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1,1,3,3-Tetramethylguanidine

Also known as: TMG, Tetramethylguanidine, N,N,N',N'-Tetramethylguanidine, 1,1,3,3-TMG, 1,1,3,3-Tetramethylguanidin, N,N,N,N-Tetramethyl Guanidine

1,1,3,3-Tetramethylguanidine (CAS 80-70-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H13N3 and a molecular weight of 115.177 g/mol. Key properties include a melting point of -30 °C, a boiling point of 163.2±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 60.0±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
80-70-6
Jingsj CID
J-1362195-9
Molecular Formula
C5H13N3
Molecular Weight
115.177 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-30 °C
Boiling Point163.2±9.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point60.0±0.0 °C
Exact Mass115.110947
PSA30.33000
LogP0.41
Vapor Pressure2.1±0.3 mmHg at 25°C
Refractive Index1.456
Storage Conditions2-8°C
StabilityStable. Combustible. Incompatible with strong oxidizing agents, mineral and organic acids, carbon dioxide. Air-sensitive.
Additional Propertymiscible

GHS Safety & Compliance

Flammable / Corrosion / IrritantSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2925290090
Summary2925290090 other imines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,1,3,3-Tetramethylguanidine?

The CAS number of 1,1,3,3-Tetramethylguanidine is 80-70-6.

What are the molecular formula and molecular weight of 1,1,3,3-Tetramethylguanidine?

1,1,3,3-Tetramethylguanidine has molecular formula C5H13N3 and molecular weight 115.177 g/mol.

Is 1,1,3,3-Tetramethylguanidine hazardous?

1,1,3,3-Tetramethylguanidine has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 1,1,3,3-Tetramethylguanidine?

For 1,1,3,3-Tetramethylguanidine, Upstream Products: Dimethylcyanamide, Dimethylamine, Cyanogen iodide; Downstream Products: Michler's ketone, Dimethylamine, Tetramethylurea.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,1,3,3-Tetramethylguanidine (CAS 80-70-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1362195-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.