N,N'-Di-tert-butylcarbodiimide
Also known as: 1,3-Di-tert-butylcarbodiimide, Bis(tert-butyl)carbodiimide, Di-tert-butylcarbodiimide, N,N'-Bis(1,1-dimethylethyl)carbodiimide, N,N'-Bis(2-methyl-2-propanyl)carbodiimide, N,N'-Methanediylidenebis(2-methylpropan-2-amine), N,N'-ditert-butylmethanediimine, tBuN=C=NtBu, tert-Butyl[(tert-butylimino)methylidene]amine, tert-butyl(tert-butyliminomethylene)amine
N,N'-Di-tert-butylcarbodiimide (CAS 691-24-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C9H18N2 and a molecular weight of 154.253 g/mol. Key properties include a melting point of 35ºC, a boiling point of 160.6±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 35.0±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 691-24-7
- Jingsj CID
- J-3686-2
- Molecular Formula
- C9H18N2
- Molecular Weight
- 154.253 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 35ºC |
|---|---|
| Boiling Point | 160.6±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 35.0±0.0 °C |
| Exact Mass | 154.147003 |
| PSA | 24.72000 |
| LogP | 3.88 |
| Vapor Pressure | 3.1±0.2 mmHg at 25°C |
| Refractive Index | 1.434 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2921199090 |
|---|---|
| Summary | 2921199090 other acyclic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of N,N'-Di-tert-butylcarbodiimide?
The CAS number of N,N'-Di-tert-butylcarbodiimide is 691-24-7.
What are the molecular formula and molecular weight of N,N'-Di-tert-butylcarbodiimide?
N,N'-Di-tert-butylcarbodiimide has molecular formula C9H18N2 and molecular weight 154.253 g/mol.
Is N,N'-Di-tert-butylcarbodiimide hazardous?
N,N'-Di-tert-butylcarbodiimide has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of N,N'-Di-tert-butylcarbodiimide?
For N,N'-Di-tert-butylcarbodiimide, Upstream Products: 1,3-Di-tert-butyl-2-thiourea, tert-Butylamine, 1,3-Di-tert-butylurea; Downstream Products: N-tert-Butylacetamide, 1,3-Di-tert-butylurea.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N,N'-Di-tert-butylcarbodiimide (CAS 691-24-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3686-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.