Benzoic anhydride

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Chemical Properties

Benzoic anhydride Basic information

Product Name:	Benzoic anhydride
Synonyms:	Phenyl anhydride;BENZOIC ANHYDRIDE, TECH., 90%;BenzoicAnhydride,~98%;BenzoicAnhydride99%;BENZOIC ANHYDRIDE pure;Banzoyl benzoate;Dibenzoic acid anhydride;Dibenzoic anhydride
CAS:	93-97-0
MF:	C14H10O3
MW:	226.23
EINECS:	202-291-1
Product Categories:	Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Biochemistry;Nucleosides, Nucleotides & Related Reagents;Protecting Agents for Hydroxyl and Amino Groups;Protecting Agents, Phosphorylating Agents & Condensing Agents;Reagents for Oligosaccharide Synthesis;Carboxylic Acid Anhydrides;Carbonyl Compounds;Organic Building Blocks
Mol File:	93-97-0.mol

Benzoic anhydride Chemical Properties

Melting point	38-42 °C(lit.)
Boiling point	360 °C
density	1.199 g/mL at 25 °C(lit.)
refractive index	nD15 1.57665
Fp	>230 °F
storage temp.	Store at RT.
solubility	0.01g/l (experimental)
form	Crystals or Crystalline Powder
color	White to almost white
Water Solubility	0.01 g/L
Sensitive	Moisture Sensitive
Merck	14,1092
BRN	516726
InChIKey	CHIHQLCVLOXUJW-UHFFFAOYSA-N
CAS DataBase Reference	93-97-0(CAS DataBase Reference)
NIST Chemistry Reference	Benzoic acid, anhydride(93-97-0)
EPA Substance Registry System	Benzoic acid, anhydride(93-97-0)

Safety Information

MSDS Information

Benzoic anhydride Usage And Synthesis

Chemical Properties	white to almost white crystals or crystalline
Uses	Benzoic Anhydride is the more active analogue of benzoic acid formed via dehydration. Benzoic Anhydride is used in the synthesis of a wide range of organic compounds including some dyes. Benzoic Anhyd ride is also used as an arylation agent in the Heck reaction.
Uses	In organic syntheses, as benzoylating agent in the manufacture of pharmaceuticals, dyes, and intermediates.
Purification Methods	Free it from benzoic acid by washing with NaHCO3, then water, and drying. Crystallise it from *benzene (0.5mL/g) by adding just enough pet ether (b 40-60o) to cause cloudiness, then cool in ice. It can be distilled at 210-220o/20mm. [Beilstein 19 IV 550.]