Borax, sodium tetraborate - ( 1 kg )
| Availability: | In stock |
 |
| Quantity: | x 1 ks | |
| Price with VAT: | 7,40 € ( 6,17 € without VAT ) | |
Product name
Sodium tetraborate decahydrate , borax , Na2B4O7.10H2OProduct use
Technical purposes in leather tanning, in agriculture, wood impregnation and in facilitation of melting
Information
Borax, also known as sodium borate, sodium tetraborate, or disodium tetraborate, is an important boron compound, a mineral, and a salt of boric acid. Powdered borax is white, consisting of soft colorless crystals that dissolve easily in water.Usage
Borax is used for various technical purposes in leather tanning, in agriculture, wood impregnation and in facilitation of melting.Construction industry: refractories, glass
Welding: for welding of brass to facilitate the melting
Laundry detergent ingredient: water softener
Agricultural fertilizer: Fertilizer, e.g. for apricots
Specification
Synonyms: BoraxChemical formula: Na2B4O7
Molar mass: 201.21 g/mol (without crystallisation water)
Molar mass: 381.32 g/mol (with crystallisation water)
Na2B4O7.10H2O, 99.9%
HS code: 2840-11-00
EC number (EINECS): 215-540-4
EC index number: 005-011-00-4
CAS number: 1303-96-4
Purity / content Na2B4O7.10H2O: min. 99.90%
B2O3 content: min. 36.47%
Fe: 10 ppm max
Particle size distribution:
> 1 mm: 1% max
<0.06 mm: up to 4%
Solubility in water: 51.4 g / (20 °C)
Melting point: 75 °C (with loss of crystal water)
Density: 1.72 g/cm3 (20 °C)
Bulk density: 750 kg/m3
pH during dissolution in water: slightly basic
Vapor pressure at 0.213 hPa (20 °C)
Toxicological information
LD 50 oral rat LD50 2660 mg/kgLD 50 dermal LD50 rabbit> 2000 mg/kg
Storage
Keep tightly closed in a dry and cool place.
UPOZORNENIE:
DANGER:
H319: Causes serious eye irritationH360: May damage fertility or the unborn child
P202: Do not handle until all safety precautions have been read and understood.
P281: Use personal protective equipment as required.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.
P501: Dispose of contents/container to …