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Merck

1.06308

di-Sodium tetraborate decahydrate

for analysis ACS,ISO,Reag. Ph Eur

동의어(들):

di-Sodium tetraborate decahydrate, Borax, Sodium biborate decahydrate, Sodium borate decahydrate

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제품정보 (DICE 배송 시 비용 별도)

실험식(Hill 표기법):
B4Na2O7 · 10H2O
CAS 번호:
Molecular Weight:
381.37
UNSPSC Code:
12352302
EC Index Number:
215-540-4
NACRES:
NB.21
MDL number:
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grade

ACS reagent

Quality Segment

agency

reag. ISO, reag. Ph. Eur.

vapor pressure

0.213 hPa ( 20 °C)

assay

99.5-103.0% (acidimetric)

form

crystals

potency

2660 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rabbit)

pH

9.2 (20 °C, 47 g/L in H2O)

mp

75 °C (Elimination of water of crystallisation)

solubility

49.74 g/L

density

1.72 g/cm3 at 20 °C

bulk density

750 kg/m3

storage temp.

2-30°C

SMILES string

[Na+].[Na+].B([O-])(OB([O-])OB=O)OB=O.O.O.O.O.O.O.O.O.O.O

InChI

1S/B4O7.2Na.10H2O/c5-1-9-3(7)11-4(8)10-2-6;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;

InChI key

OJPFLODMGUZMKD-UHFFFAOYSA-N

Application


  • Inhibition of boric acid and sodium borate on the biological activity of microorganisms in an aerobic biofilter.: This research examines the effects of di-sodium tetraborate decahydrate on the biological activity of microorganisms in an aerobic biofilter. The study finds that di-sodium tetraborate decahydrate can inhibit microbial activity, which has significant implications for waste treatment and environmental management. This inhibition property can be utilized to control microbial populations in various industrial processes, enhancing the efficiency and effectiveness of biofiltration systems (Gunes, 2013).

Analysis Note

Assay (acidimetric): 99.5 - 103.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (0.01 M Solution, 25 °C): 9.15 - 9.20
pH-value (4 %, water): 9.0 - 9.6
Chloride (Cl): ≤ 0.0007 %
Phosphate (PO₄): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
NH₄ (Ammonium): ≤ 0.001 %
Pb (Lead): ≤ 0.0005 %
Corresponds to ACS,ISO,Reag. Ph Eur


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signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

pictograms

Health hazardExclamation mark

저장 등급

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects



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