Skip to Content
Merck
All Photos(1)

Key Documents

Safety Information

440019

Sigma-Aldrich

4,4′-Oxybis(phenyl isocyanate)

96%

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
O(C6H4NCO)2
CAS Number:
Molecular Weight:
252.22
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:

Assay

96%

form

solid

bp

196 °C/5 mmHg (lit.)

mp

64-68 °C (lit.)

SMILES string

O=C=Nc1ccc(Oc2ccc(cc2)N=C=O)cc1

InChI

1S/C14H8N2O3/c17-9-15-11-1-5-13(6-2-11)19-14-7-3-12(4-8-14)16-10-18/h1-8H

InChI key

KDLIYVDINLSKGR-UHFFFAOYSA-N

Pictograms

Skull and crossbonesHealth hazard

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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

440019-BULK:
440019-1G:
440019-VAR:
440019-5G:


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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Synthesis of novel chiral tetra-(hydrazinecarboxamide) cyclophane macrocycles.
Nour HF, et al.
Tetrahedron Letters, 54(32), 4139-4142 (2013)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service