Molecular structure of 4-Ethoxybenzyltriphenylphosphonium bromide (CAS NO.82105-88-2) is:

Product Name: 4-Ethoxybenzyltriphenylphosphonium bromide
CAS Registry Number: 82105-88-2
Systematic Name: (4-Ethoxybenzyl)(triphenyl)phosphonium bromide
Molecular Formula: C₂₇H₂₆BrOP
Molecular Weight: 477.37
Melting Point: 214-215 °C(lit.)
Storage temp.: 0-6 °C
Product Categories: Phosphonium Compounds;Synthetic Organic Chemistry;Wittig & Horner-Emmons Reaction;Wittig Reaction;C-C Bond Formation;Olefination;Wittig Reagents
SMILES: [Br-].O(c1ccc(cc1)C[P+](c2ccccc2)(c3ccccc3)c4ccccc4)CC
InChI: InChI=1/C27H26OP.BrH/c1-2-28-24-20-18-23(19-21-24)22-29(25-12-6-3-7-13-25,26-14-8-4-9-15-26)27-16-10-5-11-17-27;/h3-21H,2,22H2,1H3;1H/q+1;/p-1 
InChIKey: MZBKKJRCQNVENM-REWHXWOFAM 
Std. InChI: InChI=1S/C27H26OP.BrH/c1-2-28-24-20-18-23(19-21-24)22-29(25-12-6-3-7-13-25,26-14-8-4-9-15-26)27-16-10-5-11-17-27;/h3-21H,2,22H2,1H3;1H/q+1;/p-1
Std. InChIKey: MZBKKJRCQNVENM-UHFFFAOYSA-M

Safty information about 4-Ethoxybenzyltriphenylphosphonium bromide (CAS NO.82105-88-2) is:
Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
F: 3

 4-Ethoxybenzyltriphenylphosphonium bromide , its cas register number is 82105-88-2. It also can be called Phosphonium,[(4-ethoxyphenyl)methyl]triphenyl-, bromide (1:1) .It is a white powder.