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4-Nitrobenzyl chloroformate_Molecular_structure_CAS_4457-32-3)
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4-Nitrobenzyl chloroformate

Catalog No. 23230 Name Sigma Aldrich
CAS Number 4457-32-3 Website http://www.sigmaaldrich.com
M. F. C8H6ClNO4 Telephone 1-800-521-8956
M. W. 215.59054 Fax
Purity ≥97.0% (AT) Email
Storage Chembase ID: 89779

SYNONYMS

Title
对硝基氯甲酸苄酯
IUPAC name
(4-nitrophenyl)methyl chloroformate
IUPAC Traditional name
(4-nitrophenyl)methyl chloroformate

DATABASE IDS

CAS Number 4457-32-3
PubChem SID 24853892
MDL Number MFCD00007375
EC Number 224-708-6
Beilstein Number 912446

PROPERTIES

Grade purum
Linear Formula ClCO2CH2C6H4NO2
Purity ≥97.0% (AT)
Flash Point 113 °C
Flash Point 235.4 °F
Melting Point 32-34 °C(lit.)
GHS Pictograms GHS05
GHS Signal Word Danger
GHS Hazard statements H314
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 3261 8/PG 2
Risk Statements 34-37
Safety Statements 26-36/37/39-45
Storage Temperature 2-8°C
Hazard Class 8
UN Number 3261
Packing Group 2
German water hazard class 3

DETAILS

Description (English)
Other Notes
Protecting group reagent; 4-nitro-Z derivatives are more readily cleaved by hydrogenolysis and are more stable to acid than the Z-protection1,2; Protection of alcohols3
Description (简体中文)
Other Notes
基团保护试剂;4-硝基-Z 衍生物更易于发生氢解,并且对酸的稳定性比 Z-保护更好1,2;保护醇3

REFERENCES