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* [https://dytek.invista.com/products/dytek-dch-99/ Invista website]
* [https://dytek.invista.com/products/dytek-dch-99/ Invista website]
* [https://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=132551&brand=ALDRICH&PageToGoToURL=https%3A%2F%2Fwww.sigmaaldrich.com%2Fcatalog%2Fproduct%2Faldrich%2F132551%3Flang%3Den SDS Sigma Aldrich]
* [https://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=132551&brand=ALDRICH&PageToGoToURL=https%3A%2F%2Fwww.sigmaaldrich.com%2Fcatalog%2Fproduct%2Faldrich%2F132551%3Flang%3Den SDS Sigma Aldrich]
* [https://www.gracoroberts.com/home/download/invista-dytek-dch-99-amine-epoxy-coating-sds/ Safety Data Sheet]
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Revision as of 12:40, 14 April 2021

1,2-Diaminocyclohexane
Names
IUPAC name
Cyclohexane-1,2-diamine
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.010.707 Edit this at Wikidata
EC Number
  • 211-776-7
UN number 2735
  • InChI=1S/C6H14N2/c7-5-3-1-2-4-6(5)8/h5-6H,1-4,7-8H2
    Key: SSJXIUAHEKJCMH-UHFFFAOYSA-N
  • C1CCC(C(C1)N)N
Properties
C6H14N2
Molar mass 114.192 g·mol−1
Hazards
GHS labelling:
GHS05: CorrosiveGHS07: Exclamation mark
Danger
H302, H312, H314, H317, H332, H335
P260, P261, P264, P270, P271, P272, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P333+P313, P363, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

1,2-Diaminocyclohexane is an organic compound with the formula (CH2)4(CHNH2)2. It is a mixture of three stereoisomers: cis-1,2-diaminocyclohexane and both enantiomers of trans-1,2-diaminocyclohexane. The mixture is a colorless, corrosive liquid, although older samples can appear yellow. It is often called DCH-99 and also DACH.

Manufacture

The product is available commercially, manufactured by the hydrogenation of o-phenylenediamine. The two trans enantiomers can be resolved by conversion to diastereomeric salts of various chiral acids.[1]

Uses

The product is an epoxy curing agent for use in Coatings, Adhesives, Sealants and Elastomers - CASE.[2] It may also be reacted with diethyl maleate utilizing the Michael reaction to produce a polyaspartic compound of CAS number 481040-92-0.[3] It may also be used in lubricants.[4] The product is also advertised as being useful as a chelating agent in a variety of applications including oil production.[5] It also is used in downfield oil and gas wells where there is an acidic stream to prevent corrosion to the bore piles.[6]

See also

References

  1. ^ Kouklovsky, Cyrille; Langlois, Yves; Aguilar, Enrique; Fernández‐García, Jesús M.; Sikervar, Vikas (2014). (1S,2S)-1,2-Diaminocyclohexane. pp. 1–23. doi:10.1002/047084289x.rn00145.pub3. ISBN 978-0-470-84289-8. {{cite encyclopedia}}: |work= ignored (help)
  2. ^ "Dytek® DCH-99 by INVISTA - Paint & Coatings". www.ulprospector.com. Retrieved 2020-04-13.
  3. ^ "Dytek® DCH-99 | 1,2-Diaminocyclohexane". Dytek. Retrieved 2020-04-13.
  4. ^ "US Patent for Non-aromatic based antioxidants for lubricants Patent (Patent # 9,273,266 issued March 1, 2016) - Justia Patents Search". patents.justia.com. Retrieved 2020-04-13.
  5. ^ "Technical Data Sheet Dytek DCH 99" (PDF).{{cite web}}: CS1 maint: url-status (link)
  6. ^ Materials, Ascend. "FlexaTram™-DAM". Ascend Performance Materials. Retrieved 2020-05-21.
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