English Safety Data Sheet Database 中文版 MSDS

2,3-Dichloro-1,1,1,4,4,4-hexafluoro-2-butene

CAS No. 303-04-8 | PubChem CID 2733252
Section 1. Identification
Chemical Name2,3-Dichloro-1,1,1,4,4,4-hexafluoro-2-butene CAS No.303-04-8
Synonyms2,3-dichlorohexafluoro-2-butylene; hexafluoro-2,3-dichloro-2-butylene Chinese Name六氟-2,3-二氯-2-丁烯
Molecular FormulaC_1Cl_2F_6 Molecular Weight232.939
UN No.2810 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS05 · Corrosive GHS06 · Acute Toxic
Hazard Statements H314H330
Precautionary Statements P260P264P271P280P284P301+P330+P331P302+P361+P354P304+P340P305+P354+P338P316P320P321P363P403+P233P405P501

Section 2. Hazards Identification

H314 (97.5%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

H330 (97.5%): Fatal if inhaled [Danger Acute toxicity, inhalation]

P260, P264, P271, P280, P284, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P363, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 40 reports by companies from 3 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

Colorless liquid; [Aldrich MSDS]

Other Classes -> Halogenated Aliphatics, Unsaturated

Section 11. Toxicological Information

Neurotoxin - Acute solvent syndrome

Dermatotoxin - Skin burns.

Lacrimator (Lachrymator) - A substance that irritates the eyes and induces the flow of tears.

Toxic Pneumonitis - Inflammation of the lungs induced by inhalation of metal fumes or toxic gases and vapors.

LC50 (rat) = 16 ppm/4hr

Source: PubChem CID 2733252 (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 09:48:20.
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.