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Isobutyric acid

CAS 79-31-2 (CH3)2CHCO2H MW 88.11 In stock

Isobutyric acid is a branched-chain carboxylic acid used in the synthesis of esters, pharmaceuticals, and flavorings. It is a colorless liquid with a pungent odor. CAS: 79-31-2, molecular formula: (CH3)2CHCO2H, molecular weight: 88.11 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Isobutyric acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Isobutyric acid is a branched-chain carboxylic acid used in the synthesis of esters, pharmaceuticals, and flavorings. It is a colorless liquid with a pungent odor. CAS: 79-31-2, molecular formula: (CH3)2CHCO2H, molecular weight: 88.11 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Isobutyric acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Colourless transparent liquid
Assay ≥99.0%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 55 C
Transport Class 3 (8)
Packing Group III
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 79-31-2
Molecular Formula (CH3)2CHCO2H
Molecular Weight 88.11
SMILES O=C(O)C(C)C
EC / UN Number 2529
REACH Code Y110
TSCA Listed Yes
HTS Code 29159018
Tariff Code 2915601990

Safety & GHS

Danger
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Compressed Gas Compressed Gas GHS04
  • GHS pictogram — Corrosive Corrosive GHS05

Hazard statements

  • H226 Flammable liquid and vapour
  • H302 Harmful if swallowed
  • H311 Toxic in contact with skin
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 500 g

    £72.00 · per pack

  • 500 mL

    £85.00 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is isobutyric acid used for?

Isobutyric acid is used in the synthesis of pharmaceuticals, fragrances, and as a flavoring agent in food products.

What is the chemical formula and molecular weight of isobutyric acid?

The formula is (CH3)2CHCO2H and the molecular weight is 88.11 g/mol.

How should isobutyric acid be stored?

It should be stored at ambient temperature, away from incompatible materials and moisture.

What grade of isobutyric acid does Molekula supply?

Molekula supplies isobutyric acid in technical grade; custom grades available upon request.

Can Molekula supply isobutyric acid in bulk?

Yes, Molekula can supply isobutyric acid in bulk quantities; please contact sales for details.

What documentation comes with an order of isobutyric acid?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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