Detail of Methyl gallate (99-24-1).
Molecular Structure:

Name: Methyl gallate
CAS Number:99-24-1
Molecular Formula:C₈H₈O₅
Molecular Weight:184.15g/mol
EINECS:202-741-7
Density:1.501g/cm³
Melting Point:201 - 203^°C
Boiling Point:450.1^°Cat760mmHg
Flash Point:190.8^°C
Solubility:SOLUBLE IN HOT WATER
Appearance: white to slightly beige crystalline powder
liansport Information:25kgs
solubility:ethanol: 50 mg/mL, clear
Merck:14,4345
BRN:2113180
CAS DataBase Reference:99-24-1(CAS DataBase Reference)
EPA Substance Registry System:99-24-1(EPA Substance)
Synonyms of Methyl gallate (99-24-1): 4-10-00-01998 (Beilstein Handbook Reference) ; AI3-00861 ; Benzoic acid, 3,4,5-trihydroxy-, methyl ester ; CCRIS 5567 ; Methyl 3,4,5-trihydroxybenzoate ; Methyl gallate ; NSC 363001 .
Product Categories: Photo Active Compounds;Aromatic Esters;Organic acids;(intermediate of bifendate) 
Canonical SMILES: COC(=O)C1=CC(=C(C(=C1)O)O)O
InChI: InChI=1S/C8H8O5/c1-13-8(12)4-2-5(9)7(11)6(10)3-4/h2-3,9-11H,1H3
InChIKey: FBSFWRHWHYMIOG-UHFFFAOYSA-N

 Methyl gallate (99-24-1) can be used for biphenyl intermediates of  BPA and other drugs.And it can used as bifendate intermediates and also as a rubber antioxidant.

METHYL GALLATE (99-24-1) can be obtained fromn sulfuric acid-catalyzed esterification with gallic acid and methano.

Reported in EPA TSCA Inventory.

Moderately toxic by ingestion, intraperitoneal, and intravenous routes. An antioxidant. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS.
Hazard Codes: Xn,Xi
Risk Statements: 22-36/37/38-43
R22:Harmful if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R43:May cause sensitization by skin contact.
Safety Statements: 26-36/37
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37:Wear suitable protective clothing and gloves.
WGK Germany: 3
RTECS: LW8000000 

Stability and Reactivity of Methyl gallate (99-24-1).
Chemical Stability: Not available 
Conditions to Avoid: Not available 
Incompatibilities with Other Materials Strong oxidizing agents, strong bases. 
Hazardous Decomposition Products Carbon monoxide, carbon dioxide. 
Hazardous Polymerization Has not been reported. 
First Aid Measures of Methyl gallate (99-24-1).
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. 
Ingestion: Get medical aid. Wash mouth out with water. 
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 
Handling and Storage of Methyl gallate (99-24-1).
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. 
Storage: Store in a cool, dry place. Store in a tightly closed container.