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Molekula

Molekula

Angelic Acid

SKU 90005582 CAS 565-63-9 C5H8O2 MW 100.12 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Angelic acid is a naturally occurring unsaturated carboxylic acid used in organic synthesis and fragrance formulation. It is a key intermediate in the production of pharmaceuticals and fine chemicals. Available with CAS number 565-63-9, molecular formula C5H8O2, and molecular weight 100.12, it requires storage at -15 to -20 °C. This product is classified as Danger. Molekula supplies Angelic Acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

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  • 1 g — £77.90 per pack ex VAT · £93.48 inc. VAT

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Specifications

Property Value
Appearance White to pale yellow powder
Melting Point 44-46℃
Storage Temperature +4℃
Purity (GC) ≥98.0%
Identification (1H-NMR) Conforms to Structure
Tiglic Acid ≥0.5%

Storage & handling

Property Value
Storage Temperature -15 to -20 °C
Transport Class 8
Packing Group II
Acidity Acid

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Melting Point 45 °C
Boiling Point 85.50 to 87.5 °C at 13 mmHg

Source: PubChem CID 643915 (Human Metabolome Database (HMDB))

Identification

Property Value
SKU 90005582
CAS Number 565-63-9
IUPAC Name (Z)-2-methylbut-2-enoic acid
EC Number 209-284-2
Molecular Formula C5H8O2
Molecular Weight 100.12
Exact Mass 100.0524
SMILES C/C=C(/C)\C(=O)O
InChIKey UIERETOOQGIECD-ARJAWSKDSA-N
InChI InChI=1S/C5H8O2/c1-3-4(2)5(6)7/h3H,1-2H3,(H,6,7)/b4-3-
PubChem CID 643915
UN Number UN3261
REACH Code Y110
HTS Code 2916195000
Tariff Code 2916199590

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05

Hazard statements

  • H290 May be corrosive to metals
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage

Precautionary statements

  • P234 Keep only in original container
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

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.

Synonyms

  • (2Z)-2-methylbut-2-enoic acid
  • (Z)-2-methylcrotonic acid
  • 2-butenoic acid, 2-methyl-, (2Z)-
  • 2-Butenoic acid, 2-methyl-, (Z)-
  • 2-methyl-2Z-butenoic acid
  • acide angelique
  • acido angelico
  • Angelicasaeure
  • Angelikasaeure
  • cis-2-Methyl-2-butenoic acid

Frequently asked questions

What is Angelic Acid used for?

Angelic acid is primarily used as a synthetic intermediate in organic chemistry, particularly in the synthesis of pharmaceuticals and fine chemicals.

What is the chemical formula and molecular weight of Angelic Acid?

The chemical formula of Angelic acid is C5H8O2, and its molecular weight is 100.12 g/mol.

How should Angelic Acid be stored?

Angelic acid should be stored at temperatures between -15 and -20 °C to maintain stability and prevent degradation.

What grade of Angelic Acid does Molekula supply?

Molekula supplies Angelic Acid in technical grade, suitable for research and industrial applications.

Can Molekula supply Angelic Acid in bulk?

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

What documentation comes with an order of Angelic Acid?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with GHS standards.

Ready to order or need a custom pack?

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