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91-01-0 - Benzhydrol, 99% - Diphenylcarbinol - Diphenylmethanol - A12884 - Alfa Aesar

A12884 Benzhydrol, 99%

Número CAS
Nombre Alternativo

Tamaño Precio ($) Cantidad Disponibilidad
50g 18,64
250g 48,31
1000g 154,50
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Benzhydrol, 99%


Propiedades químicas

Peso molecular
Punto de fusión
Punto de ebullición
Punto de inflamabilidad
Slightly soluble in water.


Benzhydrol is widely used as intermediates in pharmaceuticals (including antihistamines), agrochemicals, perfumes and other organic compounds. It is used as a fixative in the perfume industry. It is involved in polymerization reaction as a terminating group. It is used as precursor to prepare modafinil, benztropine and diphehydramine.


Incompatible with strong oxidizing agents, acids, acid chlorides and acid anhydrides.

Referencias documentales

The protection of OH groups as benzhydryl ethers can be catalyzed by sulfuric acid: Org. Synth. Coll., 4, 72 (1963); Angew. Chem. Int. Ed., 15, 281 (1976). See also Benzhydryl­ bromide, L02211. Thiols, e.g. in cysteine residues in peptide synthesis, can be protected as thioethers in the presence of TFA or HBr/AcOH: J. Chem. Soc. (C), 2683 (1970). The group can be cleaved by TFA in the presence of a cation scavenger, e.g. phenol or anisole (same ref.), or by Na in liquid NH3: J. Am. Chem. Soc., 84, 3887 (1962). See Appendix 6.

Carboxyl groups can be protected by esterification in benzene with tosic acid catalyst. Deprotection can be effected with the same catalyst by refluxing in toluene, which undergoes electrophilic alkylation: Tetrahedron Lett., 37, 1965 (1996).

Misawa, T.; Dodo, K.; Ishikawa, M.; Hashimoto, Y.; Sagawa, M.; Kizaki, M.; Aoyama, H. Structure-activity relationships of benzhydrol derivatives based on 1'-acetoxychavicol acetate (ACA) and their inhibitory activities on multiple myeloma cell growth via inactivation of the NF-κB pathway. Bioorg. Med. Chem. 2015, 23 (9), 2241-2246.

Taskin, O. S.; Temel, B. A.; Tasdelen, M. A.; Yagci, Y. Synthesis of block copolymers by selective H-abstraction and radical coupling reactions using benzophenone/benzhydrol photoinitiating system. Eur. Polym. J. 2015, 62, 304-311.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H315-H319-H335-H303

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May be harmful if swallowed.

Indicaciones de precaución: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

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