Molekula
tert-Butylmagnesium Chloride, 1.7M in Diethyl ether
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
tert-Butylmagnesium Chloride, 1.7M in Diethyl ether is a strong organometallic base and nucleophile used in organic synthesis, particularly in Grignard reactions and carbon-carbon bond formation. It is supplied in diethyl ether at a concentration of 1.7M, with a molecular formula of C4H9ClMg and a molecular weight of 116.87 g/mol. CAS number: 677-22-5. Store at ambient temperature. Signal word: Danger. Molekula supplies tert-Butylmagnesium Chloride, 1.7M in Diethyl ether 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
On backorder — expected to ship by 27 November 2026
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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100 mL — £87.10 per pack ex VAT · £104.52 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 | Dark brown liquid |
| Assay (Titration) | 1.64-1.78M (24-26% w/w) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -40 °C |
| Transport Class | 4.3 (3) |
| Packing Group | I |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90028164 |
| CAS Number | 677-22-5 |
| IUPAC Name | magnesium;2-methylpropane;chloride |
| EC Number | 211-638-6 |
| Molecular Formula | C4H9ClMg |
| Molecular Weight | 116.87 |
| Exact Mass | 116.0243 |
| SMILES | C[C-](C)C.[Mg+2].[Cl-] |
| InChIKey | CQRPUKWAZPZXTO-UHFFFAOYSA-M |
| InChI | InChI=1S/C4H9.ClH.Mg/c1-4(2)3;;/h1-3H3;1H;/q-1;;+2/p-1 |
| PubChem CID | 2724198 |
| UN Number | UN3399 |
| REACH Code | Y110 |
| HTS Code | 2931.90.9052 |
| Tariff Code | 2931900090 |
Safety & GHS
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Flammable
GHS02
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Corrosive
GHS05
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Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- EUH014 Reacts violently with water
- EUH019 May form explosive peroxides
- EUH066 Repeated exposure may cause skin dryness or cracking
- H224 Extremely flammable liquid and vapour
- H260 In contact with water releases flammable gases which may ignite spontaneously
- H302 Harmful if swallowed
- H314 Causes severe skin burns and eye damage
- H336 May cause drowsiness or dizziness
- H351 Suspected of causing cancer
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Magnesium, chloro(1,1-dimethylethyl)-
- magnesium;2-methylpropane;chloride
- t-butylmagnesium chloride
- tBuMgCl
- tert-BuMgCl
- tert-butyl(chloro)magnesium
- tert-Butylmagnesium chloride
- tert-Butylmagnesium chloride, 1M in MeTHF
- tertiary butylmagnesiumchloride
- ZDRJSYVHDMFHSC-UHFFFAOYSA-M
Frequently asked questions
What is tert-Butylmagnesium Chloride used for?
It is primarily used as a strong organometallic base and nucleophile in organic synthesis, particularly in the formation of carbon-carbon bonds.
What is the chemical formula and molecular weight?
The formula is C4H9ClMg and the molecular weight is 116.87 g/mol.
How should tert-Butylmagnesium Chloride be stored?
It should be stored at ambient temperature, protected from moisture and air.
What grade is available?
It is available as a 1.7M solution in diethyl ether, suitable for laboratory-scale synthetic applications.
Can Molekula supply it in bulk?
Yes, Molekula can supply tert-Butylmagnesium Chloride in bulk quantities—please contact our sales team for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis 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.