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Key Documents

1.02556

Supelco

Cobalt(II) sulfate heptahydrate

for analysis EMSURE®

Synonym(s):

Cobalt(II) sulfate heptahydrate

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About This Item

Empirical Formula (Hill Notation):
CoO4S · 7H2O
CAS Number:
Molecular Weight:
281.10
UNSPSC Code:
12352302
EC Index Number:
233-334-2
NACRES:
NA.21

Quality Level

product line

EMSURE®

Assay

≥99% (CoSO4.7H2O basis, complexometric)

form

solid

potency

582 mg/kg LD50, oral (Rat)

pH

4 (20 °C, 100 g/L in H2O)

mp

98 °C

solubility

362 g/L

density

1.95 g/cm3 at 20 °C

bulk density

900 kg/m3

anion traces

chloride (Cl-): ≤0.001%

cation traces

Ca: ≤0.005%
Cu: ≤0.001%
Fe: ≤0.0005%
N: ≤0.002%
Na: ≤0.01%
Ni: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.005%

storage temp.

2-30°C

InChI

1S/Co.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2

InChI key

MEYVLGVRTYSQHI-UHFFFAOYSA-L

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Related Categories

Linkage

Replaces: CX1825; CX1825-2

Analysis Note

Assay (complexometric, CoSO₄ 7 H₂O): ≥ 99 %
Chloride (Cl): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
Ni (Nickel): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.005 %

Legal Information

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

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

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


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.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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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