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HomeProduct name list4-Nitrophenyl isocyanate

4-Nitrophenyl isocyanate

  • CAS NO.:100-28-7
  • Empirical Formula: C7H4N2O3
  • Molecular Weight: 164.12
  • MDL number: MFCD00007306
  • EINECS: 202-836-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-09 09:30:27
4-Nitrophenyl isocyanate Structural

What is 4-Nitrophenyl isocyanate?

Chemical properties

yellow crystalline solid

The Uses of 4-Nitrophenyl isocyanate

4-Nitrophenyl isocyanate is used as pharmaceutical intermediates. 4-Nitrophenyl isocyanate was used in the synthesis of 2-(5-methyl-3,4-diphenyl-1H-pyrrole-2-carbonyl)-N-(4-nitrophenyl)hydrazinecarboxamide.

Safety Profile

A poison by intraperitoneal route.Moderately toxic by ingestion. When heated todecomposition it emits toxic vapors of NOx.

Purification Methods

Distil the isocyanate in a vacuum, and/or recrystallise it from pet ether (b 28-38o), *C6H6/pet ether (m 58o) or CCl4 (m 56-57o). [Beilstein 12 H 725, 12 III 1630.]

Properties of 4-Nitrophenyl isocyanate

Melting point: 56-59 °C(lit.)
Boiling point: 137-138 °C11 mm Hg(lit.)
Density  1.5018 (rough estimate)
refractive index  1.5300 (estimate)
Flash point: >110°C
storage temp.  2-8°C
solubility  soluble in Benzene,Toluene
form  Crystalline Solid
color  Yellow
Water Solubility  Insoluble in water.
Sensitive  Moisture Sensitive
BRN  389516
CAS DataBase Reference 100-28-7(CAS DataBase Reference)
NIST Chemistry Reference Benzene, 1-isocyanato-4-nitro-(100-28-7)
EPA Substance Registry System p-Nitrophenyl isocyanate (100-28-7)

Safety information for 4-Nitrophenyl isocyanate

Signal word Danger
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
GHS Hazard Statements H315:Skin corrosion/irritation
H317:Sensitisation, Skin
H319:Serious eye damage/eye irritation
H334:Sensitisation, respiratory
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 4-Nitrophenyl isocyanate

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