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939927

1,3-Propanediol cyclic sulfate

Name: 1,3-Propanediol cyclic sulfate
Brand: ALDRICH

≥99.5%, ≤5 μmol/g acid, anhydrous, battery grade

Synonyme(s) :

1,3,2-Dioxathiane 2,2-dioxide, 1,3,2-dioxathiane-2,2-dione, PCS battery additive, Trimethylene sulfate

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A propos de cet article

Formule empirique (notation de Hill) :

C₃H₆O₄S

Numéro CAS:

1073-05-8

Poids moléculaire :

138.14

UNSPSC Code:

12352100

MDL number:

MFCD00801144

NACRES:

NA.21

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Propriétés

Quality Segment

100

grade

anhydrous, battery grade

assay

≥99.5%

form

powder or crystals

impurities

≤100 ppm H₂O, ≤5 μmol/g acid

bp

153 °C

mp

58-62 °C (lit.), 59-62 °C

solubility

soluble (H₂O: highly soluble(lit.)), soluble (carbonates: soluble(lit.)), soluble (glymes: soluble(lit.))

application(s)

battery manufacturing
battery precursors

SMILES string

O=S1(=O)OCCCO1

InChI

1S/C3H6O4S/c4-8(5)6-2-1-3-7-8/h1-3H2

InChI key

OQYOVYWFXHQYOP-UHFFFAOYSA-N

Description

General description

1,3-propanediol cyclic sulfate, abbreviated PCS, is a white solid at room temperature. PCS is soluble in water, carbonates, glymes, and many of the polar solvents used in battery liquid electrolytes.

Application

1,3-propanediol cyclic sulfate is used as a film-forming additive in battery liquid electrolytes and hybrid liquid-solid electrolytes, at concentrations up to 3%. During battery operation, 1,3-propanediol cyclic sulfate (PCS) is sacrificially reduced on the surface of the anode to form a protective and ionically conductive SEI layer and is sacrificially oxidized on the cathode to form a protective and ionically conductive CEI layer. Recent results show PCS helps form a sulfur-rich layer on graphite, NMC, LiCoO₂, and LiMNO electrodes. These layers significantly improve the battery’s cycling performance at high temperatures and inhibits the production of gas.[] Our battery grade PCS meets specifications for high purity, low moisture, and low acid content to facilitate optimal performance of your electrolyte formulation.

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Cet article	464163	204986	31665
Sigma-Aldrich 939927 1,3-Propanediol cyclic sulfate	Sigma-Aldrich 464163 1,3-Propanediol cyclic sulfate	Sigma-Aldrich 204986 Sulfate de zinc heptahydraté	Sigma-Aldrich 31665 Sulfate de zinc heptahydraté
description ≥99.5%, ≤5 μmol/g acid, anhydrous, battery grade	description 98%	description ≥99.95% trace metals basis	description puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%
Quality Level 100	Quality Level 200	Quality Level 200	Quality Level 200
assay ≥99.5%	assay 98%	assay ≥99.95% trace metals basis	assay ≥99.5%
grade anhydrous, battery grade	grade -	grade -	grade puriss. p.a., ACS reagent
form powder or crystals	form solid	form powder, crystals or chunks	form powder or crystals
impurities ≤100 ppm H₂O, ≤5 μmol/g acid	impurities -	impurities ≤500.0 ppm Trace Metal Analysis	impurities ≤0.0005% total nitrogen (N)
application(s) battery manufacturing battery precursors	application(s) -	application(s) -	application(s) -

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Pictogrammes

GHS08,GHS05,GHS07

Mot-clé

Danger

Codes de danger

H317,H318,H341,H351

Mentions de précaution

P202 - P261 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313

Hazard Classifications

Carc. 2 - Eye Dam. 1 - Muta. 2 - Skin Sens. 1B

Classe de stockage

11 - Combustible Solids

Que se passe-t-il ?

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)