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Merck
CN

1.00238

Sodium hydroxide solution

50%, EMPROVE® EXPERT

Synonym(s):

Natriumhydroxidlösung

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About This Item

UNSPSC Code:
12352305
Technical Service
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Product Name

Sodium hydroxide solution 50%, EMPROVE® EXPERT

vapor pressure

2 hPa ( 20 °C)

Quality Level

product line

EMPROVE® EXPERT

form

liquid

pH

14 (20 °C, 89 g/L in H2O)

bp

135 °C/1013 hPa

mp

12 °C

density

1.52 g/cm3 at 20 °C

storage temp.

15-25°C

General description

EMPROVE® EXPERT

Analysis Note

Assay (acidimetric,NaOH)49.0 - 50.0 %Carbonate (as Na₂CO₃)≤ 1.0 %Chloride (Cl)≤ 100 ppmSulfate (SO₄)≤ 30 ppmHeavy metals (as Pb)≤ 5.0 ppmAl (Aluminium)≤ 10 ppmFe (Iron)≤ 5 ppmNi (Nickel) *≤ 2.00 ppmResidual solvents (ICH Q3C)...excluded by production processFiltered with 0.2 µm
This product has been manufactured from Sodium hydroxide pellets Ph Eur, BP, JP, NF and water for injection (wfi) acc. USP which conforms with highly purified water (hpw) acc. Ph Eur.
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany


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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

新产品

This item has



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Global Trade Item Number

SKUGTIN
100238995004027269212865
100238400404054839391989
100238995804027269678685
100238100204027269234324
100238902504027269348618
100238920004054839392009
100238901004054839391996