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CAS:542-28-9
الصيغة الجزيئية:C5H8O2
الوزن الجزيئي:100.12
EINECS:208-807-1
Synonyms:DELTA-VALEROLACTONE; D-VALEROLACTONE; G-VALEROLACTONE;FEMA 3103; GAMMA-PENTANOLACTONE; GAMMA-METHYL-GAMMA-BUTYROLACTONE; delta-Valerolactone, may contain polymer: distil to remove; 4-VALEROLACTONE; 4-PENTANOLIDE; TETRAHYDRO-2H-2-PYRANONE; TETRAHYDRO-2H-PYRAN-2-ONE
Due to its good application flexibility, lower biological toxicity, more derivative compounds, easy polymerization and
greatly increase the viscosity of coatings and other characteristics, delta-valerolactone is widely used in polyesters,
polyurethanes, special solvents, and coatings.
| نقطة انصهار | -13 °C |
| نقطة الغليان | 230 درجة مئوية |
| الكثافة | 1.105g/mL at 20°C |
| كثافة بخار | 3.45 (مقابل الهواء) |
| الانكسار | n20/D 1.457(lit.) |
| Fp | 212 °F |
| تخزين درجة الحرارة. | -20 درجة مئوية |
| شكل | السائل |
| اللون | واضح عديم اللون إلى أصفر شاحب |
| الذوبان في الماء | غير قابلة للامتزاج |
| BRN | 106436 |
| CAS قاعدة البيانات المرجعية | 542-28-9(CAS قاعدة البيانات المرجعية) |
بسبب تطبيق جيد المرونة وانخفاض البيولوجية سمية وأكثر المشتقة من مركبات سهلة البلمرة إلى حد كبير زيادة اللزوجة من الطلاء وغيرها من الخصائص ، دلتا-valerolactone يستخدم على نطاق واسع في البوليستر, البولي يوريثان, المذيبات الخاصة ، والطلاء.
عادة ما تكون معبأة في 25 كجم/طبل,و أيضا يمكن أن تفعل حزمة مخصصة.
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