Tetrahydro-2H-pyran

Basic Information

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CAS Number

142-68-7

Molecular Formula

C5H10O

Molecular Weight

86.13 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

−45 °C

Boiling Point

88°C

Water Solubility

80 g/L (25 ºC)

Solubility

>80.2g/l

Refractive Index

n20/D 1.42(lit.)

SMILES

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C1CCOCC1

InChI

InChI=1S/C5H10O/c1-2-4-6-5-3-1/h1-5H2

InChIKey

DHXVGJBLRPWPCS-UHFFFAOYSA-N

LogP

1.1869

Topological Polar Surface Area

9.23 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

30.9

Safety Information

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GHS Hazard Pictograms

H225

H315

H319

H335

Hazard Statement

H225 Highly Flammable liquid and vapor
Flammable liquids

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 3 Class 3

Synonyms & References

English

EINECS 205-552-8
142-68-7
Oxacyclohexane
HSDB 126
tetrahydro-pyran
A807947
FT-0631828
InChI=1/C5H10O/c1-2-4-6-5-3-1/h1-5H
V06I3ILG6B
Tetrahydro-2H-pyran
2H-tetrahydropyran
PYE
Tetrahydro-4H-pyran
1,1-dioxane
AKOS009031627
J-524857
AI3-16499
Tetrahydropyran, anhydrous, 99%
Pentamethylene oxide
F0001-0499
MFCD00006585
UNII-V06I3ILG6B
2H-Pyran, tetrahydro-
TETRAHYDROPYRAN [HSDB]
NS00021654
TETRAHYDROPYRAN
T0110
Tetrahydropyrane
Oxane
Q412815
DB02412

MDL Number

MFCD00006585

Customs Code

2932999099

FAQ

What is Tetrahydro-2H-pyran (CAS: 142-68-7)?

Tetrahydro-2H-pyran (THP, CAS: 142-68-7) is a cyclic ether compound often used as a building block in chemical synthesis. It has the chemical formula C4H8O2 and a molecular weight of 88.11 g/mol. THP is colorless and has a slightly sweet odor. It is often used as a solvent and in the synthesis of various organic compounds.

What are the main uses of Tetrahydro-2H-pyran (CAS: 142-68-7)?

Tetrahydro-2H-pyran (THP, CAS: 142-68-7) is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and polymers. It is also used as a solvent in organic synthesis and as a component in the production of coatings and adhesives.

Is Tetrahydro-2H-pyran (CAS: 142-68-7) safe?

Tetrahydro-2H-pyran (THP, CAS: 142-68-7) is considered relatively safe under normal industrial conditions. However, it should be handled with care due to its flammability. It is important to follow proper safety procedures, including the use of appropriate personal protective equipment and the implementation of fire safety measures.

How should Tetrahydro-2H-pyran (CAS: 142-68-7) be stored?

Tetrahydro-2H-pyran (THP, CAS: 142-68-7) should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container to prevent exposure to air and moisture. The storage area should have proper ventilation and be accessible only to authorized personnel. It is advisable to avoid storing THP near flammable materials to minimize the risk of fire.