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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

Signal Word

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 Code

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

WGK

WGK 1

Flash Point(F)

266.0 °F - Pensky-Martens closed cup

Flash Point(C)

130 °C - Pensky-Martens closed cup


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.

PDSCL

Deleterious substance

FSL

Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names


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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