Aminopropanediols and Hydroxyalkyl Amines for Specialty Synthesis
The presence of both amine and hydroxyl groups gives these compounds multifunctional reactivity. Depending on structure and process conditions, the amine group may participate in alkylation, acylation, salt formation or further derivatization, while the hydroxyl groups may support esterification, etherification, protection/deprotection or other downstream transformations.
This product group belongs to the broader family of amine derivatives for API synthesis and specialty chemical intermediates, alongside amino alcohols, tertiary amino alcohols, ether diamines, amino-PEG linkers and chloroalkylamine intermediates.
What Are Aminopropanediols and Hydroxyalkyl Amines?
Aminopropanediols are amine derivatives based on a propanediol structure, where amino functionality is introduced onto a three-carbon diol backbone. Examples include 3-amino-1,2-propanediol and 2-amino-1,3-propanediol. Although both contain amine and diol groups, their functional group arrangement may influence physical properties, reactivity and downstream process design.
Hydroxyalkyl amines are a broader class of amines containing one or more hydroxyl groups. In sourcing practice, aminopropanediols are often considered hydroxy-functional amine intermediates or amino diol intermediates because they provide both nucleophilic nitrogen and hydroxyl functionality in the same molecule.
From a practical procurement perspective, buyers usually evaluate these compounds according to assay, water content, related amines, residual solvents, appearance, physical state, hygroscopicity, packaging, storage conditions, dangerous goods classification and documentation availability.
Why These Intermediates Matter in Specialty Synthesis
The combination of amine and hydroxyl groups makes aminopropanediols useful in routes requiring sequential functionalization. The amine group can provide a reactive nitrogen center, while the hydroxyl groups may remain available for further modification or temporary protection depending on the synthesis route.
These intermediates may be used in API intermediate synthesis, fine chemical synthesis, specialty organic intermediates and other downstream chemical processes where multifunctional amine and diol structure is required. They are also relevant when polarity adjustment, hydrogen-bonding capability or salt formation behavior is important to the process.
For commercial sourcing, impurity profile, water content and batch-to-batch consistency are especially important. Residual amines, diol-related by-products, color change or moisture uptake may affect downstream performance, so specification confirmation should be completed before order confirmation.
Product Comparison Table
The following products represent common aminopropanediol and hydroxyalkyl amine structures used in specialty intermediate sourcing.
| Product | CAS No. | Structural Type | Typical Sourcing Focus | Product Page |
|---|---|---|---|---|
| 3-Amino-1,2-propanediol | 616-30-8 | Primary amino vicinal diol | Assay, water content, related amines, appearance, physical state | 3-Amino-1,2-propanediol CAS 616-30-8 |
| 3-Diethylamino-1,2-propanediol | 621-56-7 | N,N-diethyl substituted amino diol | Assay, residual solvents, color, related amine impurities, packaging | 3-Diethylamino-1,2-propanediol CAS 621-56-7 |
| 3-Methylamino-1,2-propanediol | 40137-22-2 | N-methyl substituted amino diol | Assay, water content, related amine impurities, color, storage | 3-Methylamino-1,2-propanediol CAS 40137-22-2 |
| 2-Amino-1,3-propanediol | 534-03-2 | Primary amino 1,3-diol | Assay, melting range, water content, appearance, storage stability | 2-Amino-1,3-propanediol CAS 534-03-2 |
Key Product Groups
Aminopropanediol Core Structures
This group includes 3-amino-1,2-propanediol and 2-amino-1,3-propanediol. These unsubstituted amino diols are selected when both primary amine and diol functionality are required in downstream synthesis. Their hydroxyl group arrangement and amino group position may influence reactivity, solubility, physical state and process compatibility.
Sourcing considerations typically include assay, water content, appearance, related impurities, physical state, storage conditions and documentation availability. Buyers should confirm whether the material is supplied as a liquid, solid, viscous material or other form according to supplier specification.
N-Substituted Aminopropanediols
N-substituted aminopropanediols include 3-methylamino-1,2-propanediol and 3-diethylamino-1,2-propanediol. These compounds introduce secondary or tertiary amine character while retaining hydroxyl functionality. They may be selected when a route requires modified basicity, different steric environment or N-substituted hydroxyalkyl amine structure.
Typical sourcing focus includes assay, water content, related amine impurities, residual solvents, color, odor, physical state, storage conditions and packaging compatibility. Specification confirmation is recommended before commercial inquiry or order placement.
Hydroxyalkyl Amines and Related Amino Alcohols
Aminopropanediols are closely related to broader amino alcohol chemistry. Compared with simpler amino alcohols, aminopropanediols contain additional hydroxyl functionality, which may provide more derivatization options in specialty synthesis.
Buyers requiring simpler hydroxy-functional amines may also review ethanolamine and amino alcohol derivatives as a related application segment. For structures involving tertiary amine functionality or sterically modified amine alcohols, tertiary amino alcohols and hindered amine bases may also be relevant.
Sourcing Considerations for Aminopropanediols and Hydroxyalkyl Amines
When sourcing aminopropanediols and hydroxyalkyl amines, buyers usually need to evaluate both technical specification and practical supply conditions. Products within this group may differ in physical state, hygroscopicity, color, storage requirements and transport classification.
Purity and assay: Confirm the required assay level and analytical method based on downstream process needs.
Water content: Moisture may affect reaction performance, storage stability or customer acceptance.
Related amines: Related amines or amino alcohol impurities may need to be reviewed depending on the product.
Residual solvents: Residual solvent control may be important for fine chemical and intermediate applications.
Color and appearance: Appearance requirements should be confirmed according to customer specification and intended use.
Physical state: Confirm whether the material is liquid, solid, viscous liquid, low-melting solid or solution.
Hygroscopicity and moisture sensitivity: Some hydroxy-functional amines may require moisture-protective packaging or tighter storage control.
Storage conditions: Storage should be reviewed according to SDS, supplier recommendation and product stability.
Packaging compatibility: Packaging should match product properties, order quantity and transport requirements.
Dangerous goods classification: Transport classification should be confirmed case by case according to the latest SDS and shipment route.
COA and SDS: COA and SDS may be available for confirmed products, subject to product and supplier confirmation.
Lead time: Availability may depend on production schedule, warehouse stock, batch release and inland transport.
Export documentation: Export documents, HS code reference and transport documents should be reviewed before shipment.
Batch consistency: Repeat-purchase projects may require stable specification, impurity profile and appearance.
Packaging and Logistics
Packaging for aminopropanediols and hydroxyalkyl amines should be selected according to physical state, hygroscopicity, hazard classification, supplier recommendation and order quantity. Liquid products may be supplied in suitable small bottles, small drums, 25 L drums, 200 L drums or other packaging formats depending on product properties and supplier confirmation.
Solid or low-melting products may be supplied in 25 kg fiber drums with double PE liner or other moisture-protective packaging where suitable. Some products may require sealed packaging, moisture protection, temperature consideration or special labeling depending on SDS and transport classification.
Sea, air, courier, LCL or FCL shipment options must be evaluated case by case. Some products may not be suitable for certain transport routes or small-volume courier shipment depending on dangerous goods classification, package size and destination requirements.
Common trade terms may include FOB China port, FCA warehouse, CFR/CIF destination port or DAP destination where applicable. Import clearance, local duties, taxes and destination compliance should be confirmed by the buyer or their appointed import agent.
Aminopropanediols and Hydroxyalkyl Amines Available from Aure Chemical
Based on the above application segment, Shandong Aure Chemical can support sourcing and supply coordination for selected aminopropanediols and hydroxyalkyl amines used in organic intermediate and specialty chemical synthesis. Related products include 3-amino-1,2-propanediol, 3-diethylamino-1,2-propanediol, 3-methylamino-1,2-propanediol and 2-amino-1,3-propanediol.
For suitable products, Aure Chemical can help review product name, CAS number, target specification, quantity, packaging requirement, destination and required documentation. Available support may include quotation, specification confirmation, COA/SDS coordination, packaging review and export logistics discussion.
Product availability, lead time, specification, packaging, documentation and shipment feasibility are subject to product and supplier confirmation. Buyers are encouraged to provide clear technical and commercial requirements before quotation.
Request Information or Quotation
To discuss aminopropanediol or hydroxyalkyl amine requirements, please provide the following information when sending an inquiry:
Product name and CAS number
Target purity, assay or specification
Required quantity for sample, trial order, batch order or annual consumption
Destination port or delivery address
Preferred trade term, such as FOB China port, FCA warehouse, CFR/CIF destination port or DAP destination where applicable
Preferred packaging or drum size
Required documents, such as COA, SDS, TDS, product overview or supplier questionnaire
Expected purchase schedule or project timeline
Contact Aure Chemical for Aminopropanediols and Hydroxyalkyl Amines

