company tower banner
Interbusiness U.S.A Company Logo
IIntercure® 2 is produced by IB Chem S.r.l. - INTERBUSINESS Group, is a phosphonium salt used as accelerator for Fluoroelastomers (FKM); adhesion promoter of Fluoroelastomers (FKM) to a variety of other elastomers; curative for Polyacrylate polymers (ACM) for which it increases the compound shelf life, improves compression set, and reduces the mold fouling.

Chemical Name: Tetraphenylphosphonium bromide

CAS Number: 2751-90-8

Functions: Accelerator

Compatible Polymers & Resins: Fluoroelastomer (FKM), Polyacrylate Rubber (ACM)

Features: Excellent Anti-Fouling Properties, Long Shelf Life, Low Compression Set

Technical Data Sheet
  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
CAS No.
2751-90-8
Molecular formula
C₂₄H₂₀BrP
EC No.
220-393-4
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses

Properties

Physical Form
Appearance
White to off white powder
Soluble in
Alcohols
Typical Properties
ValueUnitsTest Method / Conditions
Puritymin. 98.5%-
Density1.34g/ml-
Melting Pointmin. 290°C-
Triphenyl Phosphine & Phosphonium Saltmax. 0.5%-
Loss on Dryingmax. 0.5%-
Ash Contentmax. 0.5%ASTM D 482
Particle Size (< 35μm)100% Volume-

Regulatory & Compliance

Certifications & Compliance

Safety & Health

Safety & Health

Contact may cause eye, respiratory system and skin irritation. Harmful if swallowed. Do not breathe dust. Gloves, safety goggles, respirator masks and protective clothing should be worn when handling the powder. Local exhaust is recommended to remove dust. Avoid heat, sparks and open flames. Processing equipment should be well grounded. Avoid release to the environment.

Storage & Handling

Storage Stability

Keep container tightly closed in a cool and dry place (23°C and 50% RH). After 24 months, retest before use.