Overview
Sodium hydroxymethylglycinate (CAS 70161-44-3 ) is a formaldehyde-releasing preservative used across personal care and industrial formulations. It controls microbial growth in water-based systems, extending shelf life and protecting product integrity.
In personal care, it preserves rinse-off and leave-on formulations including shampoos, conditioners, lotions, and liquid soaps. It is often used in combination with other preservatives to broaden the antimicrobial spectrum.
Water-based coatings and architectural paints rely on it as an in-can preservative to prevent bacterial and fungal contamination. This ensures stability during storage and application for various decorative and protective finishes.
Adhesive and sealant manufacturers incorporate it into water-borne systems where microbial degradation would otherwise compromise viscosity. Maintaining bond performance is critical for these industrial applications over time.
Its compatibility with a wide pH range also makes it a practical choice for preserving emulsified systems. This versatility is particularly valuable in the production of industrial cleaning products and detergents.
Sodium hydroxymethylglycinate is supplied as an aqueous solution, typically at concentrations around 50%. It is available in technical and cosmetic grades to meet specific purity requirements for different sectors.
Cosmetic-grade material meets the necessary standards for use in personal care formulations. Standard packaging includes drums and intermediate bulk containers suited to industrial procurement volumes and logistics.
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Physical Properties
| Density | 1.653[at 20℃] |
| Color | Colorless to light yellow |
| Form | Liquid |
| Water Solubility | 500g/L at 20℃ |
| Vapor Pressure | 0Pa at 25℃ |
| Log P | -1.533 at 26℃ |
Safety & Handling
Danger GHS07 GHS08 Hazard Statements H302 Harmful if swallowed H315 Causes skin irritation H317 May cause an allergic skin reaction H319 Causes serious eye irritation H332 Harmful if inhaled H335 May cause respiratory irritation H341 Suspected of causing genetic defects H350 May cause cancer Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P333+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 2922498590 |
Other Names
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Chemical Properties
- CAS Number
- 70161-44-3
- EC Number
- 274-357-8
- Mol. Weight
- 127.07
- HS Code
- 2922498590
- Category
- Salts & Minerals