydroxide - Pure - Food Grade (Lye Caustic Soda) (10 Pounds)](https://m.media-amazon.com/images/I/418JD-g8HfS.jpg)**Sodium Hydroxide - Pure - Food Grade (Lye Caustic Soda) (10 Pounds)**Belle Chemical**$49.95**4.8★1,317 rev](https://www.amazon.com/dp/B089W3XPLZ) [5![Sodium Hydroxide Solution 0.1M 1L - The Curated Chemical Collection](https://m.media-amazon.com/images/I/31gL8656-HL.jpg)**Sodium Hydroxide Solution 0.1M 1L - The Curated Chemical Collection**ALDON**$19.79**4.0★96 rev](https://www.amazon.com/dp/B0754JP894)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/313zghMC9dL.jpg)**Food Grade Lye Sodium Hydroxide - (1lbs or 453g) 100% Pure Caustic Soda Drain Cleaning Soap Making Culinary Use Pretzels Textiles Granules**Miilex**$14.98**212 rev1y ago](https://www.amazon.com/dp/B0DH7DS842) [![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)](https://m.media-amazon.com/images/I/31HNYCzOE5L.jpg)**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**$23.82**301 rev2y ago](https://www.amazon.com/dp/B0CWL155PV) [![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.](https://m.media-amazon.com/images/I/41XulAAFJsL.jpg)**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**$22.12**1,768 rev5y ago](https://www.amazon.com/dp/B09LZ7SN9T) [![Sodium Hydroxide - Pure - Food Grade (Lye Caustic Soda) (10 Pounds)](https://m.media-amazon.com/images/I/418JD-g8HfS.jpg)**Sodium Hydroxide - Pure - Food Grade (Lye Caustic Soda) (10 Pounds)**Belle Chemical**$49.95**1,317 rev6y ago](https://www.amazon.com/dp/B089W3XPLZ) [![50 lb Pail Red Hot Devil Lye Sodium Hydroxide Import Material High Grade Caustic Soda Beads](https://m.media-amazon.com/images/I/41h-rjjl8fL.jpg)**50 lb Pail Red Hot Devil Lye Sodium Hydroxide Import Material High Grade Caustic Soda Beads**Duda Energy**$151.55**2,729 rev6y ago](https://www.amazon.com/dp/B07ZTMM8WX)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Food Grade Lye Sodium Hydroxide - (1lbs or 453g) 100% Pure Caustic Soda Drain Cleaning Soap Making Culinary Use Pretzels Textiles Granules](https://m.media-amazon.com/images/I/313zghMC9dL.jpg)**Food Grade Lye Sodium Hydroxide - (1lbs or 453g) 100% Pure Caustic Soda Drain Cleaning Soap Making Culinary Use Pretzels Textiles Granules**Miilex**$14.98**4.6★**▲ 73%**](https://www.amazon.com/dp/B0DH7DS842) [![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)](https://m.media-amazon.com/images/I/31HNYCzOE5L.jpg)**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**$23.82**4.5★**▲ 65%**](https://www.amazon.com/dp/B0CWL155PV) [![50 lb Pail Red Hot Devil Lye Sodium Hydroxide Import Material High Grade Caustic Soda Beads](https://m.media-amazon.com/images/I/41h-rjjl8fL.jpg)**50 lb Pail Red Hot Devil Lye Sodium Hydroxide Import Material High Grade Caustic Soda Beads**Duda Energy**$151.55**4.7★**▲ 11%**](https://www.amazon.com/dp/B07ZTMM8WX) [![Sodium Hydroxide - Pure - Food Grade (Lye Caustic Soda) (10 Pounds)](https://m.media-amazon.com/images/I/418JD-g8HfS.jpg)**Sodium Hydroxide - Pure - Food Grade (Lye Caustic Soda) (10 Pounds)**Belle Chemical**$49.95**4.8★**— 10%**](https://www.amazon.com/dp/B089W3XPLZ) [![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.](https://m.media-amazon.com/images/I/41XulAAFJsL.jpg)**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**$22.12**4.8★**— 3%**](https://www.amazon.com/dp/B09LZ7SN9T)

**~~View all trending →~~**

## **What buyers say about sodium hydroxide**

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

### **What buyers love **

**Quality-Overall**24%

*“Better than other similar items”*

**Value For Money**16%

*“good value”*

**Efficiency**12%

*“works great for soap”*

**Ease Of Use**10%

*“Easy to use”*

**Advertised Vs Actual Product**9%

*“As Advertised”*

**Ease Of Cleaning**5%

*“this cleaned it”*

**Jamming/Clogging**4%

*“Best clog remover ever”*

**Size-Overall**3%

*“Perfect fit”*

**Strength**1%

*“It is powerful”*

**Gifting Purpose**1%

*“Gift wrapped please”*

### **What buyers complain about **

**Functionality-Overall**33%

*“Did not work”*

**Jamming/Clogging**14%

*“Burns through tough clogs”*

**Drainage**8%

*“Had a slow drain”*

**Value For Money**7%

*“Cheap Product Expensive Plumber”*

**Ease Of Cleaning**5%

*“Poor cleaning performance”*

**Quality-Overall**4%

*“Cheap, Horrible product”*

**Advertised Vs Actual Product**3%

*“misleading”*

**Size-Overall**3%

*“Not good for smaller hands”*

**Smell**2%

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

**Spray/Flow**2%

*“the line still is not responding with full flow”*

### **Top return reasons **

**Functionality-Overall**43%

**Advertised Vs Actual Product**23%

**Value For Money**15%

**Strength**10%

**Leak-Proof**10%

## **Common questions**

<dl>

<dt>**Is sodium hydroxide profitable to sell on Amazon United States?**</dt><dd>The niche generates $1.0M/yr across 9 tracked products. 90-day search growth is -12.2%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the sodium hydroxide niche?**</dt><dd>6 brands and 12 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in sodium hydroxide?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Jamming/Clogging, Drainage. The return rate is 0.1%.</dd>

<dt>**When does demand for sodium hydroxide peak?**</dt><dd>Demand peaks in Jan–Sep–Oct–Nov; the busiest month runs 2.3× the quietest.</dd>

<dt>**What does it cost to enter the sodium hydroxide niche?**</dt><dd>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.</dd>

</dl>

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