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HCID 811Erstellt: 26. Oktober 2026
Itaconic acid
Poly(itaconic acid) · itaconicacidpolymers · ITACONIC ACID POLYMER · itaconic acid homopolymer · poly(2-methylenesuccinicacid) · methylenesuccinicacidpolymers · methylene-butanedioicacihomopolymer
https://huagongshe.com/de/chemical/811
Identifikatoren & physikalische Daten
| CAS No. | 25119-64-6 |
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| Summenformel | C5H6O4 |
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| Durchschnittliche Molmasse | 130,1 g/mol |
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| Monoisotopische Masse | 130,02660867 g/mol |
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| SMILES | C=C(CC(=O)O)C(=O)O |
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| InChIKey | LVHBHZANLOWSRM-UHFFFAOYSA-N |
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| PubChem CID | 811 |
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| ChEMBL | CHEMBL359159 |
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| ChEBI | CHEBI:30838 |
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| EC No. | 202-599-6 |
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| DTXSID | DTXSID2026608 |
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Chemische & physikalische Eigenschaften
| XLogP | -0,1 |
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| Polarare Oberfläche (TPSA) | 74,6 |
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| H-Brücken-Donoren | 2 |
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| H-Brücken-Akzeptoren | 4 |
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| Frei drehbare Bindungen | 3 |
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| Schwere Atome | 9 |
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| Formalladung | 0 |
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| Komplexität | 158 |
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| Lipide | Fatty Acyls [FA] -> Fatty Acids and Conjugates [FA01] -> Dicarboxylic acids [FA0117] |
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| Polymers | Plastics & Rubber -> Other Monomers |
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| SpringerMaterials Properties | Crystal structure |
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| Geruch | CHARACTERISTIC ODOR |
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| Dichte | 1.632 |
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| Color/Form | RHOMBIC CRYSTALS FROM BENZENEWHITE CRYSTALS |
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| Löslichkeit | 1 G DISSOLVES IN 12 ML WATER, 5 ML ALCVERY SLIGHTLY SOL IN BENZENE, CHLOROFORM, CARBON DISULFIDE, PETROLEUM ETHERSOL IN ACETONE76.8 mg/mL at 20 °C |
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| Siedepunkt | 268 °C, SUBLIMES |
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| Schmelzpunkt | 162-164 °C WITH DECOMP, ALSO REPORTED AS 172 °C175 °C |
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| Food Contact Substances | FCS -> FDA Cumulative Estimated Daily Intake (CEDI)FCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR |
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| Physical Description | LiquidLarge CrystalsDry PowderOther SolidHygroscopic solid[Merck Index] White crystalline powder[MSDSonline] |
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| Dissociation Constants | ACID DISSOCIATION CONSTANTS: 3.84 & 5.55 |
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| pKa (Säurekonstante) | 3.85 (pKa1) |
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Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 5.9% (33 of 555) of reports.DangerH315 (14.8%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 555 reports by companies from 20 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
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| Regulatorische Informationen | Chemical: Butanedioic acid, methylene-Butanedioic acid, 2-methylene- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Butanedioic acid, 2-methylene- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 27-04-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/14392Methylenesuccinic acid: Does not have an individual approval but may be used under an appropriate group standard |
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| Weitere Sicherheitsinformationen | IMAP assessments - Butanedioic acid, methylene-: Environment tier I assessment |
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| Gefahrenübersicht | Corrosive to eyes[eChemPortal: ERMA] Oral LD50 (rat) = 2969 mg/kgNOEL = 500 mg/kg/d (highest dose tested) for oral repeated dose testing of rats for 4 weeks[eChemPortal: SIDSUNEP] An irritant[MSDSonline] |
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| Hazard Classes and Categories | Skin Irrit. 2 (14.8%)Serious eye damage/eye irritation - Category 1 |
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| Human Toxicity Excerpts | IT IS PROBABLY MILD IRRITANT. |
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| Non-Human Toxicity Excerpts | ...IT MAY INHIBIT UTILIZATION OF SUCCINIC ACID WHEN FED IN RELATIVELY LARGE DOSES TO RATS. 1% IN THE DIET OF RATS CAUSED SLOW GROWTH. A SINGLE LARGE ORAL DOSE CAUSES AN INCREASED OUTPUT OF SUCCINIC ACID IN RABBIT URINE.ITACONIC ACID RETARDED GROWTH OF PEAS, INHIBITED CHLOROPHYLL DESTRUCTION & CHLOROPHYLLASE ACTIVITY IN RADISH LEAF DISKS, & HASTENED FLOWERING & RIPENING OF TOMATOES. |
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