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Safety Information

1.06609

Supelco

Sodium peroxidisulfate

for analysis EMSURE®

Synonym(s):

Sodium peroxidisulfate, Sodium persulfate, Peroxydisulfuric acid disodium salt

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About This Item

Empirical Formula (Hill Notation):
Na2O8S2
CAS Number:
7775-27-1
Molecular Weight:
238.10
MDL number:
MFCD00003501
UNSPSC Code:
12352302
EC Index Number:
231-892-1
NACRES:
NA.21
form:
solid
solubility:
545 g/L

Quality Level

300

product line

EMSURE®

Assay

≥99.0% (iodometric)

form

solid

potency

920 mg/kg LD50, oral (Rat)
>10000 mg/kg LD50, skin (Rabbit)

loss

≤0.05% loss on drying, 105 °C; 3 hours

pH

3.5-3.8 (20 °C, 100 g/L in H2O)

solubility

545 g/L

density

1.2 g/cm3 at 20 °C

bulk density

1150 kg/m3

anion traces

chloride (Cl-): ≤0.01%

cation traces

Cr: ≤0.001%
Cu: ≤0.001%
Fe: ≤0.0005%
Mn: ≤0.0001%
NH4+: ≤0.05%
Pb: ≤0.001%
heavy metals (as Pb): ≤0.003%

storage temp.

15-25°C

SMILES string

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

InChI

1S/2Na.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2

InChI key

CHQMHPLRPQMAMX-UHFFFAOYSA-L

Linkage

Replaces: SX0703; SX0703-1

Analysis Note

Assay (iodometric): ≥ 99.0 %
Identity: passes test
Chloride (Cl): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.003 %
NH₄ (Ammonium): ≤ 0.05 %
Cr (Chromium): ≤ 0.001 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Mn (Manganese): ≤ 0.0001 %
Pb (Lead): ≤ 0.001 %
Loss on drying (105 °C; 3 hours): ≤ 0.05 %

Legal Information

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

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Ox. Sol. 3 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

5.1B - Oxidizing hazardous materials

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.

FSL

Oxidizing solids
Peroxodisulphates
Hazardous rank III
3rd oxidizing solid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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