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Key Documents

8.22066

Sigma-Aldrich

Hexamethylene diisocyanate

for synthesis

Synonym(s):

Hexamethylene diisocyanate, 1,6-Diisocyanatohexane

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About This Item

Linear Formula:
OCN(CH2)6NCO
CAS Number:
Molecular Weight:
168.19
MDL number:
UNSPSC Code:
12352118
EC Index Number:
212-485-8
NACRES:
NA.22

vapor pressure

0.007 hPa ( 20 °C)

Quality Level

assay

≥99.0% (GC)

form

liquid

autoignition temp.

454 °C

potency

746 mg/kg LD50, oral (Rat)
570 mg/kg LD50, skin (Rabbit)

expl. lim.

0.9-9.5 % (v/v)

bp

255 °C/1013 hPa

mp

-67 °C

transition temp

flash point 130 °C

density

1.05 g/cm3 at 25 °C

storage temp.

2-30°C

InChI

1S/C8H12N2O2/c11-7-9-5-3-1-2-4-6-10-8-12/h1-6H2

InChI key

RRAMGCGOFNQTLD-UHFFFAOYSA-N

Application

  • Phase morphology, rheological behavior, and mechanical properties of poly(lactic acid)/poly(butylene succinate)/HDI reactive blends: This study investigates the effects of HDI content on the properties of polymer blends, providing insights into its use in enhancing material properties (Huang et al., 2021).
  • Characterization of PLA/PBSeT blends prepared with various HDI contents: This research focuses on the role of HDI in polymer blends, analyzing how it influences mechanical and structural properties of the materials (Kim et al., 2021).
  • Synthesis and characterization of graphene oxide derivatives via functionalization reaction with HDI: This study explores the functionalization of graphene oxide with HDI to optimize its chemical properties for enhanced performance in applications (Luceño-Sánchez et al., 2018).
  • High-Performance PEDOT: PSS/HDI-functionalized graphene oxide nanocomposites: Demonstrates the improvement of conductive polymer composites through the incorporation of HDI-functionalized graphene oxide, highlighting the impact on electrical and mechanical properties (Luceño Sánchez et al., 2018).
  • The effect of HDI-modified graphene oxide as a nanofiller material on the properties of conductive polyaniline: This research assesses the effects of HDI-functionalized graphene oxide on the conductive properties of polyaniline, a conducting polymer, which could lead to new applications in electronics and sensors (Luceño Sánchez et al., 2019).

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.046 - 1.047
Identity (IR): passes test

signalword

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1C - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

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

wgk_germany

WGK 1

flash_point_f

266.0 °F - Pensky-Martens closed cup

flash_point_c

130 °C - Pensky-Martens closed cup


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