Skip to Content
Merck

Key Documents

View All Documentation

774243

1,3-Propylene sulfite

99%

greener alternative

Greener Alternative

Synonym(s):

2-Oxo-1,3,2-dioxathiane, PS, TMS, Trimethylene sulfite

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C3H6O3S
CAS Number:
4176-55-0
Molecular Weight:
122.14
NACRES:
NA.23
PubChem Substance ID:
329767669
UNSPSC Code:
26111700
EC Number:
224-044-7
MDL number:
MFCD01682880
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

assay

99%

form

liquid

sustainability

Sustainability features

refractive index

n20/D 1.453

bp

73 °C (lit.)

mp

-25 °C (lit.)

density

1.347 g/mL at 25 °C

application(s)

battery manufacturing
battery precursors

SMILES string

O=S1OCCCO1

InChI

1S/C3H6O3S/c4-7-5-2-1-3-6-7/h1-3H2

InChI key

LOURZMYQPMDBSR-UHFFFAOYSA-N

General description

This product aligns with one or more of the 12 Principles of Green Chemistry Find details here.

Application

Trimethylene sulfite is used as high temperature additive for electrolytes in Lithium ion batteries. It improves the decomposition resistance of the electrolyte.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Precautionary Statements

P261 - P280 - P305 + P351 + P338

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

183.0 °F

Flash Point (°C)

83.9 °C

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library