AMMONIUM TETRABORATE TETRAHYDRATE Property

Melting point:

decomposes [CRC10]

Density 

1.580

solubility 

very soluble in H2O; soluble in HNO 3

form 

crystal

color 

colorless

PH

~8.8 ( in solution, over a wide range of concentrations)

Water Solubility 

% anhydrous by weight (H2O): 3.75 (0°C), 9.00 (25°C), 21.2 (50°C), 52.7 (90°C) [KIR78]

Safety

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

1

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

AMMONIUM TETRABORATE TETRAHYDRATE Chemical Properties,Usage,Production

Chemical Properties

tetr colorless crystal(s); unstable, has an appreciable ammonia vapor pressure; uses: fireproofing wood and textiles [MER06] [STR93] [KIR78]