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71997

Sigma-Aldrich

Borax Anhydrous

BioUltra, anhydrous, ≥99%

Sinonimo/i:

Sodium tetraborate

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About This Item

Formula condensata:
Na2B4O7
Numero CAS:
1330-43-4
Peso molecolare:
201.22
Numero CE:
215-540-4
Numero MDL:
MFCD00081185
Codice UNSPSC:
12352302
ID PubChem:
329763686
NACRES:
NA.25

Livello qualitativo

200

Nome Commerciale

BioUltra

Saggio

≥99%

Forma fisica

crystals

Impurezze

insoluble matter, passes filter test

Perdita

≤1% loss on drying, 20 °C (HV)

pH

9.0-10.5 (25 °C, 0.1 M in H2O)

Solubilità

H2O: 0.1 M at 20 °C, clear, colorless

Anioni in tracce

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

Cationi in tracce

Al: ≤5 mg/kg
As: ≤0.5 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: ≤5 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
Zn: ≤5 mg/kg

λ

0.1 M in H2O

Assorbanza UV

λ: 260 nm Amax: ≤0.020
λ: 280 nm Amax: ≤0.015

Stringa SMILE

[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
UQGFMSUEHSUPRD-UHFFFAOYSA-N

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Note legali

Pittogrammi

Health hazardExclamation mark
GHS08,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H319,H360FD

Classi di pericolo

Eye Irrit. 2 - Repr. 1B

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
BCCG6523
BCCD7933
BCBW8475
BCBV3707
BCBT6698

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Sigma-Aldrich

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Supelco

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Sigma-Aldrich

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