Flavors & Fragrances
REACH
Isobutyl isobutyrate
CAS Number
97-85-8
EC Number
202-612-5
FEMA Number
FEMA 2189
Abbreviation
IBIB
What is Isobutyl isobutyrate?
Isobutyl isobutyrate (CAS 97-85-8), commonly abbreviated as IBIB, is an ester used in the flavor and fragrance industry for its clean, fruity, sweet character. FEMA 2189.
Where is Isobutyl isobutyrate used?
- Food and beverage: fruity top notes in confectionery, baked goods and fruit-flavored drinks
- Personal care: light, fresh, sweet accords in lotions, shampoos and soaps
- Flavor concentrates and aroma blends: compatibility with other esters and terpenes
- It functions as a flavoring agent in food products and as a scent component in cosmetic formulations.
Good to know: Buyers should confirm specification sheets for purity thresholds and organoleptic benchmarks relevant to their application.
Commercial specifications
- Food-grade quality meeting FEMA and flavor industry purity standards
- Packaging from drums to isotanks for bulk orders
Other Names (Synonyms)
2-methylpropyl 2-methylpropanoate|2-methylpropionic acid isobutyl ester|2-methylpropanoic acid 2-methylpropyl ester|Isobutyl isobutanoate|Isobutyl 2-methylpropanoate|2-Methylpropyl 2-methylpropionate|2-METHYLPROPYL ISOBUTYRATE|Isobutyric acid, isobutyl ester|IBIB
What are the physical properties of Isobutyl isobutyrate?
Melting Point -80.66 °C
Boiling Point 148.6 °C
Density 0.8750 g/cm³ @ Temp: 0 °C
Flash Point 99 °F
Appearance CLEAR LIQUID
Color Clear
Odor at 100.00 %. ethereal fruity tropical fruit pineapple grape skin banana
Form Liquid
Water Solubility Soluble in water (1 g/L at 20oc).
Vapor Pressure 1 mm Hg ( 39.9 °C)
Refractive Index n 20/D 1.398(lit.)
pH 7 (H2O)
Log P 3.17 at 20℃
How is Isobutyl isobutyrate classified and handled safely? Learn More
Warning
GHS02· Flammable GHS07· Irritant
Hazard Statements
H226 Flammable liquid and vapor
H336 May cause drowsiness or dizziness
H402 Harmful to aquatic life
H412 Harmful to aquatic life with long lasting effects
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment.
Which trade and regulatory codes apply to Isobutyl isobutyrate?
HS Code 29159000
UN Number 2528
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 2