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Chemical Name: Butyl 3-mercaptopropionate

Functions: Chain Transfer Agent, Intermediate, Polymerization Modifier

Chemical Family: Esters, Thiols

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Identification & Functionality

Chemical Family
Base Chemicals Functions
Plastics & Elastomers Functions
CAS No.
16215-21-7
EC No.
240-343-5

Applications & Uses

Markets
Base Chemicals End Uses
Applications

Evabopol® 494 is mainly used in polymer industry as a reactive intermediate or as a polymer modifier.

Properties

Physical Form
Odor
Characteristic
Appearance
Clear colorless liquid
Typical Properties
ValueUnitsTest Method / Conditions
Acid Numbermax. 1Alkalimetric (EC828B)
Assay98 - 100w%Iodometric (EC828A)
Flash Point195 - 206°FLiterature
Refractive Index (at 20°C)1.45580 - 1.4580USP831 (EC006)

Regulatory & Compliance

Certifications & Compliance
Registrations
  • Europe            REACh registered 01-2120768144-53-0000
  • USA                TSCA
  • Canada           DSL
  • Australia          AICS
  • Japan              ENCS: 2-1382X
  • Korea              KECI: KE 2004-3-3026
  • Philippines      PICCS:
  • New Zealand  NZIoC:
  • PR China        IECSC:

Packaging & Availability

Standard Packaging

For more information contact Evans Chemetics.

Storage & Handling

Shelf Life
12 Months
Storage & Handling
  • Storage Stability: In sealed original packing 12 months from production date, see remarks below*).
  • Storage Conditions: Room temperature (max.. 25°C)
  • Annotations: Content and acid number are valid for the day of production. 

*) All esters of 3-mercaptopropionic acid tend to oxidize at contact with air. This is the main reason for a slow decrease of content. The evolving water causes a slight increase of the acid number. Storage time is valid exclusively for originally sealed packages. 

  • Handling Guidelines: Consult the appropriate Safety Data Sheet for safety and handling guidelines for this product.