2-Amino-2-methyl-1,3-propanediol
CAS 115-69-5
EC 204-100-7
Formula C4H11NO2
MW 105.14 g/mol
Alcohols & Glycols Personal Care & CosmeticsPharmaceuticals & HealthcareCoatings, Adhesives, Sealants & Elastomers pH Regulation & BufferingHumectant & MoisturizingPreservation & Biocide
Description
2-Amino-2-methyl-1,3-propanediol (CAS 115-69-5) is an amino alcohol commonly known under trade names Amediol and Ammediol, with the abbreviation AMPD also in use. It carries no assigned E-code and is classified under HS code 29221980. The molecular formula is C4H11NO2.
In personal care formulations, it functions as a pH buffer and neutralising agent for carbomer gels, maintaining target pH ranges without introducing sodium or potassium ions. In coatings and adhesives, it acts as a crosslinking co-reactant and corrosion inhibitor, while its antimicrobial activity contributes to preservation in aqueous systems.
The material is supplied as a crystalline powder meeting REACH registration requirements for the European market. Pharmaceutical-grade material is available in compliance with Ph.Eur. specifications, and FCC-grade is offered for applicable applications. Standard packaging includes 25 kg bags and fibreboard drums, with bulk options on request.
In personal care formulations, it functions as a pH buffer and neutralising agent for carbomer gels, maintaining target pH ranges without introducing sodium or potassium ions. In coatings and adhesives, it acts as a crosslinking co-reactant and corrosion inhibitor, while its antimicrobial activity contributes to preservation in aqueous systems.
The material is supplied as a crystalline powder meeting REACH registration requirements for the European market. Pharmaceutical-grade material is available in compliance with Ph.Eur. specifications, and FCC-grade is offered for applicable applications. Standard packaging includes 25 kg bags and fibreboard drums, with bulk options on request.
Physical Properties
| Melting Point | 110 °C |
| Boiling Point | 143-145 °C @ Press: 10 Torr |
| Density | 1.0509 (estimate) |
| Flash Point | >100°C |
| Appearance | white powder |
| Color | White |
| Form | Crystalline Powder |
| Water Solubility | 2500 g/L (20 ºC) |
| Vapor Pressure | ~10 mm Hg ( 152 °C) |
| Refractive Index | 1.4754 (estimate) |
| pH | 10.0-12.0 (20℃, 0.5M in H2O) |
| Log P | -1.31 at 22℃ |
Safety & Handling (Learn More)
Danger GHS05 GHS07
H
H315H318H319H335
P
P261P264P271P280P317P319P321P405P501P264+P265P302+P352P304+P340P332+P317P337+P317P362+P364P403+P233P305+P351+P338P305+P354+P338
Trade & Regulatory
| HS Code | 29221980 |
| UN Number | 3259 |
| ADR Class | 8 |
| Packing Group | II |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 1 |
Other Names
2-amino-2-methylpropane-1,3-diolisobutandiol-2-amineAminomethyl PropanediolAMPDAmediolAmmediolAminoglycolTIMTEC-BB SBB004360
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