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CAS RN: 501-53-1 | Product Number: B3021

Benzyl Chloroformate


Purity: >96.0%(T)
Synonyms:
  • Chloroformic Acid Benzyl Ester
  • Carbobenzoxy Chloride
  • Cbz Chloride
  • Cbz-Cl
  • Z-Cl
  • Benzyloxycarbonyl Chloride
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Product Number B3021
Purity / Analysis Method >96.0%(T)
Molecular Formula / Molecular Weight C__8H__7ClO__2 = 170.59  
Physical State (20 deg.C) Liquid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive,Heat Sensitive
CAS RN 501-53-1
Reaxys Registry Number 509751
PubChem Substance ID 87560103
SDBS (AIST Spectral DB) 50783
Merck Index (14) 1801
MDL Number

MFCD00000640

Specifications
Appearance Colorless to Light yellow clear liquid
Purity(GC) min. 94.0 %
Purity(Argentmetric Titration) min. 96.0 %
Properties (reference)
Melting Point 0 °C
Boiling Point 103 °C/20 mmHg
Flash point 80 °C
Specific Gravity (20/20) 1.21
Refractive Index 1.52
Solubility in water Practically insoluble
Solubility (soluble in) Benzene,Toluene,Acetone,Chloroform,Ether
GHS
Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H330 : Fatal if inhaled.
H314 : Causes severe skin burns and eye damage.
H410 : Very toxic to aquatic life with long lasting effects.
H227 : Combustible liquid.
H290 : May be corrosive to metals.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P273 : Avoid release to the environment.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P234 : Keep only in original container.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P284 : Wear respiratory protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P390 : Absorb spillage to prevent material damage.
P391 : Collect spillage.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P363 : Wash contaminated clothing before reuse.
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.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
P403 + P235 : Store in a well-ventilated place. Keep cool.
P406 : Store in corrosive resistant container with a resistant inner liner.
P405 : Store locked up.
Related Laws:
RTECS# LQ5860000
Transport Information:
UN Number (DOT-AIR) UN1739
Class (DOT-AIR) 8
Packing Group (TCI-A) I
HS Number 2915.13.1000
Application
Selective Protection of Aromatic Amines
References

V. Perron, S. Abbott, N. Moreau, D. Lee, C. Penney, B. Zacharie, Synthesis 2009, 283.


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