Sodium metaborate tetrahydrate
[CAS# 10555-76-7]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Metal oxide acid salt
• Name: Sodium metaborate tetrahydrate
• Molecular Formula: NaBO₂^.4(H₂O)
• Molecular Weight: 137.86
• CAS Registry Number: 10555-76-7
• EC Number: 600-663-1

Properties

• Density: 1.743 g/cm³ (25 ºC), Calc.^*
• Melting point: 55 ºC^**

^* Menzel, H.; Zeitschrift fuer Anorganische und Allgemeine Chemie 1943, V251, P167-200.

^** Svarcs, E.; Zhurnal Neorganicheskoi Khimii 1967, V12(8), P2017-18.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Reproductive toxicity	Repr.	1B	H360
Reproductive toxicity	Repr.	2	H361
Reproductive toxicity	Repr.	2	H361d
Skin irritation	Skin Irrit.	2	H315