Benzocyclobutene

ChemicalBook > CAS DataBase List > Benzocyclobutene

Product Name: Benzocyclobutene
CAS No.: 694-87-1
Chemical Name: Benzocyclobutene
Synonyms: BICYCLO[4.2.0]OCTA-1,3,5-TRIENE;Cardene;Benzocyclobutene (BCB);1,2-dihydrocyclobutabenzene;Bicyclo[4.2.0]octa-1(6),2,4-triene;Benzocyclobutane;BENZOCYCLOBUTENE;1,2-Ethenobenzene;2,3-Vinylenebenzene;1,2-Vinylenebenzene
CBNumber: CB7663345
Molecular Formula: C8H8
Formula Weight: 104.15
MOL File: 694-87-1.mol

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Benzocyclobutene Property

Boiling point:: 150 °C/748 mmHg (lit.)
Density: 0.957 g/mL at 25 °C (lit.)
refractive index: n20/D 1.541(lit.)
Flash point:: 97 °F
storage temp.: Sealed in dry,Room Temperature
form: clear liquid
color: Colorless to Almost colorless
CAS DataBase Reference: 694-87-1(CAS DataBase Reference)
NIST Chemistry Reference: Bicyclo[4.2.0]octa-1,3,5-triene(694-87-1)
EPA Substance Registry System: Bicyclo[4.2.0]octa-1,3,5-triene (694-87-1)

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Safety

Risk Statements: 10
Safety Statements: 16
RIDADR: UN 3295 3/PG 3
WGK Germany: 3
HazardClass: 3
PackingGroup: Ⅲ
HS Code: 29029090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H226Flammable liquid and vapour

H304May be fatal if swallowed and enters airways

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 164410
Product name: Benzocyclobutene
Purity: 98%
Packaging: 500mg
Price: $163.8
Updated: 2024/03/01

TCI Chemical

Product number: B3863
Product name: Benzocyclobutene
Purity: >94.0%(GC)
Packaging: 1g
Price: $126
Updated: 2024/03/01

TCI Chemical

Product number: B3863
Product name: Benzocyclobutene
Purity: >94.0%(GC)
Packaging: 200mg
Price: $42
Updated: 2024/03/01

TRC

Product number: B198290
Product name: Benzocyclobutene
Packaging: 5g
Price: $495
Updated: 2021/12/16

Frontier Specialty Chemicals

Product number: JK101327
Product name: Benzocyclobutene
Purity: 95%
Packaging: 250mg
Price: $155
Updated: 2021/12/16

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Benzocyclobutene Chemical Properties,Usage,Production

Chemical Properties

Colorless liquid

Uses

Benzocyclobutene (BCB) is composed of a benzene ring fused to a cyclobutane ring (chemical formula C8H8). It is frequently used to create photosensitive polymers. BCB-based polymer dielectrics may be spun on various substrates, with good step coverage properties that make them useful to planarize uneven topographies. Applications include wafer bonding, optical interconnects, semihermetic package sealing, passivation, and low-k dielectrics. BCB has been also reported as a material with good biocompatibility, being used in intracortical neural implants and other biomedical applications.

Uses

Benzocyclobutene was used as the adhesive bonding material in adhesive wafer-level bonding technique. Photosensitive benzocyclobutene has been widely used as dielectric material in multilayer packaging applications. It was used in fabrication of high density multilayer interconnect structures using gold metallization and polymer interlayer dielectric.

Definition

ChEBI: A carbobicyclic compound that is benzene fused to a cyclobutane ring.

Synthesis Reference(s)

Journal of the American Chemical Society, 97, p. 5600, 1975 DOI: 10.1021/ja00852a057
The Journal of Organic Chemistry, 38, p. 3412, 1973 DOI: 10.1021/jo00959a039
Tetrahedron Letters, 16, p. 1893, 1975

Toxics Screening Level

The Initial Threshold Screening Level (ITSL) for benzocyclobutene is 220 μg/m3 with an annual averaging time.

Benzocyclobutene Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Benzocyclobutene manufacturers

Henan Fengda Chemical Co., Ltd

Product: Benzocyclobutene 694-87-1
Price: US $100.00-1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2023-12-26

Zhuozhou Wenxi import and Export Co., Ltd

Product: Benzocyclobutene 694-87-1
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-06-27

Career Henan Chemical Co

Product: Bicyclo[4.2.0]octa-1,3,5-triene 694-87-1
Price: US $7.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 100kg
Release date: 2018-12-14

694-87-1, BenzocyclobuteneRelated Search:

Benzocyclobutene-4-boronic acid Benzocyclobutenone Bicyclo[4.2.0]octa-1,3,5-triene-7-carboxylic acid methyl ester 3-BROMO-BICYCLO[4.2.0]OCTA-1,3,5-TRIENE Ivabradine hydrochloride Bicyclo[4.2.0]octa-1,3,5-triene-7-carboxylic acid,Bicyclo[4.2.0]octa-1,3,5-triene-7-carboxylic acid (6CI,7CI,8CI,9CI),1-carboxyl benzocyclobutene Bicyclo[4.2.0]octa-1,3,5-triene-7-carbonitrile Benzocyclobutene 4,5-Dimethoxy-1-cyanobenzocyclobutane 4-Carboxaldehydebenzocyclobutene 4-Vinylbenzocyclobutene 4-Hydroxymethylbenzocyclobutene Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid (7CI,8CI,9CI),4-Carboxyl benzocyclobutene 1-Hydroxymethylbenzocyclobutene 1-Bromobenzocyclobutene 4a(2H)-Biphenylenol, 1,3,4,8b-tetrahydro-, cis- 1,6-BIS[3-(TRIFLUOROMETHYL)-3H-DIAZIRIN-3-YL]-3,8-DIMETHOXY-DIBENZENE 1-Bicyclo[4.2.0]octa-1,3,5-trien-7-ylmethanamine

1,2-Dihydrobenzocyclobutene

Benzocyclobutane

Benzocyclobutene, 1,2-dihydro-

Cardene

BENZOCYCLOBUTENE

BICYCLO[4.2.0]OCTA-1,3,5-TRIENE

Bicyclo[4.2.0]octa-1(6),2,4-triene

Bicyclo[4.2.0]octa-2,4,6(1)-triene

1,2-Ethenobenzene

1,2-Vinylenebenzene

2,3-Vinylenebenzene

Benzocyclobutadiene

Benzocyclobutene,Bicyclo[4.2.0]octa-1,3,5-triene

1,2-dihydrocyclobutabenzene

BICYCLO[4.2.0]OCTA-1,3,5-TRIEN

Benzocyclobutene (BCB)

Benzocyclobutene 98%

BCB Benzocyclobutene

Benzocyclobutene &gt

Benzocyclobutene ISO 9001：2015 REACH

694-87-1

Cyclic

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