Skip to Content
Merck
All Photos(1)

Documents

433497

Sigma-Aldrich

Poly(propylene glycol), tolylene 2,4-diisocyanate terminated

average Mn ~2,300 (narrow MW distribution), isocyanate ~3.6 wt. %

Synonym(s):

Polypropylene glycol-toluene diisocyanate copolymer, Tolylene diisocyanate-polypropylene glycol polymer

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

CAS Number:
9057-91-4
MDL number:
MFCD00217728
UNSPSC Code:
12162002
PubChem Substance ID:
24867145
NACRES:
NA.23

form

viscous liquid

Quality Level

100

mol wt

average Mn ~2,300 (narrow MW distribution)
degree of polymerization ~34

composition

isocyanate, ~3.6 wt. %

hardness

80 (Shore A, reacted with MOCA)

impurities

<0.1% residual TDI

refractive index

n20/D 1.4742

viscosity

≤1,700 cP(40 °C)(lit.)

density

1.05 g/mL at 25 °C

SMILES string

CC(O)CO.Cc1ccc(cc1N=C=O)N=C=O

Looking for similar products? Visit Product Comparison Guide

Application

Idler rollers and adhesive-handling pads.

Features and Benefits

Lower viscosity than conventional polyurethane oligomers. Aromatic isocyanate is more reactive than aliphatic isocyanate. Aromatic isocyanates are less light stable than aliphatic isocyanates.

Physical form

Polyurethane prepolymer.

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

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

[Use of KL-3 medical glue in surgery of the organs of the hepatopancreatoduodenal area].
V S Zemskov et al.
Khirurgiia, (8)(8), 37-39 (1985-08-01)
[The use of the polyurethane adhesive compound KL-3 for treating varicosities of the surface veins].
Iu M Polous et al.
Klinichna khirurhiia, (7)(7), 26-27 (1996-01-01)
I V Titarenko et al.
Vestnik khirurgii imeni I. I. Grekova, 152(3-4), 17-23 (1994-03-01)
Results of experimental investigations of using polymer compositions KL-3, including modifications with ionol ("Adgenol") and levamisol in 18 rabbits with injuries of the liver are presented. It has been established that 3 and 6 months after using the mentioned compositions
[Use of medical glues MK-6 and KL-3 in surgical endocrinology].
I V Komissarenko et al.
Klinicheskaia khirurgiia, (12)(12), 19-20 (1985-01-01)
[Plombage of pathological pleural cavities].
V Ia Dzhugostran
Grudnaia khirurgiia (Moscow, Russia), (5)(5), 58-60 (1987-09-01)
View All Related Papers

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