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Di-tert-butyl dicarbonate (DIBOC)

CAS 24424-99-5 [(CH3)3COCO]2O MW 218.25 In stock

Di-tert-butyl dicarbonate (DIBOC) is a protecting group reagent used in organic synthesis, particularly for the selective protection of amines. It is a stable, crystalline solid that readily decomposes under acidic conditions to release tert-butyl groups. CAS: 24424-99-5, Molecular Formula: C10H18O5, Molecular Weight: 218.25 g/mol, Storage: 2 to 8 °C, Signal Word: Danger. Molekula supplies Di-tert-butyl dicarbonate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Di-tert-butyl dicarbonate (DIBOC) is a protecting group reagent used in organic synthesis, particularly for the selective protection of amines. It is a stable, crystalline solid that readily decomposes under acidic conditions to release tert-butyl groups. CAS: 24424-99-5, Molecular Formula: C10H18O5, Molecular Weight: 218.25 g/mol, Storage: 2 to 8 °C, Signal Word: Danger. Molekula supplies Di-tert-butyl dicarbonate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance low melting solid - can appear as a colorless transparent liquid
Melting Point 22 to 24deg C
Assay (GC) 99%min

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Flash Point 37 C
Transport Class 6.1 (3)
Packing Group II
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 24424-99-5
Molecular Formula [(CH3)3COCO]2O
Molecular Weight 218.25
SMILES CC(C)(C)OC(=O)OC(=O)OC(C)(C)C
EC / UN Number 2929
REACH Code Y110
TSCA Listed Yes
Tariff Code 2920901050

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
  • H228 Flammable solid
  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H318 Causes serious eye damage
  • H330 Fatal if inhaled
  • H335 May cause respiratory irritation

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P284 Wear respiratory protection
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention

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

  • 25 g

    £25.74 · per pack

  • 100 g

    £55.69 · 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 Di-tert-butyl dicarbonate (DIBOC) used for?

DIBOC is primarily used as a protecting group for amines in organic synthesis, particularly in peptide chemistry.

What is the chemical formula and molecular weight of DIBOC?

The formula is [(CH3)3COCO]2O and the molecular weight is 218.25 g/mol.

How should DIBOC be stored?

DIBOC should be stored at 2 to 8 °C in a cool, dry place away from light and incompatible materials.

What grade of DIBOC does Molekula supply?

Molekula supplies DIBOC in high-purity grade suitable for laboratory and synthetic applications.

Can Molekula supply DIBOC in bulk quantities?

Yes, Molekula can supply DIBOC in bulk quantities—please contact our sales team for volume pricing and availability.

What documentation comes with a DIBOC order?

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

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