Triisopropanolamine (TIPA):

PRODUCT IDENTIFICATION

CAS NO. : 122-20-3

EINECS NO. : 204-528-4

FORMULA :  [CH₃CH(OH)CH₂]₃N

MOL WT. : 191.27

H.S. CODE :  2922.19

TOXICITY : Oral rat LD50: 4730 mg/kg
SYNONYMS : Tris(2-hydroxypropyl)amine; 1,1′,1”-nitrilotri-2-propanol; Tris-(2-hydroxy-1-propyl)amine; 1,1′,1”-Nitrilotripropan-2-ol; Nitrilotris(2-propanol); 3,3′,3″-Nitrilotri(2-propanol); Tris(2-propanol)amine; Tri-2-propanolamine;
PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE : clear to light yellow crystals

MELTING POINT : 48 – 52 C

BOILING POINT : 305 C

SPECIFIC GRAVITY : 1.02

SOLUBILITY IN WATER : freely soluble

pH

VAPOR DENSITY : 6.60

AUTOIGNITION : 320 C

NFPA RATINGS : Health: 2 Flammability: 1 Reactivity: 0

REFRACTIVE INDEX
FLASH POINT : 160 C
STABILITY Stable under ordinary conditions
ESRIPTION AND APPLICATIONS

There are three isopropanolamines called mono, di and tri-propanolamine with formula with formula CH₃CH(OH)CH₂NH_2, CH₃CH(OH)CH₂]₂NH, and CH₃CH(OH)CH₂]₃N respectively. Monoisopropanolamine is a liquid at room temperature, while diisopropanolamine and triisopropanolamine are white solids. Isopropanolamine is a clear to yellow, corrossive, combustible liquid with a faint ammonia odor; boils at 159.9 C. It is soluble in water and very soluble in benzene and ether. Diisopropanolamine is a clear to yellow hygroscopic crystalline lumps; boils at 241 C, decomposes on heating producing toxic nitrogen oxides. It is a medium strong base and reacts violently with strong oxidants. It turns yellow when exposed to light and air. Diisopropanolamine and triisopropanolamine are commercially available in liquid grades contain deionized water typically 15%. These liquid grades should not be stored in the presence of aluminum due to the possibility of excessive corrosion and potential chemical reaction releasing flammable hydrogen gas at above 60 C. Isopropanolamines are used as an absorbent of acid gases in the refinery of natural gas and purification of ammonia. They are used as an emulsifying agent soluble in water and low alkalinity. They are used as a crosslinking catalyst in the production of polyurethanes. They are used as a component of insecticide, surfactants, rubber chemicals, corrosion inhibitors and pigment dispersants.

Isopropanolamines have applications in the field of:

• Gas-scrubber
  • Natural and refinery gas operations
  • Hydrogen sulfide (H₂S) and CO₂gas removal
• Textile Operation
  • Softeners
  • Lubricants
  • Dye Leveling Agents
  • Dispersants
  • Durable Press
  • Optical Brighteners
• Surfactants and  Metalworking fluids
  • Impart alkalinity
  • Detergents
  • Cosmetic formulations
  • Acid neutralization
  • Fatty acid soaps
  • Emulsifiers
  • Corrosion Inhibitors
• Others
  • Concrete grinding aid
  • Cement admixture
  • Urethane foams
  • Agricultural products
  • Photographic chemicals
  • Biocides
  • Oil well chemicals
  • Rubber vulcanization accelerators
  • Plasticizers
  • Pigment Dispersant
  • Cross-Linker for Coatings
  • Asphalt aggregatation

MONOISOPROPANOLAMINE (MIPA)

Formula : CH₃CH(OH)CH₂NH₂
MW : (75.11)
CAS RN : 78-96-6
Appearance : Clear liquid
Specific Gravity : 0.96
Freezing Point C : 3 – 4 C
Boiling point C : 159
Flash Point C : 73

DIISOPROPANOLAMINE (DIPA)

Formula : [CH₃CH(OH)CH₂]₂NH
MW : 133.19
CAS RN : 110-97-4
Appearance : clear to light yellow crystals
Specific Gravity : 1.015
Freezing Point C : 44 – 45 C
Boiling point C : 248 – 249
Flash Point C : 135

TRIISOPROPANOLAMINE (TIPA)

Formula : [CH₃CH(OH)CH₂]₃N
MW : 191.27
CAS RN : 122-20-3
Appearance : clear to light yellow crystals
Specific Gravity : 1.02
Freezing Point C : 48 – 52
Boiling point C : 305 C
Flash Point C : 160