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1,4-Dichlorobenzene-d4

Also known as: 1,4-Dichloro(2H4)benzene, 1,4-Dichloro-2,3,5,6-tetradeuterobenzene, Tetradeutero-1,4-dichlorobenzene, p-Dichlorobenzene-d4, Benzene, 1,4-dichloro-, [2H4], 1,4-DICHLOROBENZENE-D4, 1000MG, NEAT, 1,4-DICHLOROBENZENE-D4, 1X1ML, CH2CL2, 2 000UG/ML, 1,4-DICHLOROBENZENE-D4, 1X1ML, MEOH, 200 0UG/ML, 1,4-DICHLOROBENZENE-D4, 98 ATOM % D, MFCD00000605

1,4-Dichlorobenzene-d4 (CAS 3855-82-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6Cl2D4 and a molecular weight of 151.027 g/mol. Key properties include a melting point of 52-54ºC(lit.), a boiling point of 174.1±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 65.6±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation, H351 — Suspected of causing cancer and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3855-82-1
Jingsj CID
J-881-7
Molecular Formula
C6Cl2D4
Molecular Weight
151.027 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point52-54ºC(lit.)
Boiling Point174.1±0.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point65.6±0.0 °C
Exact Mass149.994110
LogP3.34
Vapor Pressure1.6±0.3 mmHg at 25°C
Refractive Index1.549

GHS Safety & Compliance

Irritant / Health Hazard / Environmental HazardSignal word: Warning
  • H319 — Causes serious eye irritation
  • H351 — Suspected of causing cancer
  • H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information[1]. Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216. [2]. M. Tschickardt. Dichlorobenzene isomers (1,2-dichlorobenzene, 1,3-dichlorobenzene and 1,4 dichlorobenzene).

Frequently Asked Questions

What is the CAS number of 1,4-Dichlorobenzene-d4?

The CAS number of 1,4-Dichlorobenzene-d4 is 3855-82-1.

What are the molecular formula and molecular weight of 1,4-Dichlorobenzene-d4?

1,4-Dichlorobenzene-d4 has molecular formula C6Cl2D4 and molecular weight 151.027 g/mol.

Is 1,4-Dichlorobenzene-d4 hazardous?

1,4-Dichlorobenzene-d4 has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation; H351 — Suspected of causing cancer; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of 1,4-Dichlorobenzene-d4?

For 1,4-Dichlorobenzene-d4, Downstream Products: 2,5-Dichloroaniline-3,4,6-d3.

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

Last updated:

How to cite: Jingsj. "1,4-Dichlorobenzene-d4 (CAS 3855-82-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-881-7 (accessed 2026-10-29).

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