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Merck

1.06639

Sodium sulfate

anhydrous granulated for organic trace analysis EMSURE®

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About This Item

Linear Formula:
Na2SO4
CAS Number:
Molecular Weight:
142.04
NACRES:
NA.21
EC Index Number:
231-820-9
UNSPSC Code:
12352302
MDL number:
Assay:
≥99.0% (acidimetric)
Form:
solid
Solubility:
200 g/L
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Quality Level

product line

EMSURE®

assay

≥99.0% (acidimetric)

form

solid

potency

>2000 mg/kg LD50, oral (Rat)

loss

≤ 0.5% loss on drying, 130 °C

pH

5.2-8.0 (20 °C, 50 g/L in H2O)

solubility

200 g/L

density

2.68 g/mL at 25 °C (lit.)

bulk density

1400‑1600 kg/m3

cation traces

Fe: ≤0.001%

storage temp.

2-30°C

SMILES string

[Na+].[Na+].[O-]S([O-])(=O)=O

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

PMZURENOXWZQFD-UHFFFAOYSA-L

Analysis Note

Appearance: small crystals
Assay (acidimetric): ≥ 99.0 %
Fe (Iron): ≤ 0.001 %
Loss on drying (130 °C): ≤ 0.5 %

Legal Information

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


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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

1066390507: + 1066390000: + 1066399999: + 1066399025: + 1066390500: + 1066399050:

jan



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Global Trade Item Number

SKUGTIN
1.06639.050004022536080314