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.

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Sodium Hydroxide - Pure - Food Grade (Lye, Baking Soda), White, 2 Pound

Sodium Hydroxide - Pure - Food Grade (Lye, Baking Soda), White, 2 Pound

Product ID: 733241619

Details

Boiling point
318 Degrees
Brand
Belle Chemical
Item volume
2 Cups
Item weight
0.91 Kilograms
Product grade
USP

🔥318°C boiling point - stable under heat

🧼Perfect for smooth saponification

⚗️99%+ pure food grade NaOH

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Description

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

SOAP MAKERS DREAM - Enables flawless saponification for artisanal, handcrafted soaps
ULTRA PURE FOOD GRADE - USP/FCC certified for safe culinary and soap applications
INDUSTRIAL STRENGTH CLEANING - Powerful caustic base for effective household and industrial cleaning
MOISTURE RESISTANT PACKAGING - Secure HDPE bag ensures freshness and safe handling every time
VERSATILE CULINARY ESSENTIAL - Transforms pretzels, olives, and ice cream with professional-grade precision

Belle Chemical’s Sodium Hydroxide is a premium 99%+ pure, food-grade alkali essential for professional soap making, advanced culinary uses, and powerful cleaning. Packaged in a moisture-resistant HDPE bag, it delivers consistent, reliable performance with a high boiling point of 318°C, making it a must-have for millennial makers and kitchen pros seeking precision and quality.

Specifications

ASIN	B07KNR9SVF
Boiling Point	318 Degrees Celsius
Brand Name	Belle Chemical
Container Type	Bag
Customer Reviews	4.8 4.8 out of 5 stars (7,891)
Item Weight	0.91 Kilograms
Manufacturer	Belle Chemical
Model Number	LYEJAR - 32
Part Number	LYEJAR - 32
Product Grade	USP
UPC	857329007773
Volume	2 Cups

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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