English Safety Data Sheet Database 中文版 MSDS

1,4-dimethylcyclohexane

CAS No. 589-90-2 | PubChem CID 11523
Section 1. Identification
Chemical Name1,4-dimethylcyclohexane CAS No.589-90-2
Synonymshexahydro-pxylene Chinese Name1,4-二甲基环己烷
Molecular FormulaC8H16 Molecular Weight112.2126
UN No.2263 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS02 · Flammable GHS07 · Irritant GHS08 · Health Hazard GHS09 · Environmental Hazard
Hazard Statements H225H304H315H336H411H335H302
Precautionary Statements P210P233P240P241P242P243P261P264P271P273P280P301+P316P302+P352P303+P361+P353P304+P340P319P321P331P332+P317P362+P364P370+P378P391P403+P233P403+P235P405P501P270P301+P317P330

Section 2. Hazards Identification

H225: Highly Flammable liquid and vapor [Danger Flammable liquids]

H304: May be fatal if swallowed and enters airways [Danger Aspiration hazard]

H315: Causes skin irritation [Warning Skin corrosion/irritation]

H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]

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

P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P319, P321, P331, P332+P317, P362+P364, P370+P378, P391, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

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

H304 (87.3%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]

H315 (85.9%): Causes skin irritation [Warning Skin corrosion/irritation]

H335 (31%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

H336 (87.3%): May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]

H411 (33.8%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Aggregated GHS information provided per 71 reports by companies from 5 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.

H302 (97.5%): Harmful if swallowed [Warning Acute toxicity, oral]

P210, P233, P240, P241, P242, P243, P264, P270, P280, P301+P317, P303+P361+P353, P330, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 40 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

H304 (100%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]

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

H336 (100%): May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]

H411 (100%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

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.

Section 8. Exposure Controls / Personal Protection

150 [ppm]

1700 [ppm]

10000 [ppm]

Section 9. Physical and Chemical Properties

Clear colorless liquid with an odor like petroleum; [CAMEO]

124.4 °C @760 [mm Hg]

-87.4 °C

0.7829 @25 °C

Optical coefficient

Refractive index

Thermal expansion coefficient

Viscosity

Fatty Acyls [FA] -> Hydrocarbons [FA11]

Solvents -> Aliphatics, Saturated (<C12)

Section 11. Toxicological Information

Neurotoxin - Acute solvent syndrome

Source: PubChem CID 11523 (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 09:37:37.
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.