ISO-BUTYRIC ACID 99% FOR SYNTHESIS

2-Methylpropionic acid

Product CodeB-00587BRANDBio-Chem
GradeFor SynthesisCAS No79-31-2
Purity99%Molecular Weight204.04
H.S.Code2915.70900Shelf Life60 Months
Molecular FormulaC4H8O2

Physical Properties

Physical state at 20 °CLiquidColourClear Colorless
OdourStenchSolubility in water [% weight]Soluble in water
Melting point/ Freezing point [°C]-47 °CpH value2.5 at 100 g/l at 20 °C
Flash point [°C]55 °CBoiling point [°C]153 - 154 °C
Initial boiling point [°C]153 °CFinal boiling point [°C]154 °C
Vapour pressure [20°C]2 hPa at 20 °CVapour density3.04
Density [g/cm3]0.95Partition coefficient Log Pow octanol / water at 20°C0.604
Explosion limits - upper [%]10%Explosion limits- lower [%]2%

Packaging

Specification

Appearance
Clear colorless liquid
Purity (by GC)
Min 99.0%
Density (d20°C/4°C)
0.946 – 0.950 g/ml
Water (H2O)
Max 0.1%

Safety Information and Hazard Symbols

Symbol: GHS02,GHS05,GHS06
Signal Word: Danger
UN No.: 2529
IMCO Class No.: 3 (8)
Packing Group: III
Hazardous Statement: H226-H302-H311-H314
Precaution Statement: P210-P280-P303+361+353-P305+351+338-P310

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