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1.01737

Supelco

Barium hydroxide octahydrate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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Synonym(s):
Barium hydroxide octahydrate, Caustic baryta, Barium oxide hydrate octahydrate
Linear Formula:
Ba(OH)2 · 8 H2O
CAS Number:
Molecular Weight:
315.46
MDL number:
EC Index Number:
241-234-5

grade

ACS reagent

Quality Level

Agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE®

Assay

≥98.0% (acidimetric)

form

solid

potency

550 mg/kg LD50, oral (Rat)

impurities

≤0.005% Substances insoluble in dilute hydrochloric acid

pH

14 (20 °C in H2O, saturated aqueous solution)

mp

78 °C

density

2.18 g/cm3 at 20 °C

bulk density

900‑1100 kg/m3

anion traces

carbonate (as BaCO3): ≤2.0%
chloride (Cl-): ≤0.001%
sulfide (S2-): ≤0.0005%

cation traces

Ca: ≤0.002%
Fe: ≤0.0005%
K: ≤0.01%
Na: ≤0.01%
Pb: ≤0.001%
Sr: ≤0.5%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

InChI

1S/Ba.10H2O/h;10*1H2/q+2;;;;;;;;;;/p-2

InChI key

ZUDYPQRUOYEARG-UHFFFAOYSA-L

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This Item
1.017351.936561.01719
Barium chloride dihydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Supelco

1.01719

Barium chloride dihydrate

assay

≥98.0% (acidimetric)

assay

≥98.0% (acidimetric)

assay

-

assay

≥99.0% (complexometric)

form

solid

form

solid

form

-

form

solid

impurities

≤0.005% Substances insoluble in dilute hydrochloric acid

impurities

≤0.01% Substances insoluble in dilute hydrochloric acid, ≤0.2% Substances not precipitated by dilute sulfuric acid (as sulfate)

impurities

-

impurities

≤0.005% Insoluble matter, ≤0.005% Oxidizing Substances (as NO3)

pH

14 (20 °C in H2O, saturated aqueous solution)

pH

14 (20 °C in H2O, saturated aqueous solution)

pH

-

pH

5.2-8.0 (25 °C, 50 g/L in H2O)

mp

78 °C

mp

78 °C

mp

-

mp

-

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Substances insoluble in dilute hydrochloric acid: ≤ 0.005 %
Carbonate (as BaCO₃): ≤ 2.0 %
Chloride (Cl): ≤ 0.001 %
Sulphide (S): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.01 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.001 %
Sr (Strontium): ≤ 0.5 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

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

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Skin Corr. 1B

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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