Methylacetylene
Methylacetylene (CAS 74-99-7) supplier Zemixal: C3H4, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-045736.
About Methylacetylene
Researchers and plant chemists source Methylacetylene from Zemixal for routine and specialised work. Identity at a glance: CAS 74-99-7, formula C3H4 and molar mass 40.06 g/mol.
Use cases we see most often
- Organic synthesis
- API synthesis
Storage and safety notes
It carries the GHS signal word Danger (H220, H280, H335 and H336), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Organic synthesis
- API synthesis
Applications
Specifications and identifiers
| Product name | Methylacetylene |
|---|---|
| Catalogue number | ZX-045736 |
| CAS number | 74-99-7 |
| IUPAC name | prop-1-yne |
| Molecular formula | C3H4 |
| Molar mass | 40.06 g/mol |
| Exact mass | 40.0313 |
| XLogP3 | 0.9 |
| H-bond donors / acceptors | 0 / 0 |
| Topological polar surface area | 0 Ų |
| InChIKey | MWWATHDPGQKSAR-UHFFFAOYSA-N |
| SMILES | CC#C |
| PubChem CID | 6335 |
| Synonyms | Propyne, Allylene, Acetylene, methyl-, Propynylidyne, CH3C.$.CH |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H220Extremely flammable gas
- H280Contains gas under pressure, may explode if heated
- H335May cause respiratory irritation
- H336May cause drowsiness or dizziness
Precautionary statements P203, P210, P222, P261, P271, P280, P304 + P340, P319, P377, P381, P403, P403 + P233, P405, P410 + P403, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 1 g | Quoted on request | |
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Methylacetylene
Which CAS number identifies Methylacetylene?
What are the formula and molar mass of Methylacetylene?
What grade and pack sizes are available for Methylacetylene?
Which documents come with Methylacetylene?
Can Zemixal ship Methylacetylene to my country?
Related products
More in Hydrocarbons (Alkanes, Alkenes & Arenes)
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.