Polyvinyl butyral

Basic Information

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CAS Number

63148-65-2

Molecular Formula

(C8H14O2)n

Molecular Weight

142.2 g/mol

EINECS

613-158-6

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

90-120 ºC

Density

1.08

Refractive Index

1.485

SMILES

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CCCC1OC(-*)CC(C-*)O1

LogP

1.7610999999999999

Topological Polar Surface Area

18.46 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

281

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

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

Stability

Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents.

RTECS

TR4955000

Synonyms & References

English

PVB
POLYVINYLBUTYRAL RESIN
POLY(VINYL BUTYRAL)
POLY(VINYL BUTYRAL) 1,000
POLY(VINYL BUTYRAL) 2,000
POLY(VINYL BUTYRAL) 2,400
POLY(VINYL BUTYRAL) 630
POLY(VINYL BUTYRAL) 800
POLY(VINYL BUTYRAL) 920
Polyvinyl butyral
Polyvinyl Butyral（PVB）
Butvar B-98
Butvar&reg
Butvar? B-98
M.W. 25000-40000
M.W.170,000-250,000
M.W.40,000-70,000
M.W.90,000-120,000
Poly[(2-propyl-1,3-dioxane-4,6-diyl)methylene]
Polyvinyl butyral resin
Butvar® B-76Polyvinyl butyral
Butvar® B-72 Polyvinyl butyral
Butvar® B-98 Polyvinyl butyral
Polyvinyl butyral film
Polyvinyl Butyral (PVB)
Poly(vinyl butyral)M.W. 30,000 - 35,000
Poly(vinyl butyral), fine granular powder,nominal M.W. 36,000
Butvar(R) B-98
B-72 Polyvinyl butyral
Butvar®B-76Polyvinyl butyral

MDL Number

MFCD00084458

EC Number

613-158-6

Customs Code

39059990

FAQ

What is Polyvinyl butyral (CAS: 63148-65-2)?

Polyvinyl butyral (CAS: 63148-65-2) is a synthetic polymer used as a binder and film-forming agent. It has the chemical formula (C6H8O3)n and is known for its excellent adhesion, flexibility, and transparency. This compound is commonly used in various industries due to its durability and resistance to environmental factors.

What are the main uses of Polyvinyl butyral (CAS: 63148-65-2)?

Polyvinyl butyral (CAS: 63148-65-2) is widely used in the manufacturing of laminated safety glass, automotive interiors, and as a coating material. It also finds applications in the pharmaceutical industry for tablet coatings and in the production of adhesives, sealants, and as a component in some food packaging materials.

Is Polyvinyl butyral (CAS: 63148-65-2) safe?

Polyvinyl butyral (CAS: 63148-65-2) is generally considered safe when used properly. It is non-toxic and does not release harmful substances under normal conditions. However, handling precautions should be taken to avoid inhalation or skin contact, and appropriate safety standards should be followed during industrial use.

How should Polyvinyl butyral (CAS: 63148-65-2) be stored?

Polyvinyl butyral (CAS: 63148-65-2) should be stored in a cool, dry place away from direct sunlight. It is best kept in tightly sealed containers to prevent moisture absorption. Proper storage conditions help maintain its stability and prolong its shelf life.