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13462

Sigma-Aldrich

Sodium sulfate

technical, anhydrous, ≥99%

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About This Item

Linear Formula:
Na2SO4
CAS Number:
7757-82-6
Molecular Weight:
142.04
EC Number:
231-820-9
MDL number:
MFCD00003504
UNSPSC Code:
12352300

grade

technical

Assay

≥99%

impurities

≤0.005% heavy metals (as Pb)
≤0.1% free alkali (as NaOH)
≤0.2% free acid (as H2SO4)

loss

≤0.2% loss on drying, 130 °C

mp

884 °C (lit.)

density

2.68 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤200 mg/kg

cation traces

Fe: ≤50 mg/kg

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

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Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

13462-1KG-R:
13462-2.5KG-R:
13462-4X5KG-R:
13462-50KG-H-D:
13462-50KG-H:
13462-VAR-R:
13462-6X1KG-R:
13462-5KG-R:
13462-6X2.5KG-R:
13462-BULK-R:

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Certificates of Analysis (COA)

Lot/Batch Number
82670
82240
81830
72260
70460

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Howe PE.
The Journal of Biological Chemistry, 49(1), 93-107 (1921)
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In this work, we characterize physical hydrogels based on poly(vinyl alcohol), PVA, as intelligent biointerfaces for surface-mediated drug delivery. Specifically, we assemble microstructured (μS) surface adhered hydrogels via noncryogenic gelation of PVA, namely polymer coagulation using sodium sulfate (Na(2)SO(4)). We
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Release of lead from 80% partially replaced service lines was compared to full lead service lines using harvested-stabilized lead pipes and field brass connectors. After more than a year of stabilization, lead release was consistent with field samples. Over the
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