2,3-Dimethyl-2-butene(CAS#563-79-1)
| Risk Codes | R11 – Highly Flammable R65 – Harmful: May cause lung damage if swallowed R36/37/38 – Irritating to eyes, respiratory system and skin. R22 – Harmful if swallowed R19 – May form explosive peroxides R40 – Limited evidence of a carcinogenic effect R36/37 – Irritating to eyes and respiratory system. |
| Safety Description | S16 – Keep away from sources of ignition. S33 – Take precautionary measures against static discharges. S62 – If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S9 – Keep container in a well-ventilated place. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 – Wear suitable protective clothing and gloves. |
| UN IDs | UN 3295 3/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-23 |
| TSCA | Yes |
| HS Code | 29012980 |
| Hazard Note | Extremely Flammable/Corrosive/Harmful |
| Hazard Class | 3 |
| Packing Group | II |
Introduction
2,3-dimethyl-2-butene (DMB) is an organic compound. The following is an introduction to its nature, use, manufacturing methods and safety information:
Quality:
Appearance: DMB is a colorless liquid.
Solubility: It is soluble in many organic solvents such as ethanol, ethers, and hydrocarbons.
Density: Its density is about 0.68 g/cm³.
Toxicity: DMB is less toxic, but excessive exposure may cause eye irritation and skin irritation.
Use:
Chemical synthesis: DMB is commonly used in organic synthesis as a solvent, intermediate, or catalyst.
Petroleum industry: DMB is also used as an important application chemical in jute petroleum refining and petrochemical processes.
Method:
DMB is conventionally prepared by alkylation of methylbenzene and propylene. The specific steps involve reacting methylbenzene and propylene at the appropriate temperature and pressure in the presence of a catalyst to generate DMB.
Safety Information:
As an organic solvent, DMB is volatile. During use, it is necessary to maintain good ventilation and avoid excessive exposure.
May cause irritation when in contact with skin and eyes. Prolonged contact, inhalation, or swallowing should be avoided.
When storing and handling DMB, reactions with strong oxidants and strong acids should be avoided.
In case of contact with this substance, immediately rinse the contaminated skin area or eyes with plenty of water and seek medical attention.
