Dibutyltin dichloride

Also known as: Dibutyldichlorotin, Dibutyltin(IV) dichloride, Di-n-butyltin dichloride, Dibutyl(dichloro)stannane, Stannane, dibutyldichloro-, di-n-butyl-zinn-dichlorid

Dibutyltin dichloride (CAS 683-18-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H18Cl2Sn and a molecular weight of 303.845 g/mol. Key properties include a melting point of 39 °C, a boiling point of 275.3±0.0 °C at 760 mmHg, a density of 1.4 and a flash point of 107.8±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H312 — Harmful in contact with skin 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.: 683-18-1
Jingsj CID: J-5678-6
Molecular Formula: C₈H₁₈Cl₂Sn
Molecular Weight: 303.845 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	39 °C
Boiling Point	275.3±0.0 °C at 760 mmHg
Density	1.4
Flash Point	107.8±18.7 °C
Exact Mass	303.980743
LogP	1.01
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.4991
Additional Property	320 mg/L, hydrolises in hot water

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

H301 — Toxic if swallowed
H312 — Harmful in contact with skin
H314 — Causes severe skin burns and eye damage
H317 — May cause an allergic skin reaction
H330 — Fatal if inhaled
H341 — Suspected of causing genetic defects
H370 — Causes damage to organs
H372 — Causes damage to organs through prolonged exposure
H410 — Very toxic to aquatic life with long lasting effects

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 Dibutyltin dichloride?

The CAS number of Dibutyltin dichloride is 683-18-1.

What are the molecular formula and molecular weight of Dibutyltin dichloride?

Dibutyltin dichloride has molecular formula C8H18Cl2Sn and molecular weight 303.845 g/mol.

Is Dibutyltin dichloride hazardous?

Dibutyltin dichloride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Dibutyltin dichloride?

For Dibutyltin dichloride, Upstream Products: 2-Phenylbutyryl chloride, Di-n-butyldiphenyltin, Butyryl chloride; Downstream Products: Dibutyldimethoxytin, Dibutoxydibutyltin, dibutyldifluorostannane.

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. "Dibutyltin dichloride (CAS 683-18-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5678-6 (accessed 2026-11-06).

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