Reported in EPA TSCA Inventory.

The 3,4-Epoxy-1-butene, with the CAS registry number 930-22-3, is also known as Butadiene monoepoxide. It belongs to the product categories of Oxiranes; Simple 3-Membered Ring Compounds. Its EINECS number is 213-210-4. This chemical's molecular formula is C₄H₆O and molecular weight is 70.09. What's more, its systematic name is 2-Vinyloxirane. Its classification codes are: (1)Mutagens; (2)Mutation data; (3)Noxae; (4)Tumor data. This chemical is stable at common pressure and temperature, and it should be sealed and stored in a cool and dry place. Moreover, it should be protected from oxides, heat and water.

Physical properties of 3,4-Epoxy-1-butene are: (1)ACD/LogP: 0.192; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.19; (4)ACD/LogD (pH 7.4): 0.19; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 30.30; (8)ACD/KOC (pH 7.4): 30.30; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 12.53 Å²; (13)Index of Refraction: 1.578; (14)Molar Refractivity: 21.609 cm³; (15)Molar Volume: 65.141 cm³; (16)Polarizability: 8.566×10^-24cm³; (17)Surface Tension: 35.9 dyne/cm; (18)Density: 1.076 g/cm³; (19)Flash Point: -50 °C; (20)Enthalpy of Vaporization: 29.867 kJ/mol; (21)Boiling Point: 70 °C at 760 mmHg; (22)Vapour Pressure: 142.6 mmHg at 25°C.

Preparation: this chemical can be prepared by buta-1,3-diene at the ambient temperature. This reaction will need reagent NaOCl and solvents CH₂Cl₂, H₂O with the reaction time of 24 hours. The yield is about 92%.

Uses of 3,4-Epoxy-1-butene: it can be used to produce 1,2-dibromo-3,4-epoxy-butane at the temperature of 0 °C. It will need reagent Br₂ and solvent CH₂Cl₂ with the reaction time of 3 hours. The yield is about 65%.

When you are using this chemical, please be cautious about it as the following:
This chemical is highly flammable. It is irritating to eyes and it is harmful if swallowed. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing and gloves.

You can still convert the following datas into molecular structure:
(1)SMILES: O1C(\C=C)C1
(2)Std. InChI: InChI=1S/C4H6O/c1-2-4-3-5-4/h2,4H,1,3H2
(3)Std. InChIKey: GXBYFVGCMPJVJX-UHFFFAOYSA-N

The toxicity data is as follows: