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440027

Sigma-Aldrich

3,3′-Dimethoxy-4,4′-biphenylene diisocyanate

85%, technical grade

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About This Item

Linear Formula:
[-C6H3(OCH3)NCO]2
CAS Number:
91-93-0
Molecular Weight:
296.28
MDL number:
MFCD00013847
UNSPSC Code:
12352100
PubChem Substance ID:
24867559

grade

technical grade

Assay

85%

impurities

<15% toluene

mp

112-116 °C (lit.)

SMILES string

COc1cc(ccc1N=C=O)-c2ccc(N=C=O)c(OC)c2

InChI

1S/C16H12N2O4/c1-21-15-7-11(3-5-13(15)17-9-19)12-4-6-14(18-10-20)16(8-12)22-2/h3-8H,1-2H3

InChI key

QZWKEPYTBWZJJA-UHFFFAOYSA-N

General description

3,3′-Dimethoxy-4,4′-biphenylene diisocyanate is an aromatic diisocyanate. It participates as reagent for the curing of elastomers.

Application

3,3′-Dimethoxy-4,4′-biphenylene diisocyanate may be used for the following studies:
  • Preparation of azo urethane oligomers (PUs) by reaction with Disperse Red 19.
  • Synthesis of microporous polyisocyanurate (PICU-A) material, via cyclotrimerization over an N-heterocyclic carbene (NHC) catalyst.
  • Synthesis of series of maleimide-thiophene copolymers having pendent 2-hydroxyethyl and 6-hydroxyhexyl groups.

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

170.6 °F - closed cup

Flash Point(C)

77 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

440027-BULK:
440027-10G:
440027-VAR:
440027-1G:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Chemical communications (Cambridge, England), 47(26), 7365-7367 (2011-06-07)
Novel mesoscopic organic nanosheets were developed by functionalizing bulk 2D organic covalent framework polymers with small molecules. The water-soluble fluorescent nanosheets are promising as nanocarriers for biological applications.
Polyurethane-epoxy based azopolymers: Influence of chemical structure over photoinduced birefringence.
Saiz LM, et al.
Reactive functional Polymers, 72(7), 478-485 (2012)
Relation of structure to properties in polyurethanes.
Cluff EF and Gladding EK.
Journal of Applied Polymer Science, 3(9), 290-295 (1960)

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