Substance profile
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylindeno[5,6-c]pyran
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylindeno[5,6-c]pyran is colorless crystals from ethanol with a strong musk odor.
01 · Identification
What 1,3,4,6,7,8-hexahydro-4,6,6,7… is
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylindeno[5,6-c]pyran is colorless crystals from ethanol with a strong musk odor. It melts at 57.5 °C.
Under the GHS it carries the signal word Warning.
Other names for 1,3,4,6,7,8-hexahydro-4,6,6,7…
- galaxolide
- (HHCB)
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
03 · Physical and chemical properties
1,3,4,6,7,8-hexahydro-4,6,6,7… properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 128 °C (262.4 °F) | at 0.8 mmHg (reduced pressure) | HSDB |
| Melting point | 57.5 °C (135.5 °F) | range, midpoint shown | HSDB |
| -5 °C (23 °F) | range, midpoint shown | HSDB | |
| Density | 1.087 g/cm³ | HSDB | |
| 1.0054 g/cm³ | at 20 °C | HSDB | |
| 1.0035 g/cm³ | range, midpoint shown, at 20 °C | HSDB | |
| Solubility | In water, 1.75 mg/L at 25 °C | at 25 °C | HSDB |
| In water, 1.65-1.99 mg/L at 25 °C and pH 5-9[ECHA; Search for Chemicals. 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexmethylindeno | at 25 °C | HSDB | |
| Vapor pressure | 0.000545 mmHg | at 25 °C | HSDB |
| 0.00054 mmHg | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling 1,3,4,6,7,8-hexahydro-4,6,6,7…
Storage conditions
Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Store under inert gas. Storage class (TRGS 510): Combustible liquids.[Sigma-Aldrich; Safety Data Sheet for 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8- hexamethylcyclopenta
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check 1,3,4,6,7,8-hexahydro-4,6… in the storage compatibility matrix →