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Merck
CN

SX0770

Sodium Sulfide, Nonahydrate

meets analytical specifications of USP/NF GR ACS

Synonym(s):

Sodium Sulfide, Nonahydrate, Sodium Monosulfide

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About This Item

Empirical Formula (Hill Notation):
Na2S · 9H2O
CAS Number:
Molecular Weight:
240.18
UNSPSC Code:
12352302
EC Index Number:
215-211-5
MDL number:
Assay:
≥98.0% (iodometric)
Grade:
ACS reagent
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grade

ACS reagent

Quality Segment

agency

meets analytical specifications of USP/NF GR ACS

assay

≥98.0% (iodometric)

color

colorless to slightly yellow

cation traces

Fe:, passes test, NH4+: ≤0.005%

shipped in

ambient

storage temp.

2-8°C

SMILES string

[Na+].[Na+].[S-2].O.O.O.O.O.O.O.O.O

InChI

1S/2Na.9H2O.S/h;;9*1H2;/q2*+1;;;;;;;;;;-2

InChI key

ZGHLCBJZQLNUAZ-UHFFFAOYSA-N

General description

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Ammonium (NH4)0.005% maxAppearanceCrystals, colorless or only slight yellow colorAssay (iodometric)98.0% minIronTo pass testSulfite and thiosulfate (as SO2)0.1% max


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Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B

Storage Class

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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