2-ISOBUTYL-4-HYDROXY-4-METHYLTETRAHYDROPYRAN
- CAS NO.：63500-71-0
- Empirical Formula: C10H20O2
- Molecular Weight: 172.26
- MDL number: MFCD00169854
- EINECS: 405-040-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is 2-ISOBUTYL-4-HYDROXY-4-METHYLTETRAHYDROPYRAN?
Chemical properties
2-Isobutyl-4-methyltetrahydro-2H-pyran-4-ol is a colorless to pale yellow
liquid with a fresh, soft, and natural floral odor.
Cyclocondensation of 3-methyl-3-buten-l-ol with 3-methylbutanal on silica gel
and alumina in the absence of solvents is proposed for synthesis.The material
consists of a cis/trans-isomer mixture. The proportion of the more valuable
cis-isomer can be increased by using dilute sulfuric acid as catalyst.
Flammability and Explosibility
Non flammable
Trade name
Florol® (Firmenich), Florosa (Givaudan), Florosol (Innospec), Pyranol (BASF).
Properties of 2-ISOBUTYL-4-HYDROXY-4-METHYLTETRAHYDROPYRAN
| Boiling point: | 93-95 °C(Press: 3 Torr) |
| Density | 0.9516 g/cm3 |
| vapor pressure | 1Pa at 20℃ |
| pka | 14.69±0.40(Predicted) |
| Odor | at 100.00 %. fresh clean soft natural floral muguet linalool |
| Water Solubility | 23g/L at 23℃ |
| EPA Substance Registry System | 2H-Pyran-4-ol, tetrahydro-4-methyl-2-(2-methylpropyl)- (63500-71-0) |
Safety information for 2-ISOBUTYL-4-HYDROXY-4-METHYLTETRAHYDROPYRAN
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P321:Specific treatment (see … on this label). P330:Rinse mouth. P363:Wash contaminated clothing before reuse. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. P501:Dispose of contents/container to..… |
Computed Descriptors for 2-ISOBUTYL-4-HYDROXY-4-METHYLTETRAHYDROPYRAN
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