English Safety Data Sheet Database 中文版 MSDS

4-Bromo-o-xylene

CAS No. 583-71-1 | PubChem CID 68504
Section 1. Identification
Chemical Name4-Bromo-o-xylene CAS No.583-71-1
Synonyms4-bromo-1,2-xylene; 4-bromo-1,2-dimethyl benzene Chinese Name4-溴-1,2-二甲基苯
Molecular FormulaCgH9Br Molecular Weight185.061
UN No.2810 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word WARNING
Pictograms GHS07 · Irritant GHS09 · Environmental Hazard
Hazard Statements H302H315H319H335H400
Precautionary Statements P261P264P264+P265P270P271P273P280P301+P317P302+P352P304+P340P305+P351+P338P319P321P330P332+P317P337+P317P362+P364P391P403+P233P405P501

Section 2. Hazards Identification

H302 (88%): Harmful if swallowed [Warning Acute toxicity, oral]

H315 (98%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (98%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335 (94%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

H400 (82%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]

P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, 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 50 reports by companies from 10 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

Optical coefficient

Refractive index

Source: PubChem CID 68504 (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 10:01:46.
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.