Basic information Safety Supplier Related

FEMA 3078

Basic information Safety Supplier Related

FEMA 3078 Basic information

Product Name:
FEMA 3078
Synonyms:
  • P-METHYLHYDRATROPALDEHYDE
  • FEMA 3078
  • 2-(P-TOLYL)-PROPIONALDEHYDE
  • .alpha.,4-dimethyl-Benzeneacetaldehyde
  • 2-(p-methylphenyl)propionaldehyde
  • 2-(p-tolyl)propanal
  • 2-(p-tolyl)-propionaldehyd
  • 2-(p-tolyl)propionicaldehyde
CAS:
99-72-9
MF:
C10H12O
MW:
148.2
EINECS:
202-782-0
Mol File:
99-72-9.mol
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FEMA 3078 Chemical Properties

Boiling point:
208.81°C (rough estimate)
Density 
0.8884 (rough estimate)
refractive index 
1.5003 (estimate)
FEMA 
3078 | 2-(P-TOLYL)PROPIONALDEHYDE
Odor
at 10.00 % in dipropylene glycol. floral green sweet woody herbal powdery
Odor Type
green
JECFA Number
1471
LogP
2.59
EPA Substance Registry System
Benzeneacetaldehyde, .alpha.,4-dimethyl- (99-72-9)
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Safety Information

Toxicity
The acute oral LD50 value in rats was reported as 3.50 g/kg (2.40-4.60 g/kg) (Moreno, 1973). The acute dermal LD50 value in rabbits was reported as > 5 g/kg (Moreno, 1973).
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FEMA 3078 Usage And Synthesis

Chemical Properties

2-(p-Tolyl)-propionaldehyde has an intense, sweet, refreshing odor, similar to peppermint.

Occurrence

Has apparently not been reported to occur in nature

Uses

2-(4-Methylphenyl)propanal is used as a reactant in the asymmetric synthesis of α-branched homoallylic aldehydes.

Preparation

By reaction of α-terpinene and chromyl chloride in carbon disulfide and subsequent hydrolysis of the resulting cymenechromyl chloride addition product; also by heating p-tolyl glycidic acid and water.

Taste threshold values

Taste characteristics at 10 ppm: green, woody, waxy and musty.

FEMA 3078Supplier

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