Valylene
2-METHYL-1-BUTEN-3-YNE
CAS: 78-80-8
Molecular Formula: C5H6
Valylene - Names and Identifiers
| Name | 2-METHYL-1-BUTEN-3-YNE |
| Synonyms | Valylene 2-Methylbutenyne 2-Methyl-1-butenyne 2-methyl-1-buten-3-yn 3-Methyl-3-buten-1-yne 2-METHYL-1-BUTEN-3-YNE 1-Butene-3-yne, 2-methyl- |
| CAS | 78-80-8 |
| EINECS | 201-144-9 |
Valylene - Physico-chemical Properties
| Molecular Formula | C5H6 |
| Molar Mass | 66.1 |
| Density | 0.695 g/mL at 25 °C(lit.) |
| Melting Point | -113 °C |
| Boling Point | 32 °C(lit.) |
| Flash Point | 20 °F |
| Vapor Presure | 8.96 psi ( 20 °C) |
| Refractive Index | n20/D 1.416(lit.) |
Valylene - Risk and Safety
| Risk Codes | R12 - Extremely Flammable R20/22 - Harmful by inhalation and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R65 - Harmful: May cause lung damage if swallowed |
| Safety Description | S16 - Keep away from sources of ignition. 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. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 3295 3/PG 1 |
Valylene - Upstream Downstream Industry
Valylene - Nature
| Vapor pressure | 8.96 psi ( 20 °C) |
| refractive index | n20/D 1.416(lit.) |
| flash point | 20 °F |
| storage conditions | 2-8°C |
| morphology | Liquid |
| color | Clear |
| water solubility | Not miscible in water. |
| BRN | 969175 |
Last Update：2024-04-10 22:29:15
Valylene - Uses and synthesis methods
| category | flammable liquid |
| toxicity classification | highly toxic |
| acute toxicity | oral-rat LDL0: 639 mg/kg; Oral-mouse LD50: 350 mg/kg |
| Stimulus data | skin-rabbit 500 mg moderate |
| flammability hazard characteristics | it is flammable in case of open flame, high temperature and oxidant; combustion produces stimulating smoke |
| storage and transportation characteristics | The warehouse is ventilated and dry at low temperature; it is stored separately from oxidants and acids |
| fire extinguishing agent | dry powder, dry sand, carbon dioxide, foam |
Last Update：2024-04-10 22:29:15
Valylene - Security information
| WGK Germany | 3 |
| RTECS number | EN0960000 |
| F | 10-19-23 |
| HazardClass | 3 |
| PackingGroup | I |
| customs code | 29012900 |
Last Update：2024-04-10 22:29:15
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View History
Raw Materials for Valylene
Downstream Products for Valylene
3-CHLORO-3-METHYL-1-BUTYNE
3-METHYL-1-BUTYNE
4-[(1,1-DIMETHYLPROP-2-YNYL)OXY]BENZONITRILE
Cyclopropyl acetylene
3-Methyl-2-butanone
3-METHYL-1-BUTYNE
4-[(1,1-DIMETHYLPROP-2-YNYL)OXY]BENZONITRILE
Cyclopropyl acetylene
3-Methyl-2-butanone