3-Methyl-1-phenyl-1H-pyrazol-5-amine

  • 5-Methyl-2-phenyl-2H-pyrazol-3-ylamine
  • 3-Methyl-1-phenyl-5-pyrazolamine
Formula
C10H11N3
Structure
Description
tan crystalline powder

Registry Numbers and Inventories.
CAS
1131-18-6
EC (EINECS/ELINCS)
214-463-3
36/37/38
RTECS
UQ4990000
RTECS class
Drug
Beilstein/Gmelin
140666
Beilstein Reference
5-25-09-00466
Swiss Giftliste 1
G-8526
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C10H11N3
Formula mass
173.24
Melting point, °C
114 - 117
Boiling point, °C
333
Vapor pressure, mmHg
0.0001 (25 C)
Solubility in water
Slightly soluble
pKa/pKb
8.66 (pKb)
Heat of vaporization
57.6 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides.

Fire.
Flash Point,°C
155
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.
Health
2
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
3
Exposure effects
Irritant. Irritating to eyes, respiratory system and skin.
   Ingestion
May be harmful if swallowed.
   Inhalation
Material is irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
   Skin
Causes skin irritation. May be harmful if absorbed through the skin.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.