HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
16-Methylheptadecansure
ISOOCTADECANOIC ACID · 16-METHYLHEPTADECANOIC ACID · isostearic · Isostearinsure · Isostearic acid · 16-methyl-heptadecanoicaci · ISOSTEARIC ACID MIXED ISOMERS · Heptadedecanoicacid,16-Methyl

Identifikatoren & physikalische Daten
| CAS No. | 2724-58-5 |
|---|---|
| Summenformel | C18H36O2 |
| Durchschnittliche Molmasse | 284,5 g/mol |
| Monoisotopische Masse | 284,27153039 g/mol |
| SMILES | CC(C)CCCCCCCCCCCCCCC(=O)O |
| InChIKey | XDOFQFKRPWOURC-UHFFFAOYSA-N |
| PubChem CID | 21859 |
| ChEMBL | CHEMBL1865303 |
| ChEBI | CHEBI:84896 |
| EC No. | 220-336-3 |
| DTXSID | DTXSID1040790 |
| Lokaler Name | 16-Methylheptadecansure |
Chemische & physikalische Eigenschaften
| XLogP | 7,2 |
|---|---|
| Polarare Oberfläche (TPSA) | 37,3 |
| H-Brücken-Donoren | 1 |
| H-Brücken-Akzeptoren | 2 |
| Frei drehbare Bindungen | 15 |
| Schwere Atome | 20 |
| Formalladung | 0 |
| Komplexität | 211 |
| Lipide | Fatty Acyls [FA] -> Fatty Acids and Conjugates [FA01] -> Branched fatty acids [FA0102] |
| Kosmetika | Cosmetic ingredients (Isostearic Acid) -> CIR (Cosmetic Ingredient Review)EmulsifyingCleansingBindingSurfactant |
| SpringerMaterials Properties | Crystal structure |
| Schmelzpunkt | 69.5 °C67.8-68.5 °C |
| Physical Description | LiquidOther SolidCBI |
| Collision Cross Section | 177.5 Ų [M-H]- [CCS Type: DTBuffer gas: N2Ionization: ESI-Dataset: TOXCASTSource Identifier: DTXSID1040790] |
| Siedepunkt | 369.53°C (estimate) |
| Dichte | 0.89 g/mL at 25 °C(lit.) |
| Brechungsindex | 1.4440 (estimate) |
| Lagerbedingungen | 2-8°C |
| pKa (Säurekonstante) | 4.78±0.10(Predicted) |
| Aggregatzustand | Liquid |
| Farbe | Colorless to light yellow |
| Geruch | Typical |
| Stabilität | Stable. Combustible. Incompatible with bases, strong oxidizing agents. |
| Kosmetik-Inhaltsstoffe Funktionen | SURFACTANT - CLEANSINGBINDINGCLEANSINGSURFACTANT - EMULSIFYING |
| InChI | InChI=1S/C18H36O2/c1-17(2)15-13-11-9-7-5-3-4-6-8-10-12-14-16-18(19)20/h17H,3-16H2,1-2H3,(H,19,20) |
| InChIKey | XDOFQFKRPWOURC-UHFFFAOYSA-N |
| SMILES | C(O)(=O)CCCCCCCCCCCCCCC(C)C |
| LogP (Verteilungskoeffizient) | 7.674 (est) |
Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 75% (111 of 148) of all reports.WarningH315 (25%): Causes skin irritation [Warning Skin corrosion/irritation]P264, P280, P302+P352, P321, P332+P317, and P362+P364 (click each P-code to see the statement)Aggregated GHS information provided per 148 reports by companies from 4 notifications to the ECHA C&L Inventory.This chemical does not meet GHS hazard criteria for 100% (11 of 11) of all reports. |
|---|---|
| Regulatorische Informationen | Chemical: Heptadecanoic acid, 16-methyl-Chemical: Isooctadecanoic acidIsooctadecanoic acid is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Isooctadecanoic acid 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: 09-09-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/13713Heptadecanoic acid, 16-methyl-: Does not have an individual approval but may be used under an appropriate group standardIsooctadecanoic acid: Does not have an individual approval but may be used under an appropriate group standard |
| Weitere Sicherheitsinformationen | IMAP assessments - Isooctadecanoic acid: Environment tier I assessment |
| Hazard Classes and Categories | Skin Irrit. 2 (25%)Not Classified |
| Toxizitätsübersicht | The CIR Expert Panel concluded that the following ingredients are safe in the present practices of use andconcentration described in the safety assessment when formulated to be non-irritating and non-sensitizing, which may be basedon a QRA...Isostearic Acid...Safe for use in cosmetics, with qualifications |
| Wassergefährdungsklasse (WGK) | 3 |
| RTECS-Nr. | MI3875000 |
| Lagerklasse | 11 - Combustible Solids |
Anwendungen & Verwendung
Verwenden
Isostearic acid (16-Methylheptadecanoic acid) is used in the synthesis of methyl-branched poly(hydroxyalkanoate)s, biosurfactants and silver nanoparticles.