tetramethylgermanium
Also known as: tetramethylgermane, germane, tetramethyl-, tetramethyl-germaniu, GERMANIUM TETRAMETHYL, MFCD00014843, NSC 65801
tetramethylgermanium (CAS 865-52-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H12Ge and a molecular weight of 132.77800 g/mol. Key properties include a melting point of −88 °C (dec.)(lit.), a boiling point of 43-44 °C740 mm Hg(lit.), a density of 0.978 g/mL at 25 °C(lit.) and a flash point of -37.2 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 865-52-1
- Jingsj CID
- J-1524615-8
- Molecular Formula
- C4H12Ge
- Molecular Weight
- 132.77800 g/mol
- Category
- Organic Compounds
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −88 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 43-44 °C740 mm Hg(lit.) |
| Density | 0.978 g/mL at 25 °C(lit.) |
| Flash Point | -37.2 °C |
| Exact Mass | 134.01500 |
| LogP | 1.95440 |
| Vapor Pressure | 6.74 psi ( 20 °C) |
| Refractive Index | n20/D 1.389(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of tetramethylgermanium?
The CAS number of tetramethylgermanium is 865-52-1.
What are the molecular formula and molecular weight of tetramethylgermanium?
tetramethylgermanium has molecular formula C4H12Ge and molecular weight 132.77800 g/mol.
Is tetramethylgermanium hazardous?
tetramethylgermanium has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
What are the upstream and downstream products of tetramethylgermanium?
For tetramethylgermanium, Upstream Products: Tetramethylsilane, Germanium chloride, Trimethylaluminium; Downstream Products: Germanium, Chlorotrimethylgermane, Trichloro(methyl)germane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tetramethylgermanium (CAS 865-52-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524615-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.