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About This Item

Empirical Formula (Hill Notation):
K2S2O7
CAS Number:
Molecular Weight:
254.32
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
Grade:
JIS special grade
Form:
solid
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grade

JIS special grade

Assay

≥98.0%

form

solid

availability

available only in Japan

pH

1.0-2.0 (25 °C, 25.5 g/L)

density

2.28 g/mL at 25 °C (lit.)

SMILES string

[K+].[K+].[O-]S(=O)(=O)OS([O-])(=O)=O

InChI

1S/2K.H2O7S2/c;;1-8(2,3)7-9(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2

InChI key

KAQHZJVQFBJKCK-UHFFFAOYSA-L

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Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A

Storage Class Code

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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