Skip to Content
MilliporeSigma
All Photos(1)

Documents

428345

Sigma-Aldrich

1,1,3,3-Tetramethylbutyl isocyanate

98%

Synonym(s):

tert-Octyl isocyanate

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
(CH3)3CCH2C(CH3)2NCO
CAS Number:
Molecular Weight:
155.24
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

assay

98%

form

liquid

refractive index

n20/D 1.426 (lit.)

bp

170-172 °C (lit.)

density

0.859 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC(C)(C)CC(C)(C)N=C=O

InChI

1S/C9H17NO/c1-8(2,3)6-9(4,5)10-7-11/h6H2,1-5H3

InChI key

XOHBENIMDRFUIH-UHFFFAOYSA-N

General description

1,1,3,3-Tetramethylbutyl isocyanate is a sterically hindered isocyanate. Its synthesis from tert-octylamine has been reported.

Application

1,1,3,3-Tetramethylbutyl isocyanate may be used in the synthesis of amides by Grignard reaction.

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

118.4 °F - closed cup

flash_point_c

48 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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

Effect of oxidized states of heteroatoms and of orthogonal. pi. systems on radical stabilities.
Luedtke AE and Timberlake JW.
The Journal of Organic Chemistry, 50(2), 268-270 (1985)
Facile Synthesis of Sterically Hindered and Electron-Deficient Secondary Amides from Isocyanates.
Schafer G, et al.
Angewandte Chemie (International Edition in English), 51(36), 9173-9175 (2012)

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