HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 4131669Erstellt: 27. Oktober 2026
2-Butyn-1-yl chloroformate
2-Butyn-1-yl chloroformate 98 · But-2-yn-1-yl carbonochloridate · Carbonochloridic acid, 2-butyn-1-yl ester
https://huagongshe.com/de/chemical/4131669
Identifikatoren & physikalische Daten
| CAS No. | 202591-85-3 |
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| Summenformel | C5H5ClO2 |
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| Durchschnittliche Molmasse | 132,54 g/mol |
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| Monoisotopische Masse | 131,9978071 g/mol |
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| SMILES | CC#CCOC(=O)Cl |
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| InChIKey | MFKKPMUEGDJJSL-UHFFFAOYSA-N |
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| PubChem CID | 4131669 |
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| EC No. | 623-662-8 |
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| DTXSID | DTXSID70399690 |
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Chemische & physikalische Eigenschaften
| XLogP | 1,8 |
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| Polarare Oberfläche (TPSA) | 26,3 |
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| H-Brücken-Donoren | 0 |
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| H-Brücken-Akzeptoren | 2 |
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| Frei drehbare Bindungen | 2 |
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| Schwere Atome | 8 |
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| Formalladung | 0 |
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| Komplexität | 139 |
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| Kovats Retention Index | 919 |
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| Siedepunkt | 156 °C(lit.) |
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| Dichte | 1.169 g/mL at 25 °C(lit.) |
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| Brechungsindex | n20/D 1.452(lit.) |
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| Flammpunkt | 140 °F |
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Sicherheit & Vorschriften
| GHS-Einstufung | DangerH226 (100%): Flammable liquid and vapor [Warning Flammable liquids]H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 41 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. |
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| Hazard Classes and Categories | Flam. Liq. 3 (100%)Skin Corr. 1B (100%) |
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| Wassergefährdungsklasse (WGK) | 3 |
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| UN-Transportnummer | UN 3390 6.1/PG 1 |
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| R-Sätze (R) | 34 |
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| Gefahrensymbole | C |
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| Sicherheitshinweise (S) | 26-27-36/37/39-45 |
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