(±)-1-Amino-2-propanol

Description

(±)-1-Amino-2-propanol is identified by CAS 78-96-6, molecular formula C3H9NO and molecular weight 75.07 g/mol. UNII UE40BY1BZW; ChEBI 19030; InChIKey HXKKHQJGJAFBHI-UHFFFAOYSA-N. Boiling Point: 313 to 316 °F at 758 mmHg (NTP, 1992); Boiling Point: 159.46 °C @ 760 MM HG; Boiling Point: 160.00 to 161.00 °C. @ 760.00 mm Hg.

Identification

CAS Registry Number	78-96-6
PubChem CID	4
Molecular formula	C3H9NO
Molecular weight	75.07 g/mol
IUPAC name	1-aminopropan-2-ol
InChIKey	HXKKHQJGJAFBHI-UHFFFAOYSA-N
UNII (FDA)	UE40BY1BZW
ChEBI ID	CHEBI:19030
FEMA number	3965
JECFA number	1591

Computed Descriptors

Molecular Weight	75.11
XLogP3	-1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	75.068413911
Monoisotopic Mass	75.068413911
Topological Polar Surface Area	46.3
Heavy Atom Count	5
Formal Charge	0

Physical & Chemical Properties

Boiling Point	313 to 316 °F at 758 mmHg (NTP, 1992)
Boiling Point	159.46 °C @ 760 MM HG
Boiling Point	160.00 to 161.00 °C. @ 760.00 mm Hg
Boiling Point	159.5 °C
Boiling Point	160 °C
Boiling Point	313-316 °F
Melting Point	34.5 °F (NTP, 1992)
Melting Point	1.74 °C
Melting Point	24.00 to 26.00 °C. @ 760.00 mm Hg
Melting Point	1 °C

Physical description & handling notes

• Monoisopropanolamine appears as a colorless liquid with a slight ammonia-like odor. Less dense than water and soluble in water. Flash point 165 °F. Corrosive to metals and tissue. Vapors are heavier than air. Produces toxic oxides of nitrogen during combustion. Used in plastics, paints, cutting oils, and specialized cleaning compounds.
• Liquid; Other Solid
• Colorless liquid; [ICSC] Mild odor of ammonia; [HSDB] Light yellow liquid with an ammonia-like odor; [MSDSonline]
• Solid
• COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.
• Colourless to faint yellow liquid; Fishy aroma

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: FLAVORING AGENT OR ADJUVANT FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS FLAVOURING_AGENT: Flavouring Agent Flavoring Agents
GHS notification summary	0.1% (1 / 3123)

GHS Hazard Classification

GHS notification summary	0.1% (1 / 3123)
Reported hazard statements	H314, H312 (83.7%), H318 (87.5%), H402, H302

Documented Uses

• CIR ingredient: Isopropanolamine
• Used as an emulsifying agent and in dry cleaning soaps, soluble textile oils, wax removers, metal-cutting oils, cosmetics, emulsion paints, plasticizers, and insecticides; [Hawley] Used as a flavoring agent; [WHO]
• Metal Machining [Category: Heat or Machine]
• Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Emulsifying agent, drycleaning soaps, soluble textile oils, wax removers, metal cutting oils, cosmetics, emulsion paints, plasticizers, insecticides.

Synonyms

1-Aminopropan-2-ol; 1-AMINO-2-PROPANOL; Isopropanolamine; Threamine; Monoisopropanolamine; DL-1-Amino-2-propanol; 2-Hydroxypropylamine; 2-Propanol, 1-amino-; 1-Methyl-2-aminoethanol; 2-Amino-1-methylethanol; 2-Hydroxypropanamine; 1-Amino-2-hydroxypropane; 2-Hydroxy-1-propylamine; alpha-Aminoisopropyl alcohol; Mono-iso-propanolamine; CCRIS 2284

Frequently Asked Questions

What are the CAS number and molecular formula of (±)-1-Amino-2-propanol?

CAS 78-96-6; molecular formula C3H9NO; molecular weight 75.07 g/mol.

What other names is (±)-1-Amino-2-propanol known by?

1-Aminopropan-2-ol, 1-AMINO-2-PROPANOL, Isopropanolamine, Threamine, Monoisopropanolamine, DL-1-Amino-2-propanol.

What is the regulatory status of (±)-1-Amino-2-propanol?

Documented regulatory listings: FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is (±)-1-Amino-2-propanol classified as hazardous?

0.1% of GHS notifications report no hazard classification (1 of 3123).

What are the key physical properties of (±)-1-Amino-2-propanol?

Boiling Point: 313 to 316 °F at 758 mmHg (NTP, 1992); Boiling Point: 159.46 °C @ 760 MM HG; Boiling Point: 160.00 to 161.00 °C. @ 760.00 mm Hg; Boiling Point: 159.5 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.