HYDROXY TERMINATED POLYBUTADIENE

Basic Information

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CAS Number

69102-90-5

Molecular Formula

C3H3F3O3

Molecular Weight

144.05 g/mol

EINECS

614-926-3

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ethers

Fine Chemicals Specialty Chemicals UV Stabilizers

Electronic Chemicals Semiconductor Materials Etchants

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Water Treatment Chemicals Disinfectants Chlorine Compounds

Basic Physical Properties

Density

0.913 g/mL at 25 °C

Flash Point

113 °C

Refractive Index

n20/D 1.5126

SMILES

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FC(OCC(=O)O)(F)F

InChI

1S/C3H3F3O3/c4-3(5,6)9-1-2(7)8/h1H2,(H,7,8)

InChIKey

CZXZCEUXKFLRHN-UHFFFAOYSA-N

LogP

0.6074000000000002

Topological Polar Surface Area

46.53 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

107

Synonyms & References

English

1,3-Butadiene,homopolymer, hydroxy-terminated
Hydroxyl-terminated polybutadiene（HTPB）
POLYBUTADIENE, HYDROXYL TERMINATED MW 2000 LIQUID HYDROXYL VALUE 0.7 MEQ G
Hydroxyl-terminated polybutadiene（HTPB）
HYDROXY TERMINATED POLYBUTADIENE
HTPB
2-(TRIFLUOROMETHOXY)ACETIC ACID
(trifluoromethoxy)acetic acid
trifluoromethoxyacetic acid
BBL101855
STL555652
SY039896
POLYBUTADIENE, DIHYDROXY TERMINATED
POLY(BUTADIENE)DIOL
POLYBUTADIENE, HYDROXYL FUNCTIONALIZED
POLYBUTADIENE HYDROXYL TERMINATED
1,3-Butadiene,homopolymer,hydroxy-terminated
Hydroxyl-terminated polybutadiene
fluid rubber

EC Number

614-926-3

FAQ

What are the physical and chemical properties of Hydroxy Terminated Polybutadiene (CAS: 69102-90-5)?

Hydroxy Terminated Polybutadiene (HTPB) is a flexible polymer with a glass transition temperature around -60°C. It has a high molecular weight, typically ranging from 10,000 to 200,000 g/mol. HTPB has good solubility in organic solvents like toluene and poor water solubility. It is reactive due to terminal hydroxyl groups, which can undergo condensation or esterification reactions.

How is Hydroxy Terminated Polybutadiene (CAS: 69102-90-5) typically synthesized?

HTPB is synthesized by a ring-opening polymerization of 1,3-butadiene followed by hydroxylation at the terminal ends. This process can be catalyzed using metal complexes such as platinum or selenium. The polymerization typically yields 90-95% selectivity with high yield.

What industries use Hydroxy Terminated Polybutadiene (CAS: 69102-90-5)?

HTPB is widely used in aerospace and defense industries for rocket propellant binders. It is also utilized in the pharmaceutical industry as a carrier for drugs and in the polymer industry for coatings and adhesives. Additionally, it is used in sensors and semiconductors for its thermal and mechanical stability.

What precautions should be taken when handling Hydroxy Terminated Polybutadiene (CAS: 69102-90-5)?

When handling HTPB, wear appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coat. Work in a well-ventilated area or fume hood. Spills should be cleaned up with appropriate absorbents and disposed of according to local regulations. Refer to the Safety Data Sheet (SDS) for detailed information on handling and storage.