1,1-Dimethylpropargylamine
- CAS No.
- 2978-58-7
- Chemical Name:
- 1,1-Dimethylpropargylamine
- Synonyms
- 2-Methylbut-3-yn-2-amine;2-methyl-3-Butyn-2-amine;3-AMINO-3-METHYL-1-BUTYNE;3-Butyn-2-aMine, 2-Methyl-;3-AMINO-3-METHYLBUTYNE;1,1-Dimethyl-2-propynylamine;30-d-11;Golpanol MPA;CBI-BB ZERO/005787;TIMTEC-BB SBB000001
- CBNumber:
- CB7228867
- Molecular Formula:
- C5H9N
- Molecular Weight:
- 83.13
- MDL Number:
- MFCD00008052
- MOL File:
- 2978-58-7.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| 2-Methyl-3-butyn-2-amine 95% | 687189 | 5g | $84.4 |
| 3-Amino-3-Methyl-1-Butyne, 95% | 83932 | 25G | $264.25 |
| 2-Methylbut-3-yn-2-amine 95% | OR16455 | 5g | $21 |
| 2-Methylbut-3-yn-2-amine 95% | OR16455 | 25g | $29 |
| 1,1-Dimethylpropargylamine >95%(GC) | X1000 | 1g | $21 |
| More product size | |||
| Melting point | 18°C |
|---|---|
| Boiling point | 79-80 °C/760 mmHg |
| Density | 0.79 g/mL at 25 °C |
| vapor pressure | 68.7hPa at 20℃ |
| refractive index | 1.422-1.425 |
| Flash point | 2 °C |
| storage temp. | 2-8°C |
| form | Liquid |
| pka | 8.67±0.25(Predicted) |
| color | Clear colorless to yellow |
| Water Solubility | Very soluble in water. |
| Sensitive | Air Sensitive |
| InChI | 1S/C5H9N/c1-4-5(2,3)6/h1H,6H2,2-3H3 |
| InChIKey | VUGCBIWQHSRQBZ-UHFFFAOYSA-N |
| SMILES | CC(C)(N)C#C |
| LogP | 0.26 at 23℃ |
| CAS DataBase Reference | 2978-58-7(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| NIST Chemistry Reference | 3-Butyn-2-amine, 2-methyl-(2978-58-7) |
| EPA Substance Registry System | 3-Butyn-2-amine, 2-methyl- (2978-58-7) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() ![]() ![]() GHS02,GHS05,GHS07,GHS08 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H225-H302-H314-H334 | |||||||||
| Precautionary statements | P210-P261-P280-P305+P351+P338-P310 | |||||||||
| PPE | Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xi,C,F | |||||||||
| Risk Statements | 36/37/38-34-22-11-43 | |||||||||
| Safety Statements | 26-36/37/39-45-16 | |||||||||
| RIDADR | UN 2733 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | ER9543533 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3.1 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29211999 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral Flam. Liq. 2 Resp. Sens. 1 Skin Corr. 1B |
|||||||||
| Toxicity | LD50 oral in rat: 1470mg/kg | |||||||||
| REACH Registrations | Active | |||||||||
| Limited Quantities | 1.0 L (0.3 gallon) (liquid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | |||||||||
| NFPA 704 |
|
1,1-Dimethylpropargylamine price More Price(44)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 687189 | 2-Methyl-3-butyn-2-amine 95% | 2978-58-7 | 5g | $84.4 | 2026-04-30 | Buy |
| GFS CHEMICALS | 83932 | 3-Amino-3-Methyl-1-Butyne, 95% | 2978-58-7 | 25G | $264.25 | 2026-06-03 | Buy |
| Apolloscientific | OR16455 | 2-Methylbut-3-yn-2-amine 95% | 2978-58-7 | 5g | $21 | 2026-06-04 | Buy |
| Apolloscientific | OR16455 | 2-Methylbut-3-yn-2-amine 95% | 2978-58-7 | 25g | $29 | 2026-06-04 | Buy |
| AK Scientific | X1000 | 1,1-Dimethylpropargylamine >95%(GC) | 2978-58-7 | 1g | $21 | 2026-06-04 | Buy |
1,1-Dimethylpropargylamine Chemical Properties,Uses,Production
Chemical Properties
Clear colorless to yellow liquid
Uses
1,1-Dimethylpropargylamine is used as an organic chemical synthesis intermediate.
Hazard
Moderately toxic by ingestion. A moderate eye irritant.
Purification Methods
Dissolve the amine in Et2O, dry over anhydrous K2CO3, filter, evaporate and distil (preferably under N2). Store it away from CO2. The hydrochloride [2978-59-8] has m 234o (from EtOH/Et2O). The benzoyl derivative has m 152-153o (from EtOH). [Hennion & Teach J Am Chem Soc 75 1653 1953, Hennion & DiGiovanna J Org Chem 30 2645 1965.]
1,1-Dimethylpropargylamine Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| XIAMEN AMITY INDUSTRY AND TRADE CO., LTD. | +8618950047208 | ellena@amitychem.com | China | 43414 | 58 |
| Shaanxi Didu New Materials Co. Ltd | +86-86-17392712779 +8617792793228 | 1090@dideu.com | China | 8660 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 | mina@chuanghaibio.com | China | 18126 | 58 |
| Hebei Zhuanglai Chemical Trading Co Ltd | +86-16264648883 | niki@zlchemi.com | China | 7245 | 58 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 14026 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21585 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29812 | 58 |
| Win-Win Chemical CO., Limited | 0086-577-64498589 | sales@win-winchemical.com | CHINA | 998 | 58 |
| Shandong chuangyingchemical Co., Ltd. | 18853181302 | sale@chuangyingchem.com | CHINA | 5906 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
View Lastest Price from 1,1-Dimethylpropargylamine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-07-21 | 1,1-DIMETHYLPROPARGYLAMINE
2978-58-7
|
10g | 95% | 20tons | Hubei Lidu New Material Technology Co., Ltd | ||
![]() |
2026-05-15 | 1,1-Dimethylpropargylamine
2978-58-7
|
$1.50 | 1g | 99.0% Min | 100 Tons | Shaanxi Didu New Materials Co. Ltd | |
![]() |
2025-05-23 | 1,1-Dimethylpropargylamine
2978-58-7
|
$150.00 | 1kg | 99% | 500kg | Hebei Zhuanglai Chemical Trading Co Ltd |
-

- 1,1-DIMETHYLPROPARGYLAMINE
2978-58-7
- $0.00
- 95%
- Hubei Lidu New Material Technology Co., Ltd
-

- 1,1-Dimethylpropargylamine
2978-58-7
- $1.50
- 99.0% Min
- Shaanxi Didu New Materials Co. Ltd
-

- 1,1-Dimethylpropargylamine
2978-58-7
- $150.00
- 99%
- Hebei Zhuanglai Chemical Trading Co Ltd










