2-Methyl-1-buten-3-yne
- Product Name2-Methyl-1-buten-3-yne
- CAS78-80-8
- CBNumberCB7123696
- MFC5H6
- MW66.1
- EINECS201-144-9
- MDL NumberMFCD00008599
- MOL File78-80-8.mol
Chemical Properties
| Melting point: | −113 °C (lit.) |
| Boiling point: | 32 °C (lit.) |
| Density | 0.695 g/mL at 25 °C (lit.) |
| vapor pressure | 8.96 psi ( 20 °C) |
| refractive index | n 20/D 1.416 (lit.) |
| Flash point: | -6 °C - closed cup |
| storage temp. | 2-8°C |
| solubility | soluble in Chloroform, Methanol |
| form | liquid |
| color | Clear |
| Water Solubility | Not miscible in water. |
| BRN | 969175 |
| InChI | 1S/C5H6/c1-4-5(2)3/h1H,2H2,3H3 |
| InChIKey | BOFLDKIFLIFLJA-UHFFFAOYSA-N |
| SMILES | CC(=C)C#C |
Safety
| Symbol(GHS) |
   GHS02,GHS07,GHS08 |
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| Signal word | Danger | |||||||||
| Hazard statements | H224-H302-H304-H315-H319-H332-H335 | |||||||||
| Precautionary statements | P210-P233-P240-P241-P242-P243-P280-P264-P270-P261-P271-P303+P361+P353-P370+P378-P301+P312-P330-P301+P310-P331-P302+P352-P332+P313-P362+P364-P305+P351+P338-P337+P313-P304+P340-P312-P403+P235-P405-P403+P233-P501 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | Eyeshields, Faceshields, Gloves | |||||||||
| Hazard Codes | F+,Xn,F,Xi | |||||||||
| Risk Statements | 12-20/22-36/37/38-65 | |||||||||
| Safety Statements | 16-26-36/37-62 | |||||||||
| RIDADR | UN 3295 3/PG 1 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | EN0960000 | |||||||||
| F | 10-19-23 | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | I | |||||||||
| HS Code | 2901299090 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications |
Acute Tox. 4 Oral Asp. Tox. 1 Eye Irrit. 2 Flam. Liq. 1 Skin Irrit. 2 STOT SE 3 |
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| Limited Quantities | 0.5 L (0.1 gallon) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (300g or 300ml) | |||||||||
| NFPA 704: |
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