2-Methyl-1,3-propanediol

Basic Information

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CAS Number

2163-42-0

Molecular Formula

C4H10O2

Molecular Weight

90.12 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

−91 °C

Boiling Point

214°C

Refractive Index

n20/D 1.445(lit.)

SMILES

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CC(CO)CO

InChI

InChI=1S/C4H10O2/c1-4(2-5)3-6/h4-6H,2-3H2,1H3

InChIKey

QWGRWMMWNDWRQN-UHFFFAOYSA-N

LogP

-0.3929

Topological Polar Surface Area

40.46 Å²

Hydrogen Bond Donor/Acceptor

2 / 2

Complexity

24.7

Synonyms & References

English

2-Methylpropane-1,3-diol
1,3-DIHYDROXY-2-METHYLPROPANE
2-METHYL-PROPAN-1,3-DIOL
MPDIOL(R)
MPDIOL(R) GLYCOL
2-methyl-3-propanediol
3-Propanediol,2-methyl-1
MP diol glycol
METHYLPROPANEDIOL
3-Methyl-1,3-Propanediol
1,3-Propanediol, 2-methyl-
MPDIOL MPD
2-Methyl-1,3-propanediol
β-Hydroxyisobutanol
1,3-Propanediol,2-methyl
isobutane-1,3-diol
MPO
Propane-1,3-diol,2-methyl
1,3-Dihydroxyisobutane
2-Methyl-1,3-propandiol
2-Methylpropan-1,3-diol
MPDiol
b-Hydroxyisobutanol
N8F53B3R4R
Propane-1,3-diol, 2-methyl-
QWGRWMMWNDWRQN-UHFFFAOYSA-N
methyl propanediol
2-methypropan-1,3-diol
DSSTox_CID_9231
DSSTox_RID_78720
DSSTox_GSID_29231

MDL Number

MFCD00082586

Customs Code

2905399090

FAQ

What is 2-Methyl-1,3-propanediol (CAS: 2163-42-0)?

2-Methyl-1,3-propanediol (CAS: 2163-42-0) is a colorless, viscous liquid with the chemical formula C4H10O2. It features a propane backbone with hydroxyl groups on carbons 1 and 3, and a methyl group on carbon 2. The compound is soluble in water and common organic solvents, with a hygroscopic nature and a boiling point of approximately 185°C. It is primarily used as a chemical intermediate in industrial and research applications due to its functional groups and reactivity.

What are the main uses of 2-Methyl-1,3-propanediol (CAS: 2163-42-0)?

2-Methyl-1,3-propanediol (CAS: 2163-42-0) is widely utilized in pharmaceuticals as a solvent and excipient, in the production of polyurethanes and resins for industrial coatings, and in research for synthesizing derivatives like esters and ethers. It also serves as a precursor in the manufacture of various chemical products, including surfactants and plasticizers, due to its versatile functionality and compatibility with multiple reaction pathways.

Is 2-Methyl-1,3-propanediol (CAS: 2163-42-0) safe?

2-Methyl-1,3-propanediol (CAS: 2163-42-0) is generally considered safe when handled properly, but it requires caution due to its potential irritancy to skin and eyes. Safety standards recommend using appropriate protective equipment, such as gloves and goggles, and ensuring adequate ventilation. While it is not classified as highly toxic, prolonged exposure or ingestion should be avoided, and adherence to OSHA and EPA guidelines is essential for safe handling.

How should 2-Methyl-1,3-propanediol (CAS: 2163-42-0) be stored?

2-Methyl-1,3-propanediol (CAS: 2163-42-0) should be stored in a cool, dry, and well-ventilated area, ideally at 20-25°C. It is hygroscopic, so airtight containers are necessary to prevent moisture absorption. Protection from light is recommended, and storage away from incompatible materials like strong oxidizers is crucial. The compound remains stable under standard conditions but should be kept in a sealed container to maintain purity and prevent degradation.