Sodium Tetraborate Decahydrate – CAS 1303-96-4 – High-Purity Borax – 99%

Sodium Tetraborate Decahydrate (Na₂B₄O₇·10H₂O, CAS 1303-96-4), commonly known as borax, is a naturally occurring mineral salt used across a wide range of industrial, laboratory, and household applications. With a purity of 99%, this crystalline compound is ideal for glass and ceramic manufacturing, chemical synthesis, cleaning formulations, and buffer systems.

Its ability to act as a flux, mild alkaline buffer, and stabilizer makes it a must-have chemical for researchers, manufacturers, and formulators.

🧪 Common Uses:

• Flux in metallurgy, glass, and ceramic production

• Buffering agent in chemistry and cosmetics

• Ingredient in household cleaning and laundry products

• Fire retardants and antifreeze formulations

• Slime and polymer experiments in education

Specifications:

• Chemical Name: Sodium Tetraborate Decahydrate

• Common Name: Borax

• Formula: Na₂B₄O₇·10H₂O

• CAS Number: 1303-96-4

• Purity: 99%

• Appearance: White crystalline powder

• Solubility: Soluble in water

• Packaging: Moisture-resistant, resealable container

Safety & Handling:

• Avoid inhaling dust or direct contact with eyes

• Use standard PPE: gloves, goggles, dust mask

• Store in a dry, well-ventilated area

• Wash hands thoroughly after handling

GHS Hazard Classification:

• Signal Word: Warning

• Hazard Statements:

  • H319 – Causes serious eye irritation

• Precautionary Statements:

  • P264 – Wash hands thoroughly after handling

  • P280 – Wear protective eye/face protection

  • P305 + P351 + P338 – If in eyes: rinse cautiously with water for several minutes