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Safety Information

253049

Sigma-Aldrich

Potash, sulfurated

Synonym(s):

Dipotassium thiosulfate mixture with potassium sulfide, Liver of sulfur, Sulfurated potash

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About This Item

Linear Formula:
K2SO4/(K2Sx)2
CAS Number:
39365-88-3
MDL number:
MFCD00064604
UNSPSC Code:
12352302
PubChem Substance ID:
57648123
NACRES:
NA.21
form:
chunks
lumps

form

chunks
lumps

Quality Level

100

composition

sulfide, ≥12.8%

SMILES string

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

InChI

1S/4K.H2O3S2.S/c;;;;1-5(2,3)4;/h;;;;(H2,1,2,3,4);/q;;2*+1;;/p-2

InChI key

PFSBHPPVZHPSCB-UHFFFAOYSA-L

Application

Sulfurated potash may be used in the preparation of N-substituted thionamides such as (+)-(S)-thion-α-methylbutyramide, (+)-(S)-(thionhydratropyl)morpholine and (+)-(S)-N-methylthion-α-methylbutyramide.

Signal Word

Danger

Hazard Statements

H314,H335,H400

Hazard Classifications

Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

EUH031

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 3

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.

JAN Code

253049-VAR:
253049-500G:
253049-BULK:
253049-100G:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT8334
MKCT3385
MKCQ2505
MKCJ3212
MKCD5026

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Optical Rotatory Dispersion Studies. XCVII. Anomalous Rotatory Dispersion and Circular Dichroism Curves Associated with Thionamides. Application to Stereochemical Studies of Carboxylic Acids2
Burakevich JV & Djerassi C
Journal of the American Chemical Society, 87(1), 51-60 (1965)

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