P-TOLYL ACETATE Seven Chongqing Chemdad Co. ，Ltd

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P-TOLYL ACETATE

CAS No.：140-39-6

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P-TOLYL ACETATE Basic information

Product Name:	P-TOLYL ACETATE
Synonyms:	P-ACETOXYTOLUENE;P-CRESYL ACETATE;P-TOLYL ACETATE;4-Acetoxytoluene;Narceol;Paracresyl acetate;paracresylacetate;p-Cresol acetate
CAS:	140-39-6
MF:	C9H10O2
MW:	150.17
EINECS:	205-413-1
Product Categories:	Organics
Mol File:	140-39-6.mol

P-TOLYL ACETATE Chemical Properties

Melting point	48.5 °C
Boiling point	210-211 °C(lit.)
density	1.047 g/mL at 25 °C(lit.)
vapor pressure	21.864Pa at 25℃
refractive index	n20/D 1.501(lit.)
FEMA	3073 \| P-TOLYL ACETATE
Fp	194 °F
storage temp.	Sealed in dry,Room Temperature
solubility	Insoluble in water
form	powder to lump to clear liquid
Specific Gravity	1.052 (20/4℃)
color	White or Colorless to Almost white or Almost colorless
Water Solubility	1.195g/L at 25℃
JECFA Number	699
LogP	2.11 at 25℃
CAS DataBase Reference	140-39-6(CAS DataBase Reference)
NIST Chemistry Reference	Acetic acid, 4-methylphenyl ester(140-39-6)
EPA Substance Registry System	Acetic acid, 4-methylphenyl ester (140-39-6)

Safety Information

Hazard Codes	Xn
Risk Statements	22-36/37/38
Safety Statements	26-36/37/39
RIDADR	NA 1993 / PGIII
WGK Germany	2
RTECS	AJ7570000
toxicity	The acute oral LD₅₀ in rats was reported as 1.9 (1.12-3.23) g/kg (Denine, 1973). The acute dermal LD₅₀ in rabbits was reported as 2.1 (1.24-3.57) g/kg (Denine, 1973).

MSDS Information

Provider	Language
SigmaAldrich	English

P-TOLYL ACETATE Usage And Synthesis

Chemical Properties	Colorless, oily liquid; odor similar to phenol. distillation with steam. Insoluble in water; soluble in common organic solvents. Combustible.
Chemical Properties	p-Tolyl acetate has a strong, floral odor (narcissus) with a characteristic honey-like flavor
Occurrence	Reported as a constituent of the essential oils of wallflower, cananga and ylang-ylang.
Uses	Perfumery, flavoring.
Uses	p-Tolyl acetate has been used in the total synthesis of (?)-incrustoporin.
Preparation	By acetylation of p-cresol.
Aroma threshold values	Detection: 25 ppb
Synthesis Reference(s)	The Journal of Organic Chemistry, 43, p. 2417, 1978 DOI: 10.1021/jo00406a025
General Description	The Fries rearrangement of p-tolyl acetate has been investigated using the H-form of various zeolites as catalysts. Mechanism of photo-Fries rearrangement of p-tolyl acetate has been studied.
Flammability and Explosibility	Notclassified
Safety Profile	Moderately toxic by ingestion and skin contact. Combustible liquid. When heated to decomposition it emits toxic smoke and irritating fumes.

P-TOLYL ACETATE Preparation Products And Raw materials

Raw materials	p-Cresol-->1,1'-Biphenyl, 2,2'-dimethoxy-5,5'-dimethyl--->benzyl p-tolyl ether-->P-TOLYLTRIMETHYLSILANE-->Acetyl bromide-->4'-Methylacetophenone-->carbon monoxide-->Acetyl chloride-->Iodomethane-->Vinyl acetate-->4-Methylanisole
Preparation Products	4-HYDROXY-6-METHYLCOUMARIN-->O-TOLYL ACETATE-->4-Acetoxybenzoic acid

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