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Merck

71996

Borax Anhydrous

puriss. p.a., anhydrous, ≥98.0% (T)

동의어(들):

Sodium tetraborate

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
Na2B4O7
CAS 번호:
Molecular Weight:
201.22
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
215-540-4
MDL number:
Assay:
≥98.0% (T)
Form:
crystals
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Quality Level

grade

puriss. p.a.

assay

≥98.0% (T)

form

crystals

anion traces

chloride (Cl-): ≤10 mg/kg, phosphate (PO43-): ≤20 mg/kg, sulfate (SO42-): ≤50 mg/kg

cation traces

Ag: ≤5 mg/kg, Al: ≤5 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤10 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Tl: ≤5 mg/kg, Zn: ≤5 mg/kg

application(s)

forensics and toxicology

SMILES string

[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2

InChI

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

InChI key

UQGFMSUEHSUPRD-UHFFFAOYSA-N

Application

Borax Anhydrous can be used as a boron source to synthesize phase pure ZrB2 powder via a novel green silicothermic reduction method using ZrO2 and Si as raw materials. It is also used to prepare sodium borohydride, nano-sized titanium diboride, and alkali-activated borosilicate inorganic polymers.

Other Notes

Reagent for the decomposition of oxides and silicates by fusion

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Hazard Classifications

Eye Irrit. 2 - Repr. 1B

저장 등급

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

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Eyeshields, Gloves, type P3 (EN 143) respirator cartridges



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문서 라이브러리 방문



R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
Ho-Yong Kim et al.
Environmental toxicology and chemistry, 30(6), 1297-1305 (2011-03-08)
Okara, an organic waste product obtained from soy milk production, was used with copper chloride or sodium borate to formulate new wood preservatives as a substitute for expensive wood preservatives, such as copper-azole-based preservatives and ammoniacal copper quaternary. Before formulating