| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-11 12:28:19 UTC |
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| Update Date | 2021-09-26 23:07:03 UTC |
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| HMDB ID | HMDB0253670 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Isophorone diisocyanate |
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| Description | Isophorone diisocyanate, also known as IPDI, belongs to the class of organic compounds known as isocyanates. These are organic compounds containing the isocyanic acid tautomer, HN=C=O, of cyanic acid, HOC#N or its hydrocarbyl derivatives RN=C=O. Cyanide is an inhibitor of cytochrome c oxidase in the fourth complex of the electron transport chain (found in the membrane of the mitochondria of eukaryotic cells). Isophorone diisocyanate is an extremely weak basic (essentially neutral) compound (based on its pKa). Isophorone diisocyanate is a potentially toxic compound. As a result, the electron transport chain is disrupted and the cell can no longer aerobically produce ATP for energy. Cyanide is mainly metabolized into thiocyanate by either rhodanese or 3-mercaptopyruvate sulfur transferase. Cyanide poisoning is identified by rapid, deep breathing and shortness of breath, general weakness, giddiness, headaches, vertigo, confusion, convulsions/seizures and eventually loss of consciousness. Exposure to high levels of cyanide for a short time harms the brain and heart and can even cause coma, seizures, apnea, cardiac arrest and death. Tissues that mainly depend on aerobic respiration, such as the central nervous system and the heart, are particularly affected. Chronic inhalation of cyanide causes breathing difficulties, chest pain, vomiting, blood changes, headaches, and enlargement of the thyroid gland. Cyanide binds to the ferric ion of methemoglobin to form inactive cyanmethemoglobin. This compound has been identified in human blood as reported by (PMID: 31557052 ). Isophorone diisocyanate is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Isophorone diisocyanate is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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| Structure | CC1(C)CC(CC(C)(CN=C=O)C1)N=C=O InChI=1S/C12H18N2O2/c1-11(2)4-10(14-9-16)5-12(3,6-11)7-13-8-15/h10H,4-7H2,1-3H3 |
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| Synonyms | | Value | Source |
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| 3-Isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate | ChEBI | | IPDI | ChEBI | | Isocyanic acid, methylene(3,5,5-trimethyl-3,1-cyclohexylene) ester | ChEBI | | Isophorone diamine diisocyanate | ChEBI | | 3-Isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanic acid | Generator | | Isocyanate, methylene(3,5,5-trimethyl-3,1-cyclohexylene) ester | Generator | | Isophorone diamine diisocyanic acid | Generator | | Isophorone diisocyanic acid | Generator |
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| Chemical Formula | C12H18N2O2 |
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| Average Molecular Weight | 222.2835 |
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| Monoisotopic Molecular Weight | 222.13682783 |
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| IUPAC Name | 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane |
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| Traditional Name | isophorone diisocyanate |
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| CAS Registry Number | Not Available |
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| SMILES | CC1(C)CC(CC(C)(CN=C=O)C1)N=C=O |
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| InChI Identifier | InChI=1S/C12H18N2O2/c1-11(2)4-10(14-9-16)5-12(3,6-11)7-13-8-15/h10H,4-7H2,1-3H3 |
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| InChI Key | NIMLQBUJDJZYEJ-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as isocyanates. These are organic compounds containing the isocyanic acid tautomer, HN=C=O, of cyanic acid, HOC#N or its hydrocarbyl derivatives RN=C=O. |
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| Kingdom | Organic compounds |
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| Super Class | Organic nitrogen compounds |
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| Class | Organonitrogen compounds |
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| Sub Class | Isocyanates |
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| Direct Parent | Isocyanates |
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| Alternative Parents | |
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| Substituents | - Isocyanate
- Organic 1,3-dipolar compound
- Propargyl-type 1,3-dipolar organic compound
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Aliphatic homomonocyclic compound
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| Molecular Framework | Aliphatic homomonocyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Not Available |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Predicted by Siyang on May 30, 2022 | 13.2536 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.53 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1902.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 379.6 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 166.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 196.2 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 159.8 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 540.9 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 711.9 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 70.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1072.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 401.2 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1393.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 347.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 365.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 344.0 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 314.5 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 16.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - Isophorone diisocyanate GC-MS (Non-derivatized) - 70eV, Positive | splash10-0a4i-5910000000-c19afc76593fa47648d7 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Isophorone diisocyanate GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 10V, Positive-QTOF | splash10-00e9-0980000000-42c7c2fdf96137f312f0 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 20V, Positive-QTOF | splash10-001i-0910000000-4bbecbf9713e6585a049 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 40V, Positive-QTOF | splash10-01x0-5900000000-4b64defed855560bd0a3 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 10V, Negative-QTOF | splash10-00di-2190000000-0de30ae86d208722f0e2 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 20V, Negative-QTOF | splash10-006x-9250000000-6156d7e07d2bd9b7d94e | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 40V, Negative-QTOF | splash10-0006-9000000000-1bb6b7de2c6d6e055362 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 10V, Positive-QTOF | splash10-0019-0900000000-432861dca6d6eb8c2889 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 20V, Positive-QTOF | splash10-074i-2900000000-aa9fcdf85289714eaa27 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 40V, Positive-QTOF | splash10-05fr-4900000000-9320709b371f2ef9bbbd | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 10V, Negative-QTOF | splash10-006x-2960000000-5b2662cf43d5eeb7882d | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 20V, Negative-QTOF | splash10-0006-9600000000-fa1943750a1b1b783a5c | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Isophorone diisocyanate 40V, Negative-QTOF | splash10-0006-9000000000-51d283be4237ed8ab376 | 2021-10-12 | Wishart Lab | View Spectrum |
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