is this used in hide tanning ?

Yes, some people use it for hide tanning. However, it can damage your hide tanning if you don't to follow the proper instructions that use lye on hide tanning.

possibly sodium carbonate in a recently shipped batch?

Doubt it. It’s Sodium Hydroxide.

Does this come in a bigger size?

Yes, there is a 10 pound set and a 20 pound set.

Using for pretzels, what is the shelf life? (How long will it last in my pantry)

I use this to make soap. It is pure lye. I have no knowledge of it being used in food products.

Sodium Hydroxide Pure Food Grade Lye Baking Soda White 2

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

⚡ Elevate your craft with the pure power of Sodium Hydroxide!

ULTRA PURE POWER - At least 99% pure sodium hydroxide for unmatched effectiveness in soap making and food prep.
CERTIFIED FOOD GRADE - USP/FCC food-grade quality guarantees safety and compliance for culinary uses.
HEAT RESISTANT STABILITY - Boils at 318°C, ensuring reliable performance under high-temperature processes.
PROFESSIONAL GRADE PACKAGING - Secure HDPE bag designed for safe handling and long-lasting freshness.
VERSATILE CULINARY ESSENTIAL - Perfect for peeling, processing, and enhancing foods like olives, pretzels, and ice cream.

Belle Chemical’s Sodium Hydroxide is a premium, 99%+ pure, food-grade alkali with a high boiling point of 318°C. Ideal for professional soap making, culinary applications like peeling and pretzel glazing, and industrial cleaning, it comes in a secure 2-pound HDPE bag ensuring safe, easy handling. Trusted by thousands with a 4.8-star rating, this USP/FCC certified product delivers consistent, high-performance results.

Specifications

ASIN	B07KNR9SVF
Boiling Point	318 Degrees Celsius
Boiling point	318 Degrees Celsius
Brand	Belle Chemical
Brand Name	Belle Chemical
Container Type	Bag
Customer Reviews	4.8 out of 5 stars 8,084 Reviews
Item Weight	0.91 Kilograms
Item volume	2 Cups
Item weight	0.91 Kilograms
Manufacturer	Belle Chemical
Model Number	LYEJAR - 32
Package information	Bag
Part Number	LYEJAR - 32
Product Grade	USP
Product grade	USP
UPC	857329007773
Volume	2 Cups

Reviews

J**U

Good quality product

Easy to dissolve and odorless

18.04.2026

G**R

Producto de calidad y excelente servicio

El producto es de primera calidad y el envase es adecuado para un manejo seguro. Las advertencias y descripción en la etiqueta son lo esperado en un producto de este tipo. Además una excelente atención y servicio de parte del proveedor. Ampliamente recomendable.

21.10.2022

J**A

Cheap, quality, well packaged.

Great quality product, arrived quickly, well packaged. Packaging was great to make sure that it didn't spill or open during transit. Cheapest price on Amazon, zero issues using it so far.

5.08.2026

M**O

Este producto es bueno para usar.

He recibido el producto, gracias Este producto es bueno para usar.

14.07.2025

N**I

Great deal great product

Using this for cp soap. Very easy to use don't be scared. Im out here making some masterpieces ♥️

13.07.2026

N**E

Making soap

Soap must have

4.08.2026

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Excellent communication throughout the order process. Product is perfect.

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€ 82.73

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Best international shipping I've ever tried. Worth every penny!

3 days ago