1,1,3-TRIMETHYLCYCLOHEXANE
- CAS NO.：3073-66-3
- Empirical Formula: C9H18
- Molecular Weight: 126.24
- MDL number: MFCD00039462
- EINECS: 221-347-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-06-24 21:05:35
What is 1,1,3-TRIMETHYLCYCLOHEXANE?
Chemical properties
Clear, colorless, flammable liquid with an odor resembling methylcyclohexane.
Environmental Fate
Chemical/Physical. Complete combustion in air produces carbon dioxide and water vapor. 1,1,3-Trimethylcyclohexane will not hydrolyze because it does not contain a hydrolyzable functional group.
Properties of 1,1,3-TRIMETHYLCYCLOHEXANE
| Melting point: | -65.75°C |
| Boiling point: | 136-138°C |
| Density | 0,778 g/cm3 |
| vapor pressure | 11.1 (estimated using Antoine equation, Dean, 1987) |
| refractive index | n20/D 1.429 |
| Flash point: | 18°C |
| solubility | Miscible with cyclopentane, cyclohexane, methylcyclohexane, dimethylcyclohexane, and
trimethylcyclohexane isomers. |
| form | clear liquid |
| pka | >14 (Schwarzenbach et al., 1993) |
| color | Colorless to Almost colorless |
| Odor | green sweet |
| Water Solubility | 1.77 mg/kg at 25 °C (shake flask-GLC, Price, 1976) |
| Henry's Law Constant | 1.1 at 25 °C (Mackay and Shiu, 1981) |
| CAS DataBase Reference | 3073-66-3(CAS DataBase Reference) |
| EPA Substance Registry System | Cyclohexane, 1,1,3-trimethyl- (3073-66-3) |
Safety information for 1,1,3-TRIMETHYLCYCLOHEXANE
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Health Hazard GHS08 |
| GHS Hazard Statements |
H225:Flammable liquids H304:Aspiration hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P242:Use only non-sparking tools. P243:Take precautionary measures against static discharge. P280:Wear protective gloves/protective clothing/eye protection/face protection. P331:Do NOT induce vomiting. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for 1,1,3-TRIMETHYLCYCLOHEXANE
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