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CAS RN: 57842-27-0 | Product Number: B1151

1,3-Benzodithiolylium Tetrafluoroborate [Hydroxyl-Protecting Agent]

Purity: >96.0%(T)
4   17  

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Product Number B1151
Purity / Analysis Method >96.0%(T)
Molecular Formula / Molecular Weight C__7H__5BF__4S__2 = 240.04  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive
CAS RN 57842-27-0
Reaxys Registry Number 3578697
PubChem Substance ID 87564092
SDBS (AIST Spectral DB) 50441
MDL Number


Appearance Orange to Brown to Dark purple powder to crystal
Purity(Neutralization titration) min. 96.0 %
Properties (reference)
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H302 : Harmful if swallowed.
H314 : Causes severe skin burns and eye damage.
Precautionary Statements P260 : Do not breathe dust or mist.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
Related Laws:
Transport Information:
UN Number UN1759
Class 8
Packing Group III
HS Number 2942000000
Protection of Hydroxy Groups

Cyclic orthoester functions as new protecting groups in nucleosides

M. Sekine, T. Hata, J. Am. Chem. Soc. 1983, 105, 2044.

Synthesis of 2'-O-(1,3-benzodithiol-2-yl)uridine and related compounds as key intermediates in oligoribonucleotide synthesis

M. Sekine, T. Hata, J. Org. Chem. 1983, 48, 3112.

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