Magnesium tert-butoxide
Also known as: MTB, Magnesium Tertiary Butoxide, Magnesium bis(2-methyl-2-propanolate), magnesium 2-methylpropan-2-olate, magnesium di-tert-butoxide, Mg(O-t-Bu)2, 2-Propanol, 2-methyl-, magnesium salt (2:1), EINECS 250-931-3, MFCD03788761
Magnesium tert-butoxide (CAS 32149-57-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H18MgO2 and a molecular weight of 170.532 g/mol. Key properties include a boiling point of 84.6ºC at 760 mmHg and a flash point of 11.7ºC. It is classified under GHS with signal word Danger and hazard statements H228 and H314 — Causes severe skin burns and eye damage. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 32149-57-8
- Jingsj CID
- J-33071-4
- Molecular Formula
- C8H18MgO2
- Molecular Weight
- 170.532 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99.9% 500g | - | - | CN China MOQ 500g | |
Made to Order | 99.9% 1kg | - | - | CN China MOQ 1kg | |
Made to Order | 99.9% 25kg | - | - | CN China MOQ 25kg |
Physicochemical Properties
| Boiling Point | 84.6ºC at 760 mmHg |
|---|---|
| Flash Point | 11.7ºC |
| Exact Mass | 170.115723 |
| PSA | 18.46000 |
| LogP | 2.53160 |
| Additional Property | Reacts with water. |
GHS Safety & Compliance
- H228
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Magnesium tert-butoxide?
The CAS number of Magnesium tert-butoxide is 32149-57-8.
What are the molecular formula and molecular weight of Magnesium tert-butoxide?
Magnesium tert-butoxide has molecular formula C8H18MgO2 and molecular weight 170.532 g/mol.
Which suppliers offer Magnesium tert-butoxide?
1 supplier(s) listed; request a quote for pricing.
Is Magnesium tert-butoxide hazardous?
Magnesium tert-butoxide has GHS signal word Danger and hazard statements H228; H314 — Causes severe skin burns and eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Magnesium tert-butoxide (CAS 32149-57-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33071-4 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.