Molekula
Methylcyclopentadienylmanganese tricarbonyl
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Methylcyclopentadienylmanganese tricarbonyl (MMT) is an organometallic compound used primarily as an antiknock additive in gasoline to improve octane rating. It is available in liquid form with a molecular weight of 218.09 g/mol, CAS number 12108-13-3, and is stored at ambient temperatures. The substance is classified as dangerous. Molekula supplies Methylcyclopentadienylmanganese tricarbonyl from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £30.90 per pack ex VAT · £37.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Yellow/ orange liquid |
| Assay (GC) | >97% |
| FTIR condensed phase | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 96 °C |
| Transport Class | 6.1 |
| Packing Group | I |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90028558 |
| CAS Number | 12108-13-3 |
| Molecular Formula | CH3C5H4Mn(CO)3 |
| Molecular Weight | 218.09 |
| SMILES | CC1[CH-]C=C=C1.[C-]#[O+].[C-]#[O+].[C-]#[O+].[Mn] |
| UN Number | UN3281 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2931.90.3000 |
| Tariff Code | 2931900015 |
Safety & GHS
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Toxic
GHS06
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H300 + H310 + H330 Fatal if swallowed, in contact with skin or if inhaled
- H372 Causes damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Methylcyclopentadienylmanganese tricarbonyl used for?
It is primarily used as an antiknock agent in gasoline to improve octane rating and reduce engine knocking.
What is the chemical formula and molecular weight?
The formula is CH3C5H4Mn(CO)3 with a molecular weight of 218.09 g/mol.
How should this compound be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available?
Available in technical grade; specific purity details can be provided upon request.
Can Molekula supply this in bulk?
Yes, Molekula can supply Methylcyclopentadienylmanganese tricarbonyl in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.