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Synonym: (±)-Methyloxirane, 1,2-Epoxypropane
CAS Number: 75-56-9
Empirical Formula (Hill Notation): C3H6O
Molecular Weight: 58.08
Beilstein Registry Number: 79763
EC Number: 200-879-2
MDL number: MFCD00005126
PubChem Substance ID: 24854416![]()
| Related Categories | Epoxide Monomers, Monomers, Polymer Science |
| grade | ReagentPlus® |
| vapor density | 2 (vs air) |
| vapor pressure | 29.43 psi ( 55 °C) |
| 8.59 psi ( 20 °C) | |
| assay | ≥99% |
| autoignition temp. | 1378 °F |
| expl. lim. | 37 % |
| refractive index | n |
| bp | 34 °C(lit.) |
| mp | −112 °C(lit.) |
| density | 0.83 g/mL at 25 °C(lit.) |
100 mL in Sure/Seal™
5 mL in glass btl
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| FT-IR Condensed Phase | ![]() |
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| FT-NMR | ![]() |
| Structure Search |
| Pressure-Temperature Nomograph |
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| Symbol | ![]() ![]() GHS02, GHS07, GHS08 |
| Signal word | Danger |
| Hazard statements | H224-H302-H312-H315-H319-H332-H335-H340-H350 |
| Precautionary statements | P201-P210-P261-P280-P305 + P351 + P338-P308 + P313 |
| Personal Protective Equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US) |
| Hazard Codes | F+,T |
| Risk Statements | 45-46-12-20/21/22-36/37/38 |
| Safety Statements | 53-45 |
| RIDADR | UN 1280 3/PG 1 |
| WGK Germany | 3 |
| RTECS | TZ2975000 |
| Flash Point(F) | -34.6 °F |
| Flash Point(C) | -37 °C |
Merck 14,7856
Beil. 17,V,1,17
Aldrich MSDS 1, 1551:C / Corp MSDS 1 (2), 2966:C / FT-IR 2 (1), 357:D / FT-IR 1 (1), 228:B / FT-NMR 1 (1), 363:B / IR-Spectra (2), 124:C / IR-Spectra (3), 135:G / NMR-Reference 2 (1), 193:D / RegBook 1 (1), 245:B / Sax 6, 1288 / Structure Index 1, 33:C:4 / Vapor Phase 3, 300:D
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