English Safety Data Sheet Database 中文版 MSDS

2,2,5-trimethylhexane

CAS No. 3522-94-9 | PubChem CID 19041
Section 1. Identification
Chemical Name2,2,5-trimethylhexane CAS No.3522-94-9
Synonyms Chinese Name2,2,5-三甲基己烷
Molecular FormulaC9H20 Molecular Weight128.29
UN No.1262 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS02 · Flammable GHS07 · Irritant GHS08 · Health Hazard GHS09 · Environmental Hazard
Hazard Statements H225H304H315H336H411
Precautionary Statements P210P233P240P241P242P243P261P264P271P273P280P301+P316P302+P352P303+P361+P353P304+P340P319P321P331P332+P317P362+P364P370+P378P391P403+P233P403+P235P405P501

Section 2. Hazards Identification

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

H304 (18.8%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]

H315 (16.7%): Causes skin irritation [Warning Skin corrosion/irritation]

H336 (16.7%): May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]

H411 (16.7%): 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)

Aggregated GHS information provided per 48 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 8. Exposure Controls / Personal Protection

200 [ppm]

2200 [ppm]

13000 [ppm]

Section 9. Physical and Chemical Properties

Colorless liquid. Pungent, acrid odor.

124 °C @760 [mm Hg]

0.7072 @25 °C

16.6 [mmHg]

Boiling point

Composition

Heat of sublimation

Optical coefficient

Phase diagram

Refractive index

Surface tension

Thermal expansion coefficient

Vapor pressure

Virial coefficient

Solvents -> Aliphatics, Saturated (<C12)

Section 11. Toxicological Information

Neurotoxin - Acute solvent syndrome

Source: PubChem CID 19041 (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 09:17:55.
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.