Molecular Formula: C₈H₇BO₂
Molar mass: 145.95 g/mol
EINECS: 203-105-1
Density: 1.016 g/cm³
Flash Point: 107.2 °C
Index of Refraction: 1.499
Boiling Point: 241.1 °C at 760 mmHg
Vapour Pressure: 0.0366 mmHg at 25°C
Appearance: Clear colourless liquid
Solubility: Soluble in ethanol, ether and other organic solvents; slightly soluble in propylene glycol; insoluble in water and glycerin
Product categories: Pharmaceutical Intermediates;Flavors and Fragrances;Alphabetical Listings;Certified Natural Products
Structure of Benzyl butyrate (CAS NO.103-37-7):

XLogP3-AA: 2.8
H-Bond Donor: 0
H-Bond Acceptor: 2
IUPAC Name: Benzyl butanoate
Canonical SMILES: CCCC(=O)OCC1=CC=CC=C1
InChI: InChI=1S/C11H14O2/c1-2-6-11(12)13-9-10-7-4-3-5-8-10/h3-5,7-8H,2,6,9H2,
1H3 
InChIKey: VONGZNXBKCOUHB-UHFFFAOYSA-N

 Benzyl butyrate (CAS NO.103-37-7) is mainly used in the preparation of pears, apricots, Li and other flavor and essence of the coordination agent .

 Benzyl butyrate (CAS NO.103-37-7) can be obtained with butyric acid and benzyl alcohol in sulfuric acid-catalyzed preparation: or it can be derived with mixture of Butyric acid, Sodium butyrate and Benzyl chloride in an enclosed container and then heated to 200 ℃ for 2h.

Safety Statements:
24:  Avoid contact with skin
25:  Avoid contact with eyes

 Benzyl butyrate ,its cas register number is 103-37-7.It is a peripherally-acting aromatic L-amino acid decarboxylase (AAAD) or DOPA decarboxylase inhibitor, which is unable to cross the blood-brain barrier, and also can be called Butanoic acid, phenylmethyl ester ; Phenylmethyl butanoate ; Phenylmethyl butyrate ; Butyric acid, benzyl ester and Benzyl n-butanoate
Benzylsuccinate .It is hazardous,so the first aid measures and others should be known.Such as: When on the skin: first,should  flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly,Get shoesmedical aid . Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.Then get medical aid soon.While ,it's Inhaled: Remove from exposure and move to fresh air immediately.And as soon as to get medical aid. Then you have the ingesting of the product : Wash mouth out with water,and get medical aid immediately.Notes to physician: Treat supportively and symptomatically.
In addition, Benzyl butyrate (CAS NO.103-37-7) is not compatible with strong oxidizing agents, and you must not take it with incompatible materials.And also prevent it to broken down into hazardous decomposition products: carbon dioxide, carbon monoxide.