English Safety Data Sheet Database 中文版 MSDS

1,2-dibromobenzene

CAS No. 583-53-9 | PubChem CID 11414
Section 1. Identification
Chemical Name1,2-dibromobenzene CAS No.583-53-9
Synonymso-dibromobenzene Chinese Name1,2-二溴苯
Molecular FormulaC6H4Br2 Molecular Weight235.904
UN No.3082 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word WARNING
Pictograms GHS07 · Irritant GHS09 · Environmental Hazard
Hazard Statements H315H319H335H411
Precautionary Statements P261P264P264+P265P271P273P280P302+P352P304+P340P305+P351+P338P319P321P332+P317P337+P317P362+P364P391P403+P233P405P501

Section 2. Hazards Identification

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335 (89.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

H411 (14.6%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

P261, P264, P264+P265, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Section 9. Physical and Chemical Properties

Pale yellow liquid; Not miscible or difficult to mix in water; Melting point = 5-8 deg C; [MSDSonline]

Thick liquid with a pleasant odor; [CAMEO] Colorless liquid; [NJ-HSFS]

0.13 [mmHg]

13C nuclear magnetic resonance spectrum

Schoenflies notation

Boiling point

Chemical bond

Chemical shift

Diamagnetic susceptibility

Dielectric constant

Fusion temperature

Heat of sublimation

Internuclear distance

Magnetic susceptibility

Melting temperature

Molecular structure

Nuclear quadrupole resonance spectroscopy

Optical coefficient

Phase transition

Point group

Quadrupole coupling

Refractive index

Spin-spin coupling constant

Thermal expansion coefficient

Transition enthalpy

Vapor pressure

Viscosity

Other Classes -> Halogenated Monoaromatics

Flammable agents - 2nd degree

Solvents -> Brominated Solvents

Section 11. Toxicological Information

Neurotoxin - Acute solvent syndrome

Source: PubChem CID 11414 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 09:39:59.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.