4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran (<i>cis</i>- and <i>trans</i>- mixture) , >97.0%(GC) , 16409-43-1

Synonym(s):
(+)-Rose oxide;(4R)-2-(2-Methyl-1-propenyl)-4-methyltetrahydropyran;(4S)-2-(2-Methyl-1-propenyl)-4-methyltetrahydropyran

CAS NO.：16409-43-1

Empirical Formula: C10H18O

Molecular Weight: 154.25

MDL number: MFCD00036607

EINECS: 240-457-5

PRODUCT Properties

• Boiling point: 86 °C20 mm Hg(lit.)
• Density: 0.873 g/mL at 20 °C(lit.)
• vapor pressure: 53Pa at 20℃
• FEMA: 3236 | TETRAHYDRO-4-METHYL-2-(2-METHYLPROPEN-1-YL)PYRAN
• refractive index: n20/D 1.454
• Flash point: 157 °F
• storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
• color: A colourless mobile liquid.
• Odor: at 1.00 % in dipropylene glycol. green red rose spicy fresh geranium
• Odor Type: floral
• biological source: synthetic
• optical activity: [α]20/D 28±1°, neat
• Water Solubility: 920mg/L at 20℃
• JECFA Number: 1237
• BRN: 1680588
• Cosmetics Ingredients Functions: FRAGRANCE; PERFUMING
• LogP: 3.3 at 23℃
• CAS DataBase Reference: 16409-43-1(CAS DataBase Reference)
• EPA Substance Registry System: 2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propenyl)- (16409-43-1)

Description and Uses

Refer to the productμs Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315
• Precautionary statements: P264-P280-P302+P352-P332+P313-P362+P364
• Hazard Codes: Xi
• Risk Statements: 38-36/37/38
• Safety Statements: 36-26
• WGK Germany: 3
• RTECS: UQ1470000
• F: 10-23
• HS Code: 29329990
• Toxicity: The acute oral LD₅₀ value in rats was reported as 4.3 g/kg (3.7-4.9 g/kg) and the acute dermal LD₅₀ value in rabbits as > 5 g/kg (Moreno, 1973).