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Molekula

Molekula

(S)-(+)-2-Butanol

SKU 50323992 CAS 4221-99-2 C4H10O MW 74.12 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

S)-(+)-2-Butanol is a chiral alcohol with the molecular formula C4H10O and a molecular weight of 74.12. It is primarily used as a solvent, intermediate in organic synthesis, and in the production of pharmaceuticals, flavors, and fragrances. This chemical has a CAS number of 4221-99-2 and requires ambient storage conditions. The signal word for this product is Warning. Molekula supplies S)-(+)-2-Butanol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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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 — $117.70 per pack

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Specifications

Property Value
Appearance Liquid

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 24 °C
Transport Class 3
Packing Group III

Identification

Property Value
SKU 50323992
CAS Number 4221-99-2
IUPAC Name (2S)-butan-2-ol
EC Number 224-168-1
Molecular Formula C4H10O
Molecular Weight 74.12
Exact Mass 74.0732
SMILES CC[C@H](C)O
InChIKey BTANRVKWQNVYAZ-BYPYZUCNSA-N
InChI InChI=1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3/t4-/m0/s1
PubChem CID 444683
UN Number UN1120
REACH Code Y110
HTS Code 29051450
Tariff Code 2905149000

Safety & GHS

Warning
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H226 Flammable liquid and vapour
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H336 May cause drowsiness or dizziness

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P220 Keep/Store away from clothing/combustible materials
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

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

  • (+)-2-Butanol
  • (1S)-1-methylpropanol
  • (2S)-2-butanol
  • (2S)-butan-2-ol
  • (5)-(+)-sec-butanol
  • (s)-(+)-sec-butanol
  • (S)-(+)-sec-Butyl alcohol
  • (S)-Butan-2-ol
  • 2-Butanol, (2S)-
  • D-BUTANOL

Frequently asked questions

What is S)-(+)-2-Butanol commonly used for?

S)-(+)-2-Butanol is primarily used as a solvent, intermediate in organic synthesis, and in the production of esters, pharmaceuticals, and flavor/fragrance compounds.

What is the chemical formula and molecular weight of S)-(+)-2-Butanol?

The chemical formula is **C₄H₁₀O**, and the molecular weight is **74.12 g/mol**.

What safety classification does S)-(+)-2-Butanol have?

The product carries a **Signal Word: Warning** under GHS classification, indicating moderate hazard.

How should S)-(+)-2-Butanol be stored?

Store in a tightly sealed container at **ambient temperature**, away from ignition sources and incompatible materials.

Does Molekula supply S)-(+)-2-Butanol in bulk quantities?

Yes, Molekula can supply S)-(+)-2-Butanol in bulk, with quantities tailored to your requirements—please contact us for details.

What documentation is provided with an order of S)-(+)-2-Butanol?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **Certificate of Origin** for traceability.

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