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HomeProduct name list3,4-Diaminobenzoic acid

3,4-Diaminobenzoic acid

  • CAS NO.:619-05-6
  • Empirical Formula: C7H8N2O2
  • Molecular Weight: 152.15
  • MDL number: MFCD00007726
  • EINECS: 210-577-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-08 13:40:43
3,4-Diaminobenzoic acid Structural

What is 3,4-Diaminobenzoic acid?

Chemical properties

brown powder

The Uses of 3,4-Diaminobenzoic acid

3,4-Diaminobenzoic acid undergoes cyclocondensations to form, for example, quinoxalines1 and benzimidazoles. It acts as a redox label for electrochemical detection of single base mismatches.

Purification Methods

Crystallise it from H2O or toluene. [Beilstein 15 IV 1503.]

Properties of 3,4-Diaminobenzoic acid

Melting point: 208-210 °C (dec.) (lit.)
Boiling point: 274.61°C (rough estimate)
Density  1.2804 (rough estimate)
refractive index  1.5200 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
form  Powder
pka 5.02±0.10(Predicted)
color  Brown
Water Solubility  Soluble in water (2.2 mg/ml at 20°C), DMF, and methanol (10 mg/ml).
BRN  775892
CAS DataBase Reference 619-05-6(CAS DataBase Reference)

Safety information for 3,4-Diaminobenzoic acid

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
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.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for 3,4-Diaminobenzoic acid

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