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HomeProduct name list4-Nitrophenylacetic acid

4-Nitrophenylacetic acid

  • CAS NO.:104-03-0
  • Empirical Formula: C8H7NO4
  • Molecular Weight: 181.15
  • MDL number: MFCD00007383
  • EINECS: 203-168-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:07:02
4-Nitrophenylacetic acid Structural

What is 4-Nitrophenylacetic acid?

Chemical properties

Beige to yellow crystalline powder
4-Nitrophenylacetic acid is a member of the class of phenylacetic acids that is phenylacetic acid in which the phenyl grup is substituted at the para- position by a nitro group.

The Uses of 4-Nitrophenylacetic acid

Intermediate for dyestuffs, pharmaceuticals, penicillin precursors, local anesthetics.

The Uses of 4-Nitrophenylacetic acid

(4-Nitrophenyl)acetic Acid used in the synthesis of 5,7-dimethyl-2-aryl-3H-pyrrolizin-3-ones which may act as angiogenesis inhibitors. Also used in the one step construction of amino-substituted squaraine dye.

Definition

ChEBI: A monocarboxylic acid that is phenylacetic acid carrying a nitro substituent at position 4.

Safety Profile

Moderately toxic intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic vapors of NOx.

Purification Methods

Crystallise the acid from EtOH/water (1:1), then from sodium-dried diethyl ether and dry it over P2O5 in vacuo. The styphnate has m 196.5-197o (prisms from EtOH). The amide has m 191o (from EtOH). [Beilstein 9 III 2284, 9 IV 1698.]

Properties of 4-Nitrophenylacetic acid

Melting point: 150-155 °C(lit.)
Boiling point: 314.24°C (rough estimate)
Density  1.4283 (rough estimate)
refractive index  1.5468 (estimate)
storage temp.  Sealed in dry,Room Temperature
form  Crystalline Powder
pka 3.85(at 25℃)
color  Beige to yellow
PH 2.98 at 22.8℃ and 10g/L
Water Solubility  slightly soluble
Merck  14,6621
BRN  1911801
CAS DataBase Reference 104-03-0(CAS DataBase Reference)
EPA Substance Registry System 4-Nitrophenylacetic acid (104-03-0)

Safety information for 4-Nitrophenylacetic acid

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Environment
GHS09
GHS Hazard Statements H318:Serious eye damage/eye irritation
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P391:Collect spillage. Hazardous to the aquatic environment
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P501:Dispose of contents/container to..…

Computed Descriptors for 4-Nitrophenylacetic acid

InChIKey YBADLXQNJCMBKR-UHFFFAOYSA-N

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