ChemicalBook >> CAS DataBase List >>2-METHYL-1-BUTEN-3-YNE
2-METHYL-1-BUTEN-3-YNE
- CAS No.
- 78-80-8
- Chemical Name:
- 2-METHYL-1-BUTEN-3-YNE
- Synonyms
- 2-METHYLBUT-1-EN-3-YNE;1-Buten-3-yne, 2-methyl-;Valylene;2-Methylbutenyne;CH2=C(CH3)CequivCH;2-Methyl-1-butenyne;ISOPROPENYLACETYLENE;Isopropenylancetylene;2-methyl-1-buten-3-yn;ISOPROPENYLACETHYLENE
- CBNumber:
- CB7123696
- Molecular Formula:
- C5H6
- Molecular Weight:
- 66.1
- MDL Number:
- MFCD00008599
- MOL File:
- 78-80-8.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-05-28 02:48:59
| Product description | Number | Pack Size | Price |
| 2-Methyl-1-Buten-3-yne, 99% | 82030 | 5G | $58.39 |
| 2-Methylbut-1-en-3-yne 97% | OR13594 | 5g | $102 |
| 2-Methylbut-1-en-3-yne 97% | OR13594 | 25g | $428 |
| 2-METHYL-1-BUTEN-3-YNE | 82030 | 5G | $45.33 |
| 3-Methyl-3-buten-1-yne | M294955 | 25g | $1090 |
| Melting point | -113 °C |
|---|---|
| Boiling point | 32 °C(lit.) |
| Density | 0.695 g/mL at 25 °C(lit.) |
| vapor pressure | 8.96 psi ( 20 °C) |
| refractive index |
n |
| Flash point | 20 °F |
| 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 |
| FDA UNII | P92A4F7TZS |
| UNSPSC Code | 12352100 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() ![]() GHS02,GHS07,GHS08 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 29012900 | |||||||||
| 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 |
|||||||||
| 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 |
|
2-METHYL-1-BUTEN-3-YNE price More Price(10)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| GFS CHEMICALS | 82030 | 2-Methyl-1-Buten-3-yne, 99% | 78-80-8 | 5G | $58.39 | 2026-06-03 | Buy |
| Apolloscientific | OR13594 | 2-Methylbut-1-en-3-yne 97% | 78-80-8 | 5g | $102 | 2026-06-04 | Buy |
| Apolloscientific | OR13594 | 2-Methylbut-1-en-3-yne 97% | 78-80-8 | 25g | $428 | 2026-06-04 | Buy |
| GFS CHEMICALS | 82030 | 2-METHYL-1-BUTEN-3-YNE | 78-80-8 | 5G | $45.33 | 2021-12-16 | Buy |
| TRC | M294955 | 3-Methyl-3-buten-1-yne | 78-80-8 | 25g | $1090 | 2021-12-16 | Buy |
2-METHYL-1-BUTEN-3-YNE Preparation Products And Raw materials
2-METHYL-1-BUTEN-3-YNE Suppliers
Global( 68)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Career Henan Chemica Co | +86-0371-86658258 +8613203830695 | laboratory@coreychem.com | China | 30224 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-81139210 +86-17392587031 | 1059@dideu.com | China | 9996 | 58 |
| Shanghai Acmec Biochemical Technology Co., Ltd. | +86-18621343501; +undefined18621343501 | product@acmec-e.com | China | 33324 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 57505 | 58 | |
| SHANGHAI KEAN TECHNOLOGY CO., LTD. | +8613817748580 | cooperation@kean-chem.com | China | 40066 | 58 |
| XIAMEN AMITY INDUSTRY AND TRADE CO., LTD. | +8618950047208 | ellena@amitychem.com | China | 43414 | 58 |
| Shanghai Xinchem | +86-021-64606569 +8618049800532 | xinchem@vip.126.com | China | 2918 | 58 |
| DAYANG CHEM (HANGZHOU) CO.,LTD | +86-88938639 +86-17705817739 | info@dycnchem.com | China | 53803 | 58 |
| Shanghai Scibiotron Pharmaceutical Co., Ltd | +86-16621589600 | contact@scibiotron.com | China | 5783 | 58 |
View Lastest Price from 2-METHYL-1-BUTEN-3-YNE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2024-10-22 | 2-METHYL-1-BUTEN-3-YNE
78-80-8
|
$6.05 | 200g | 95.0%-99.0% | 100kg | Career Henan Chemica Co |
-

- 2-METHYL-1-BUTEN-3-YNE
78-80-8
- $6.05
- 95.0%-99.0%
- Career Henan Chemica Co
78-80-8(2-METHYL-1-BUTEN-3-YNE)Related Search:
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2-METHYL-1-BUTEN-3-YNE
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78-80-8
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