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Key Documents

11625

Sigma-Aldrich

Sodium tetraborate decahydrate

puriss., meets analytical specification of Ph. Eur., BP, NF, 99.0-103.0%

동의어(들):

Borax decahydrate, Sodium borate decahydrate

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About This Item

Linear Formula:
Na2B4O7 · 10H2O
CAS Number:
Molecular Weight:
381.37
EC Number:
MDL number:
UNSPSC 코드:
12352302
PubChem Substance ID:
NACRES:
NA.22

Agency

Ph. Eur.

grade

puriss.

분석

99.0-103.0%

형태

crystalline

품질

meets analytical specification of Ph. Eur., BP, NF

불순물

carbonate and Bicarbonate, complies
organic volatile impurities, complies
residual solvents, complies
≤0.001% ammonium (NH4)
≤0.002% heavy metals (as Pb)

pH

9.0-9.6 (20 °C, 5%)

density

1.73 g/mL at 25 °C (lit.)

음이온 미량물

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

양이온 미량물

As: ≤3 mg/kg
Ca: ≤100 mg/kg
Fe: ≤20 mg/kg
Mg: ≤10 mg/kg

적합성

complies for appearance of solution

저장 온도

room temp

SMILES string

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

InChI

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

InChI key

CDMADVZSLOHIFP-UHFFFAOYSA-N

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법적 정보

픽토그램

Health hazardExclamation mark

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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We developed a photonic crystal sensing method for diol containing species such as carbohydrates based on a poly(vinyl alcohol) (PVA) hydrogel containing an embedded crystalline colloidal array (CCA). The polymerized CCA (PCCA) diffracts visible light. We show that in the
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