Product Name

  • Name

    Prenyl acetate

  • EINECS 214-730-4
  • CAS No. 1191-16-8
  • Article Data82
  • CAS DataBase
  • Density 0.909 g/cm3
  • Solubility 4.3g/L at 20℃
  • Melting Point -62.68°C (estimate)
  • Formula C7H12O2
  • Boiling Point 149.7 °C at 760 mmHg
  • Molecular Weight 128.171
  • Flash Point 49.4 °C
  • Transport Information UN 3272 3/PG 3
  • Appearance colorless liquid
  • Safety 16
  • Risk Codes 10
  • Molecular Structure Molecular Structure of 1191-16-8 (Prenyl acetate)
  • Hazard Symbols R10:;
  • Synonyms 2-Buten-1-ol,3-methyl-, acetate (6CI,7CI,8CI,9CI);1-Acetoxy-3-methyl-2-butene;3,3-Dimethylallyl acetate;3-Methyl-1-acetoxy-2-butene;3-Methyl-2-buten-1-olacetate;3-Methyl-2-buten-1-yl acetate;3-Methyl-2-butenyl acetate;Acetic acid3-methyl-2-butenyl ester;Dimethylallyl acetate;Isopent-2-enyl acetate;g,g-Dimethylallyl acetate;
  • PSA 26.30000
  • LogP 1.51570

Prenyl acetate Consensus Reports

Reported in EPA TSCA Inventory.

Prenyl acetate Specification

The IUPAC name of 3,3-Dimethylallyl acetate is 3-methylbut-2-enyl acetate. With the CAS registry number 1191-16-8, it is also named as 2-Buten-1-ol, 3-methyl-, acetate. The classification codes are Natural Product and Skin / Eye Irritant. It is colorless liquid with fruity odor. Additionally, this chemical should be sealed in the container and stored in the cool, ventilate and dry place. Besides, it is flammable, so people should keep it away from sources of ignition.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 2.07; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.07; (4)ACD/LogD (pH 7.4): 2.07; (5)ACD/BCF (pH 5.5): 22.01; (6)ACD/BCF (pH 7.4): 22.01; (7)ACD/KOC (pH 5.5): 318.19; (8)ACD/KOC (pH 7.4): 318.19; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Index of Refraction: 1.426; (13)Molar Refractivity: 36.15 cm3; (14)Molar Volume: 140.9 cm3; (15)Polarizability: 14.33×10-24 cm3; (16)Surface Tension: 26.1 dyne/cm; (17)Enthalpy of Vaporization: 38.66 kJ/mol; (18)Vapour Pressure: 3.99 mmHg at 25°C; (19)Rotatable Bond Count: 3; (20)Exact Mass: 128.08373; (21)MonoIsotopic Mass: 128.08373; (22)Topological Polar Surface Area: 26.3; (23)Heavy Atom Count: 9; (24)Complexity: 121.

Preparation of 3,3-Dimethylallyl acetate: It can be obtained by acetic acid and 2-methyl-but-3-en-2-ol. This reaction needs reagent sulfuric acid and copper (II)-sulfate.
 

Uses of 3,3-Dimethylallyl acetate: It can react with 5-bromo-1H-pyrimidin-2-one to get 5-bromo-1-(3-methyl-2-butenyl)-2(1H)-pyrimidinone. This reaction needs reagent triethylamine, palladium(II) acetate and triisopropyl phosphite and solvent CH2Cl2 at ambient temperature. The reaction time is 16 hours. The yield is 46%.

People can use the following data to convert to the molecule structure.
1. SMILES:O=C(OC\C=C(/C)C)C
2. InChI:InChI=1/C7H12O2/c1-6(2)4-5-9-7(3)8/h4H,5H2,1-3H3 
3. InChIKey:XXIKYCPRDXIMQM-UHFFFAOYAR

The following are the toxicity data which has been tested.

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin > 5gm/kg (5000mg/kg)   Food and Chemical Toxicology. Vol. 20, Pg. 817, 1982.
rat LD50 oral 2900mg/kg (2900mg/kg) SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"
National Technical Information Service. Vol. OTS0571762,

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