123463
1,2-Cyclohexanedicarboxylic anhydride, predominantly cis
95%
Synonym(s):
Hexahydrophthalic anhydride
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All Photos(3)
About This Item
Empirical Formula (Hill Notation):
C8H10O3
CAS Number:
Molecular Weight:
154.16
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
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Quality Level
Assay
95%
form
solid
bp
158 °C/17 mmHg (lit.)
mp
32-34 °C (lit.)
SMILES string
O=C1OC(=O)[C@H]2CCCC[C@@H]12
InChI
1S/C8H10O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h5-6H,1-4H2/t5-,6+
InChI key
MUTGBJKUEZFXGO-OLQVQODUSA-N
General description
Predominantly cis 1,2-cyclohexanedicarboxylic anhydride (HHPA) is a cyclic anhydride that can be used for a variety of applications such as: plasticizer, rust inhibitor, and a curing agent for epoxy based resins.
Application
HPPA, in combination with triethaylamine (TEA), can be used as a polymerization initiator in the preparation of polyester based resins. It can also be used as a hardener to cure 1,4-butanediol diglycidyl ether which can be used as an epoxy based system for electronic devices.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Bénédicte Le Crom et al.
The Journal of the Acoustical Society of America, 127(4), 2220-2230 (2010-04-08)
This paper presents a non-destructive, ultrasonic technique to evaluate the quality of bonds between substrates. Shear-horizontally polarized (SH) wave modes are investigated to infer the shear stiffness of bonds, which is necessarily linked to the shear resistance that is a
Leslie C Grammer et al.
Chest, 121(4), 1317-1322 (2002-04-12)
To determine whether the use of respiratory protective equipment would reduce the incidence of occupational asthma due to exposure to hexahydrophthalic anhydride (HHPA). Prospective cohort study. A facility that makes an epoxy resin product requiring HHPA for its manufacture. Sixty-six
G Johannesson et al.
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 31(7), 1021-1030 (2001-07-27)
Organic acid anhydrides (OAAs) are highly allergenic compounds used in the chemical industry. The OAAs probably act as haptens but the proteins that form conjugates with OAAs in vivo are still unknown. Conjugates between the anhydrides and serum albumins (SAs)
Isla Mickey et al.
The Histochemical journal, 34(10), 469-477 (2003-08-30)
In this study, we show the changes in the wall of the middle cerebral artery of a subject who suffered multiple system atrophy with autonomic failure. An electron-immunocytochemical approach was employed to reveal the presence of endothelin-1. Our results demonstrate
Electrical impedance spectroscopy of epoxy systems: The case of 1, 4-butanediol diglycidyl ether/cis-1, 2-cyclohexanedicarboxylic anhydride and triethylamine as initiator.
Nucci AM, et al.
European Polymer Journal, 42(1), 195-202 (2006)
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