Bis(trimethylsilyl)carbodiimide

Also known as: 1,3-Bis(trimethylsilyl)carbodiimide, N,N'-Bis(trimethylsilyl)carbodiimide, BTSCD, N,N'-Methanetetraylbis[1,1,1-trimethylsilanamine], N,N'-bis(trimethylsilyl)methanediimine, Silanamine, 1,1,1-trimethyl-N-[(trimethylsilyl)carbonimidoyl]-

Bis(trimethylsilyl)carbodiimide (CAS 1000-70-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H18N2Si2 and a molecular weight of 186.402 g/mol. Key properties include a melting point of −23 °C(lit.), a boiling point of 165.8±9.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 54.1±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1000-70-0
Jingsj CID: J-40983-6
Molecular Formula: C₇H₁₈N₂Si₂
Molecular Weight: 186.402 g/mol
Category: Organic Bases
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	−23 °C(lit.)
Boiling Point	165.8±9.0 °C at 760 mmHg
Density	0.8±0.1 g/cm3
Flash Point	54.1±18.7 °C
Exact Mass	186.100845
PSA	24.72000
LogP	4.09
Vapor Pressure	2.4±0.3 mmHg at 25°C
Refractive Index	1.424

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

H225 — Highly flammable liquid and vapour
H302 — Harmful if swallowed
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

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 Bis(trimethylsilyl)carbodiimide?

The CAS number of Bis(trimethylsilyl)carbodiimide is 1000-70-0.

What are the molecular formula and molecular weight of Bis(trimethylsilyl)carbodiimide?

Bis(trimethylsilyl)carbodiimide has molecular formula C7H18N2Si2 and molecular weight 186.402 g/mol.

Is Bis(trimethylsilyl)carbodiimide hazardous?

Bis(trimethylsilyl)carbodiimide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.

What are the upstream and downstream products of Bis(trimethylsilyl)carbodiimide?

For Bis(trimethylsilyl)carbodiimide, Upstream Products: Chlorodiphenylphosphine, Cyanamide, 1,1,1,3,3,3-Hexamethyldisilazane; Downstream Products: (Phenylthio)trimethylsilane, Trimethylfluorosilane, Trimethylsilanol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Bis(trimethylsilyl)carbodiimide (CAS 1000-70-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40983-6 (accessed 2026-11-09).

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