Anhydrous Borax Price — China Factory EXW 2026

Anhydrous Borax price Spec: China national standards

China EXW, VAT excluded

Newest China EXW USD 404.13 / MT · VAT excluded +23.6018 (6.00%) as of 20210323

Newest Price 404.13

Price Date 20210323

Day's Change +23.6

Day's Range 404.13 - 427.73

Month's Change -324.49

Month's Range 404.13 - 79.65

Year's Change +41.3

Year's Range 404.13 - 362.83

Compliance is becoming a differentiator. Suppliers who can document REACH registration and provide SVHC declarations gain favor with multinational buyers. For traders, the regulato...

Also known as 2,4,6-trioxa-1,3,5,7-tetraboraheptane-3,5-diolate, 1,7-dioxo-, disodium salt, anhydrousborax, Antipyoninum, B4-Na2-O7

Opinions

How does the regulatory status of borates affect anhydrous borax trade and downstream applications?

Compliance is becoming a differentiator. Suppliers who can document REACH registration and provide SVHC declarations gain favor with multinational buyers. For traders, the regulatory gap between China and the EU creates arbitrage opportunities but also risk — always verify the end-use before shipping to avoid restricted applications.

What is driving anhydrous borax prices in China and how do supply-demand dynamics shape the market?

Buyers should note that anhydrous borax is often quoted with a significant premium over decahydrate, reflecting processing costs. For procurement strategy, tracking boric acid prices and energy costs in northern China gives a reliable leading indicator. Also, verify whether suppliers meet the Q/YTY005-2011 standard, as grade variations (98% vs 95% purity) create wide price gaps.

What are the key differences between anhydrous borax and decahydrate borax in industrial applications?

A practical tip: when comparing quotes, normalize to B2O3 content rather than product weight. Anhydrous borax at 66-68% B2O3 versus decahydrate at around 36% means the effective cost per unit of boron is closer than list prices suggest. For glass manufacturers, the energy savings from using anhydrous can justify the premium.

Anhydrous Borax price context

What drives Anhydrous Borax prices

How does the regulatory status of borates affect anhydrous borax trade and downstream applications?: Compliance is becoming a differentiator. Suppliers who can document REACH registration and provide SVHC declarations gain favor with multinational buyers. For t...

What is driving anhydrous borax prices in China and how do supply-demand dynamics shape the market?: Buyers should note that anhydrous borax is often quoted with a significant premium over decahydrate, reflecting processing costs. For procurement strategy, trac...

How we assess Anhydrous Borax price

China factory / mainstream market EXW quotes (VAT excluded where shown) - not a single global public index

Regional and specification detail so buyers can compare like-for-like grades

Landed cost figures from our calculator are planning estimates, not a customs ruling

Overview

Anhydrous borax (sodium tetraborate, CAS 1330-43-4) is a white crystalline or glassy solid with a density of 2.367 g/mL, melting point of 741 °C, and boiling point of 1575 °C. It is the fully dehydrated form of borax, produced by heating the decahydrate to 350–400 °C, and serves as a key boron compound for industrial and chemical applications.

Industrial: used in glass and ceramic manufacturing, as a flux, and in producing other boron compounds.
Detergents & cleaning: a builder and buffering agent in cleaning product formulations.
Cosmetics: incorporated into certain personal care products, though regulatory restrictions apply in some regions.
Agriculture: a micronutrient source for boron-deficient soils and crops.

China's production landscape centers on industrial-grade material, with the anhydrous form derived from thermal dehydration of borax hydrates. The market is stable, with supply meeting domestic demand and some export activity; high-purity grades for pharmaceutical use are limited. Boron is an essential trace element, but overexposure poses toxicity risks, and its use as a food additive is banned in many countries.

Key domestic producers:
Shanghai Yixin – chemical reagent and industrial grade.
Hubei Xianfei Group – industrial and specialty borate products.

Properties

Name

Anhydrous Borax

2,4,6-trioxa-1,3,5,7-tetraboraheptane-3,5-diolate, 1,7-dioxo-, disodium salt

anhydrousborax

Antipyoninum

B4-Na2-O7

CAS Number

1330-43-4

EINECS No.

215-540-4

Risk Codes

S36/37;S24/25;S26;S36;S23;S45;S53

Safety Description

R62;R63;R36/38;R36/37/38;R61;R60

HS Code

2840190000

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