English Safety Data Sheet Database 中文版 MSDS

1,3-difluorobenzene

CAS No. 372-18-9 | PubChem CID 9741
Section 1. Identification
Chemical Name1,3-difluorobenzene CAS No.372-18-9
Synonymsm-difluorobenzene Chinese Name1,3-二氟苯
Molecular FormulaC6H4F2 Molecular Weight114.09
UN No.1993 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS02 · Flammable GHS07 · Irritant
Hazard Statements H225H319H332
Precautionary Statements P210P233P240P241P242P243P261P264+P265P271P280P303+P361+P353P304+P340P305+P351+P338P317P337+P317P370+P378P403+P235P501

Section 2. Hazards Identification

H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]

H319 (15.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H332 (74.1%): Harmful if inhaled [Warning Acute toxicity, inhalation]

P210, P233, P240, P241, P242, P243, P261, P264+P265, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P317, P337+P317, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 58 reports by companies from 8 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

13C nuclear magnetic resonance spectrum

Coriolis coupling

Schoenflies notation

Boiling point

Centrifugal distortion

Chemical bond

Chemical shift

Dielectric constant

Equilibrium structure

Excess enthalpy

Fusion temperature

Heat of solution

Heat of sublimation

Hindering potential

Internuclear distance

Magnetic anisotropy

Melting temperature

Mixing enthalpy

Molecular structure

Moment of inertia

Nuclear quadrupole coupling

Nuclear quadrupole moment

Optical coefficient

Phase transition

Point group

Refractive index

Rotation-vibration spectrum

Rotational excitation cross section

Spin-spin coupling constant

Thermal expansion coefficient

Transition enthalpy

Vapor pressure

Vibrational mode frequency

Viscosity

Environmental transformation -> Pesticide transformation products (metabolite, successor)

Source: PubChem CID 9741 (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 08:57:31.
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.