Sodium tetraborate decahydrate (Borax decahydrate) [1303-96-4]

Sodium Tetraborate Decahydrate (Borax Decahydrate) [1303-96-4] presents a precisely defined set of physicochemical properties. Its molecular formula is Na2B4O7·10H2O, with a molecular weight of 381.37. This compound belongs to the class of borates, playing a significant role in various industrial, analytical, and household applications. As a water analysis reagent, it exhibits a Danger signal word due to its specifications, which include a low chloride content (<100 parts per million), minimal iron (<10 parts per million), restricted sulfate (<200 parts per million), and a boron trioxide content of 36.5-38.1%. It also features a white crystalline powder appearance, with less than 2% sieve residue at 0.315 millimeters. For research purposes only, it should not be used for human consumption.

• CAS Number: 1303-96-4
• Molecular Weight: 381.37
• Appearance: White crystalline powder
• GHS Signal Word: Danger
• Exact Mass: 127.9633569
• B2O3: 36.5-38.1%
• Molecular Formula: Na2B4O7·10H2O
• Hazard Statements:
  • H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H315: Causes skin irritation [Warning Skin corrosion/irritation]